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Zemax

Ansys Zemax OpticStudio, commonly referred to as Zemax, is a leading optical design and analysis software package used for simulating, optimizing, and tolerancing complex optical systems, including both imaging lenses and illumination setups.^[1] Originally developed as Zemax by Zemax, LLC, the software was the first optical design program specifically written for Microsoft Windows and has become an industry standard for engineers and researchers in optics and photonics.^[2] Founded in 1991 in Kirkland, Washington, Zemax, LLC focused on providing tools for ray tracing, physical optics propagation, and stray light analysis to accelerate product development in fields like consumer electronics and medical devices.^[3] In 2021, Ansys acquired Zemax, integrating it into its multiphysics simulation portfolio to enhance capabilities for combined optical, structural, and thermal analyses.^[4] The software supports sequential and non-sequential modes for modeling light propagation, enabling users to design systems ranging from simple lenses to advanced freeform optics.^[1] Key features include automated optimization algorithms, tolerance sensitivity analysis for manufacturing feasibility, and integration with CAD tools for dynamic linkups between optical and mechanical designs in Premium and Enterprise editions.^[1] It also offers multiphysics workflows, such as Structural-Thermal-Optical-Performance (STOP) analysis, to predict how environmental factors affect system performance.^[5] Available in Pro, Premium, and Enterprise versions, OpticStudio runs exclusively on Windows and supports API extensions for custom scripting and automation.^[1] Zemax OpticStudio finds applications across diverse industries, including automotive (for LiDAR and sensor systems), aerospace (for satellite optics), biomedical (for endoscopes and imaging devices), and consumer tech (for AR/VR displays and camera modules).^[1] Its illumination design tools are particularly valued for LED systems, projectors, and solar concentrators, while recent updates as of 2025 include enhanced metalens modeling and export capabilities to Ansys Speos for further simulation.^[1] With a global user base spanning thousands of professionals, the software continues to evolve through Ansys's ecosystem, emphasizing rapid prototyping and performance validation in optical engineering.^[6]

Overview

Introduction

Zemax is a comprehensive software suite developed for the design, analysis, and optimization of optical, illumination, and laser systems, widely utilized in engineering and scientific applications to model complex light interactions.^[1] Its core purpose centers on enabling the simulation, optimization, and tolerancing of both imaging and non-imaging optical systems, allowing engineers to predict and refine system performance before physical prototyping.^[2] This capability supports diverse applications, from precision lenses in consumer electronics to advanced laser beam delivery in industrial settings, enhancing efficiency in modern optical engineering workflows.^[1] At its technical foundation, Zemax employs ray-tracing methods to simulate light propagation, including sequential ray tracing for ordered analysis of imaging systems like lenses and telescopes, where rays follow predefined paths through surfaces.^[7] Complementing this is non-sequential ray tracing, which models realistic scenarios such as scattering, stray light, and reflections in illumination or stray-light-sensitive designs, accommodating unordered ray paths and interactions with complex geometries.^[7] These algorithms provide a robust framework for tolerancing manufacturing variations and optimizing system parameters, ensuring high-fidelity predictions of optical behavior.^[1] As of 2025, Zemax's primary product has been rebranded as Ansys Zemax OpticStudio, reflecting its integration into broader simulation ecosystems following Ansys's acquisition of Zemax in 2021 and subsequent acquisition of Ansys by Synopsys, completed on July 17, 2025.^[8] As of late 2025, under Synopsys ownership, the software continues to evolve as a cornerstone tool for optical system development across industries including aerospace, medical devices, and photonics.^[1]

Company Profile

Zemax, LLC is headquartered in Kirkland, Washington, USA.^[9] The company employs between 51 and 200 people, with a global presence supported by offices in the United Kingdom, Japan, Taiwan, and China.^[9]^[10] Founded in 1991 by Dr. Kenneth E. Moore, a Ph.D. graduate from the University of Arizona's College of Optical Sciences, Zemax has evolved under various leadership structures.^[11]^[12] Dr. Moore served as Chief Technology Officer and technical fellow, contributing to the core development of its optical design software.^[13] Following acquisitions, executives such as S. Subbiah held the CEO role prior to deeper integration.^[14] Zemax operates on a subscription-based licensing model for its software products, offering terms from six months to three years with volume discounts for multiple users.^[15] The company also provides professional services, including training, support, and optical engineering consulting through its integrated structure.^[16] In July 2025, following Synopsys' acquisition of Ansys, Zemax became part of Synopsys. In October 2025, Synopsys divested its Optical Solutions Group to Keysight Technologies,^[17] positioning Zemax as a key component in Synopsys' photonics simulation and system design portfolio.^[8]^[18] This structure enhances Zemax's focus on advanced optical and illumination solutions across industries like aerospace and automotive.

Historical Development

Founding and Initial Products

Zemax was founded in 1991 by Dr. Kenneth E. Moore, who earned his Ph.D. in optical sciences from the University of Arizona's College of Optical Sciences in 1991.^[11]^[12] Moore developed the core technology during his academic work, focusing on tools for optical system simulation, before establishing the company to bring these capabilities to a broader audience.^[19] Initially operating under the name Focus Software, the company rebranded to Zemax Development Corporation in 1998 due to trademark considerations.^[20] This rebranding coincided with growing recognition of the software's value in professional settings, reflecting Moore's vision to provide accessible optical design solutions beyond academic circles.^[21] The flagship product, Zemax optical design software, was the company's first offering, commercializing sequential ray-tracing algorithms that Moore had originally created for academic research on imaging systems.^[21] Early versions emphasized classical lens design, enabling users to model light propagation through optical elements with high accuracy.^[19] In the 1990s, Zemax introduced key innovations, including a user-friendly graphical interface tailored for lens design and rudimentary optimization routines that automated merit function minimization for improved system performance.^[22] Notably, it became the first optical design program natively developed for Microsoft Windows, lowering barriers to entry compared to prior DOS-based or mainframe tools.^[20] These features prioritized ease of use, allowing non-experts to perform ray tracing and analysis without extensive programming knowledge.^[23] From its inception, Zemax targeted optical engineers in academic institutions and small engineering firms, providing cost-effective tools for imaging system analysis in research and prototyping.^[21] This focus addressed the need for affordable, intuitive software in environments where budget constraints limited access to high-end commercial alternatives.^[22]

Expansion and Mergers

In 2011, Zemax Development Corporation merged with Radiant Imaging, Inc., a provider of imaging colorimetry and illumination design software, to form Radiant Zemax, LLC.^[24]^[25] This strategic merger, facilitated by private equity firm Evergreen Pacific Partners, combined Zemax's sequential ray-tracing expertise with Radiant's non-sequential capabilities, enabling enhanced simulation of illumination systems and stray light effects.^[26]^[27] The integration expanded Zemax's portfolio to include advanced source modeling tools, which were incorporated into subsequent software releases starting with version 12 in 2012, allowing users to model complex light sources and perform detailed stray light analysis for applications in lighting and display design.^[28] The merger supported Zemax's growth by providing capital for research and development, as well as international sales expansion, under Evergreen's backing.^[29]^[30] This period marked a shift toward broader market penetration, with the combined entity targeting opportunities in optics beyond traditional lens design, including enhanced tools for tolerancing and optimization released in OpticStudio version 14 in 2014.^[31] By the mid-2010s, Radiant Zemax had established leadership in optical and illumination software, culminating in the 2014 divestiture of the Zemax division to Arlington Capital Partners, which refocused the standalone Zemax on core optical design while retaining merger-driven innovations.^[32]^[33]

Acquisitions and Ownership Changes

In June 2018, Arlington Capital Partners sold Zemax to EQT Private Equity.^[34] On August 30, 2021, Ansys announced its acquisition of Zemax from EQT Private Equity for $411.5 million in cash, aiming to enhance its multiphysics simulation portfolio by integrating Zemax's optical design software with Ansys' broader engineering tools.^[35] The deal closed in October 2021, enabling seamless workflows for optical systems within Ansys' simulation ecosystem, such as combining ray tracing with structural and thermal analyses.^[4] Following the acquisition, Zemax underwent rebranding in 2022, with its flagship product OpticStudio renamed Ansys Zemax OpticStudio to reflect its alignment with Ansys' suite.^[36] This shift improved interoperability, particularly with Ansys Workbench, allowing users to couple optical simulations directly with mechanical, fluid, and electromagnetic models for more comprehensive system-level designs.^[1] On July 17, 2025, Synopsys completed its $35 billion acquisition of Ansys, announced in January 2024, after receiving regulatory approvals including from China.^[8] This placed Zemax under Synopsys' expanded portfolio, integrating it with the company's electronic design automation (EDA) capabilities while retaining Ansys' optical tools like Zemax amid divestitures of Synopsys' legacy optical assets.^[37] Post-acquisition restructuring included a planned 10% workforce reduction across Synopsys, announced on November 12, 2025, primarily targeting fiscal year 2026 to streamline operations following the merger.^[38] For regulatory compliance, Synopsys divested its original Optical Solutions Group—encompassing tools like Code V and LucidShape—to Keysight Technologies, with the transaction closing on October 17, 2025; Ansys' optics division, including Zemax, was retained to avoid antitrust concerns in photonic design markets.^[39] The ownership change has driven strategic shifts toward AI-enhanced optical design and deeper synergies between Zemax OpticStudio and Synopsys' EDA tools, particularly for semiconductor photonics, as demonstrated in September 2025 collaborations with TSMC for AI-assisted workflows in advanced node technologies like COUPE architecture.^[40] This integration supports faster optimization of photonic integrated circuits, leveraging Zemax's ray-tracing capabilities alongside Synopsys' circuit simulation for high-speed data and AI computing applications.^[41]

Product Offerings

Ansys Zemax OpticStudio

Ansys Zemax OpticStudio, originally developed as Zemax software, evolved into its current form following the 2021 acquisition of Zemax LLC by Ansys, which rebranded the flagship product as Ansys Zemax OpticStudio to integrate it within the broader Ansys simulation portfolio.^[4] In July 2025, Synopsys completed its acquisition of Ansys, incorporating OpticStudio into its ecosystem while retaining the Ansys branding for continuity in optical design workflows.^[8] To secure regulatory approval, Synopsys divested its Optical Solutions Group, including Code V, to Keysight Technologies in October 2025.^[17] The software operates exclusively on 64-bit Windows operating systems, supporting versions from Windows 10 onward, with recommendations for 8 to 32 CPU cores, 16 to 64 GB of RAM (allocating 1-2 GB per core), and at least 10 GB of disk space for optimal performance.^[42] It leverages GPU acceleration via NVIDIA or AMD cards compliant with DirectX 12 or higher, significantly speeding up ray tracing simulations for complex systems.^[42] File formats include the legacy .ZMX for backward compatibility and the current default .ZMX format, which encapsulates lens data, merit functions, and associated files in a single archive to streamline project management.^[43] The user interface is toolbar-driven, providing intuitive access to core functions through ribbon-style menus and contextual editors, with dedicated modes for sequential ray tracing—ideal for imaging optics—and non-sequential mode for handling stray light, scatters, and freeform systems.^[7] A key component is the Merit Function Editor, which allows users to define optimization criteria by constructing operands for variables like surface curvatures and thicknesses, facilitating precise system tuning.^[44] Visualizations such as 3D layouts and ray fan plots are integrated directly into the workspace for real-time feedback. The typical workflow begins with system setup in the Lens Data Editor, where users define surfaces (e.g., spherical, aspheric, or diffractive), apertures (such as entrance pupil or floating), and wavelengths to model the optical prescription.^[45] This progresses to simulation via ray tracing analyses, including spot diagrams and modulation transfer function evaluations, followed by optimization using the merit function to iterate designs.^[1] Final steps involve tolerancing for manufacturability and exporting the geometry to CAD formats like STEP or IGES for integration into mechanical assemblies.^[46] OpticStudio includes extensive built-in data libraries, such as the Glass Catalog with hundreds of glasses from more than 30 vendors including Schott and Ohara, providing refractive index and dispersion data for precise material selection.^[47]^[48] Additional catalogs cover mirrors, coatings, sources (e.g., LEDs and lasers), and stock lens designs from manufacturers like Edmund Optics, enabling rapid prototyping without external data imports.^[47] These resources are updated periodically to reflect new material advancements, ensuring compatibility with emerging optical technologies.^[48]

Editions and Licensing

Ansys Zemax OpticStudio is available in three main editions: Pro, Premium, and Enterprise, each tailored to different levels of optical design complexity. The Pro edition provides core capabilities including sequential and non-sequential ray tracing, optimization, and tolerancing, suitable for basic imaging system design.^[1] The Premium edition builds on Pro features by adding advanced tools such as user-defined plugins, dynamic CAD integrations with software like Creo and Inventor, and enhanced illumination analysis, enabling more sophisticated workflows for complex systems.^[49] The Enterprise edition includes all Premium functionalities plus multiphysics integration, such as structural-thermal-optical-performance (STOP) analysis and exports to Ansys Speos, supporting comprehensive simulations involving thermal and structural loads.^[1] Licensing for OpticStudio transitioned from perpetual models to primarily annual subscriptions following Ansys's acquisition of Zemax, though legacy perpetual licenses remain supported for existing users. Subscription licenses, starting at approximately $5,000 per user annually depending on the edition, provide access to ongoing updates and new features, with options for single-user or network deployment.^[50] Academic institutions benefit from discounted research and teaching licenses, as well as a free student version offering limited but hands-on access to core design tools. Following Synopsys's acquisition of Ansys in July 2025, OpticStudio editions, particularly Enterprise, are increasingly bundled within broader Synopsys multiphysics simulation suites to facilitate integrated workflows across optical, electronic, and mechanical domains. Support is provided through the Ansys Customer Portal, offering basic email and knowledge base access for all users, while premium tiers under Technical Enhancements and Customer Support (TECS) include priority response, customized training, and development of user-specific macros for advanced applications.^[51] Evaluation is facilitated by a 30-day free trial, granting full access to all editions with sample files to explore the software's capabilities.^[52]

Features and Capabilities

Optical Design Tools

OpticStudio's sequential ray tracing mode enables the modeling of optical systems where light propagates through a predefined sequence of surfaces, such as lenses and mirrors, from the object surface to the image plane.^[53] In this approach, rays are traced in order, hitting each surface exactly once, supporting both paraxial approximations for initial design and real-ray propagation for accurate simulations of aberrations and higher-order effects.^[23] Surface parameters, including thickness and curvature, can be constrained using various solve types to enforce design constraints like fixed focal lengths or mechanical apertures during modeling.^[54] Non-sequential ray tracing in OpticStudio provides flexibility for complex systems where light paths do not follow a strict order, such as those involving scattering, reflections off multiple components, or non-imaging optics.^[55] This mode treats the optical system as a collection of objects in 3D space, allowing rays to interact with gratings, freeform surfaces, and scatterers without predefined sequencing, which is essential for analyzing stray light and illumination uniformity.^[56] Rays can split, absorb, or transmit based on material properties and surface interactions, enabling realistic simulations of phenomena like diffraction from gratings or diffuse scattering.^[57] Surface modeling tools in OpticStudio support advanced geometries beyond spherical lenses, including aspheric surfaces defined by conic constants and higher-order polynomials to reduce aberrations in compact designs.^[58] Diffractive optics are modeled using phase profiles, distinguishing between kinoform designs for continuous phase modulation and binary optics for discrete steps, allowing precise control of diffraction orders and efficiency.^[59] Gradient index (GRIN) materials are implemented via the Gradient 4 surface type, which accommodates radial, axial, or spherical index variations, often used to simulate thermal effects or engineered media with linear or quadratic index profiles.^[60]^[61] Source definition in OpticStudio allows users to specify illumination conditions through point sources for idealized laser-like beams, extended sources for realistic spatial distributions like LEDs, and wavelength spectra based on measured data or tristimulus values to replicate polychromatic light.^[62] Up to 100 wavelengths can be defined per configuration, with weights to simulate spectral power distributions, enabling accurate color rendering and broadband analysis.^[23] A foundational aspect of sequential modeling is the paraxial ray transfer matrix, which approximates ray propagation through thin lenses and free space under small-angle assumptions. The matrix for a thin lens followed by propagation over distance d in medium index n is given by:

\begin{pmatrix} y' \\ \alpha' \end{pmatrix} = \begin{pmatrix} 1 & d/n \\ 0 & 1 \end{pmatrix} \begin{pmatrix} 1 & 0 \\ -1/f & 1 \end{pmatrix} \begin{pmatrix} y \\ \alpha \end{pmatrix}

Here, y and y' represent the ray height before and after the system, \alpha and \alpha' the paraxial angles with the optical axis, d the propagation distance, n the refractive index, and f the focal length of the lens.^[63] This formulation underpins OpticStudio's paraxial calculations for system matrix determination and initial optimization setups.^[64]

Analysis and Optimization

Ansys Zemax OpticStudio employs merit function optimization to refine optical designs by minimizing a scalar value that quantifies deviations from performance targets. The merit function consists of operands, which are default or user-defined metrics such as RMS spot radius or wavefront error, each contributing to the overall optimization goal. Users can define custom operands using the Zemax Programming Language (ZPL) macros integrated into the Merit Function Editor, allowing tailored evaluation of system performance. The primary algorithm for local optimization is the damped least-squares (DLS) method, which iteratively adjusts design variables to reduce the merit function value toward zero.^[65]^[66]^[23] The merit function is mathematically formulated as the minimization of \Phi = \sum w_i (O_i - T_i)^2, where w_i represents the weight assigned to each operand, O_i is the observed value from the current design, and T_i is the target value. This least-squares approach approximates the error surface and solves for variable adjustments through Jacobian matrix computations in each iteration, enabling efficient convergence for sequential and non-sequential systems. An alternative orthogonal descent (OD) algorithm is available for cases where DLS encounters local minima, but DLS remains the default for its balance of speed and robustness.^[23]^[67]^[66] Tolerance analysis in OpticStudio evaluates system robustness against manufacturing variations, supporting both sensitivity analysis and Monte Carlo simulations. Sensitivity analysis identifies the impact of individual parameters, such as lens thickness or surface decenter, on key criteria like focal length or image quality, using partial derivatives to rank sensitivities. Monte Carlo simulations generate statistical distributions by applying random combinations of tolerances to all parameters simultaneously, providing probabilistic predictions of as-built performance, such as yield rates or worst-case deviations. These methods adhere to nesting rules for operand evaluation, ensuring comprehensive assessment without excessive computation.^[68]^[69]^[70] Performance metrics in OpticStudio include modulation transfer function (MTF), encircled energy, and distortion calculations, which quantify image quality and system fidelity. MTF assesses contrast transfer across spatial frequencies using methods like Fraunhofer (FFT-based), geometric, or Huygens wavefront propagation, aiding in aberration evaluation. Encircled energy measures the fraction of incident energy within a specified radius on the image plane, applicable to both point and extended sources for illumination and imaging assessments. Distortion calculations evaluate radial and tangential deviations, supporting optimization for minimal geometric aberrations. Additionally, built-in STOP (Stray light, Thermal, Opto-mechanical, Predictability) analysis integrates these effects for holistic system evaluation.^[71]^[72]^[73] In the 2025 R1 release, OpticStudio introduced the NSC Sequence Selector as an advanced feature for non-sequential component (NSC) path optimization, enabling persistent filtering and streamlined editing of ray paths in complex assemblies. This tool enhances merit function operands by facilitating targeted optimization of specific sequences, reducing setup time for multi-path systems like illuminators or freeform optics. Combined with DLS, it supports efficient refinement of non-sequential designs, building on ray tracing foundations for accurate performance prediction.^[1]^[74]

Integration and Extensions

OpticStudio supports seamless CAD interoperability, enabling the import and export of optical designs with popular mechanical CAD software. The Dynamic CAD link facilitates bidirectional data exchange with tools such as SolidWorks, Creo Parametric, and Autodesk Inventor, allowing users to load CAD assemblies directly into OpticStudio as single objects or exploded files for optical analysis and modification.^[75] Additionally, standard formats like STEP, IGES, STL, and SAT are supported for importing CAD objects, ensuring compatibility with a wide range of design workflows.^[76] For multiphysics simulations, OpticStudio integrates with Ansys Mechanical through the STAR (Structural, Thermal, Analysis, and Reporting) module, which couples thermal and structural analyses with optical performance to evaluate effects like deformation and stress on imaging quality.^[77] This workflow streamlines STOP (Structural-Thermal-Optical-Performance) analysis by exporting mechanical data from Ansys Mechanical back into OpticStudio for ray tracing and optimization.^[78] Following the 2025 Synopsys acquisition of Ansys, OpticStudio maintains enhanced interoperability with Lumerical tools for finite-difference time-domain (FDTD) simulations, including plugins like the Sub-Wavelength Model for grating data exchange and dynamic workflows with the RCWA solver to bridge macro- and nano-scale optics.^[79]^[80] Programming extensions in OpticStudio allow customization and automation of design tasks. The Zemax Programming Language (ZPL) enables users to create macros for repetitive operations, such as custom analysis routines or optimization sequences, directly within the software environment.^[81] For more advanced scripting, the ZOS-API supports integration with external languages like Python and MATLAB, permitting programmatic control of OpticStudio features, data extraction, and batch processing from standalone applications.^[82]^[83] Hardware acceleration in OpticStudio leverages GPU resources primarily for visualization and data rendering tasks, such as 3D shaded models, while CPU handles core computations like ray tracing.^[42] Users can configure advanced NVIDIA or AMD graphics cards with DirectX 11 or higher support to optimize performance for these display-intensive operations.^[84] Add-on modules extend OpticStudio's capabilities for specialized simulations, including tools for fiber coupling and laser beam propagation. The single-mode fiber coupling analysis in sequential mode evaluates efficiency and mode matching using paraxial Gaussian beam tools or physical optics propagation (POP).^[85] Laser beam propagation is modeled via ray-based approaches, physical optics methods, or Zemax Beam Files (ZBF) for accurate simulation of Gaussian beams and divergence in non-sequential mode.^[86] These features, available in premium editions, support applications in laser systems and fiber optics without requiring external software.^[49]

Applications

Key Industries

Zemax OpticStudio is extensively applied in the aerospace and defense sector for designing advanced optical systems critical to mission success. In aerospace, it facilitates the development of telescope optics, such as those modeled for space-based observatories like the James Webb Space Telescope, enabling precise simulation of segmented mirrors and photon propagation in extreme environments.^[87]^[88] For defense applications, OpticStudio supports the design of missile seekers, including imaging infrared systems where ray tracing optimizes lens performance for target detection.^[89] Additionally, it is used for UAV cameras, aiding in the optimization of compact imaging sensors for autonomous navigation and reconnaissance.^[90] In the medical and life sciences field, OpticStudio plays a pivotal role in creating precision optical instruments that enhance diagnostic and therapeutic capabilities. It is instrumental in designing endoscope lenses, where simulations ensure high-resolution imaging of internal tissues while minimizing distortion in compact form factors.^[91]^[92] For microscopy systems, the software enables optimization of objective lenses to achieve superior resolution and field uniformity in biological sample analysis.^[93]^[94] In laser surgery tools, OpticStudio models beam propagation for procedures like corneal reshaping, ensuring accurate energy delivery and safety margins.^[95]^[96] The consumer electronics industry leverages OpticStudio to innovate compact, high-performance imaging and display technologies. For smartphone cameras, it optimizes multi-element lens stacks to deliver sharp images across wide focal ranges, addressing challenges like aberration control in miniaturized designs.^[97]^[98] In AR/VR displays, the software performs wide field-of-view (FOV) optimization, simulating eyebox expansion and minimizing distortions for immersive user experiences.^[1]^[99]^[100] Automotive applications of OpticStudio focus on enhancing vehicle safety and user interfaces through sophisticated optical engineering. It designs head-up displays (HUDs) by modeling freeform optics to project clear, distortion-free information onto windshields, integrating with augmented reality elements.^[101]^[102] For LiDAR sensors, the tool simulates beam patterns and receiver optics to improve range accuracy in autonomous driving systems.^[1] Adaptive lighting systems benefit from its illumination modeling, optimizing LED arrays for dynamic beam shaping and glare reduction.^[102]^[103] In the semiconductor and photonics sector, OpticStudio supports the integration of advanced optical components into chip-scale devices. It enables fiber optics coupling design, calculating efficiency for single-mode fibers in data transmission modules to minimize losses.^[85]^[104] For LED illumination, the software models non-sequential ray tracing to uniformize light output in photonic integrated circuits and display backlights.^[105] It also aids in nano-optic design, such as metalenses, by simulating diffractive elements for compact, high-efficiency beam steering in semiconductor lasers.^[1]^[106]^[107]

Notable Use Cases

OpticStudio has been instrumental in the optical design and analysis of the James Webb Space Telescope (JWST), particularly for modeling its complex primary mirror composed of 18 hexagonal segments. Engineers utilized the software's sequential and non-sequential modes to simulate the three-mirror anastigmat architecture, optimizing ray tracing and aberration correction through tools like spot diagrams and wavefront maps. This approach enabled precise tolerancing of segment positioning, accounting for piston errors up to ±0.5 microns and tilt adjustments to ensure alignment and performance in cryogenic conditions.^[108]^[109] In medical optics, OpticStudio facilitates the optimization of intraocular lenses (IOLs) for cataract surgery, where diffractive aspheric bifocal designs are modeled to correct corneal aberrations and improve visual acuity across distances. Using binary 2 surfaces and multi-configuration setups, designers analyze modulation transfer functions (MTFs) up to 50 lp/mm and bitmap images at field angles of 0° to 20°, enabling aberration reduction through phase polynomials on front and back PMMA surfaces. These simulations support implantation of IOLs that enhance near (250 mm) and far (infinite) vision, minimizing blur in pseudophakic eyes.^[110]^[111] For augmented and virtual reality (AR/VR) applications, OpticStudio supports head-mounted display (HMD) designs incorporating freeform surfaces to achieve wide fields of view (FOVs) exceeding 90 degrees, as demonstrated in prism-based systems for AR overlays. Non-sequential mode simulations model wedge prisms and freeform optics to minimize distortions and optimize eyebox uniformity, allowing for compact lens stacks that relay virtual images with high resolution. These capabilities have been applied in prototyping immersive displays, integrating diffractive elements for broadband performance.^[112]^[113] In automotive sensing, OpticStudio has been employed by Bosch for modeling LiDAR systems in autonomous vehicles, using non-sequential mode to optimize transmitter optics with off-the-shelf aspheric and biconvex lenses. Simulations reduced beam divergence from 1.154° to 0.445° in the z-y plane, achieving up to 52.28% power efficiency at 1000 mm and supporting ranges up to 180 m with 0.05° angular resolution for object detection. This work integrates with electrical simulations like SPICE for holistic validation, enhancing safety in Level 4/5 driving scenarios.^[114] In a 2025 study, Zemax OpticStudio was used to design the micro-objective optics for an ultra-compact, fiber-coupled source of maximally entangled on-demand photon pairs from GaAs quantum dots embedded in monolithic microlenses, enabling high extraction efficiency and entanglement fidelity for quantum communication applications. These designs leverage inverse-engineered photonic structures to boost brightness and indistinguishability, advancing scalable quantum technologies.^[115]^[116]

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Jul 18, 2012 · Improved and Expanded Light Source Library contains alignment images of the sources so you always know exactly where the sources are located ...Missing: integration stray analysis 2011-2015
[29]
Evergreen Funds Merger of Radiant Imaging, Zemax | PE Hub
Mar 25, 2011 · ... Ken Moore, founder and CEO of Zemax. “This merger will allow us to transform into a global optics design, test and measurement leader with ...<|control11|><|separator|>
[30]
Radiant, Zemax merge with backing from Evergreen Pacific
Mar 25, 2011 · The capital from Evergreen is allowing Redmond-based Radiant Imaging Inc. to merge with Zemax Development Corp. of Bellevue, creating a company ...
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When Zemax became optics studio
Sep 9, 2022 · The first OpticStudio release seems to be 14.2. This is were you will find the release notes. However, it seems to start at 19.4 SP2.Missing: history 2011-2015
[32]
Radiant Zemax Sells Zemax Division of Business - Yahoo Finance
Oct 24, 2014 · Evergreen Pacific Partners announced today its portfolio company Radiant Zemax, a global provider of test, measurement and design tools and ...
[33]
Radiant Zemax Sells Optical Design Software Business
Oct 29, 2014 · Radiant Imaging and Zemax Development Corp. merged in 2011 under the ownership of Evergreen Pacific Partners. The merger enabled Zemax to invest ...
[34]
ANSYS, Inc. completed the acquisition of Zemax, LLC from EQT Mid ...
Sep 29, 2021 · Under the transaction terms, the purchase price is $411.5 million, paid in cash, or $399.1 million net of cash acquired from Zemax. The ...Missing: $580 | Show results with:$580
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Ansys 2022 R2: What's New in Zemax OpticStudio and OpticsBuilder
Join our upcoming webinar as we introduce two new products, Ansys Zemax OpticStudio and Ansys Zemax OpticsBuilder, to design and simulate an end-to-end optical ...Missing: rebranding | Show results with:rebranding
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Chip design software firm Synopsys completes $35B deal
Jul 17, 2025 · The chip design software maker has completed its $35 billion acquisition of Anys after receiving final approval from China on July 14.
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https://www.manufacturingdive.com/news/chip-design-software-maker-synopsys-completes-35b-deal-ansys/753321/
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Keysight Completes Acquisition of Synopsys' Optical Solutions ...
Oct 17, 2025 · Keysight Completes Acquisition of Synopsys' Optical Solutions Group and Ansys' PowerArtist. Acquisitions broaden Keysight's growing design ...
[39]
Synopsys Collaborates with TSMC to Enable 2D and 3D Design ...
Sep 24, 2025 · Ansys optiSLang software and Ansys Zemax OpticStudio software transform the design of optical coupling systems in TSMC-COUPE™ architecture ...<|control11|><|separator|>
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Synopsys, TSMC partner to advance 2D and 3D design solutions
Sep 25, 2025 · AI-assisted workflow shortens design cycles on TSMC's COUPE platform and improves quality using Ansys optiSLang, Zemax, and Lumerical FDTD.
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Synopsys to acquire Ansys - Optica
For the past seven years, it partnered with Ansys to bolster their EDA software with simulation and analytics tools. The proposed acquisition, which will close ...
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What computer should I buy to run OpticStudio? - Ansys Optics
Use 64-bit Windows, 8-32 CPU cores, 1-2GB RAM per core, 16-64GB total RAM, 10GB minimum disk space, and a DirectX 12+ Nvidia/AMD card.Introduction · CPU cores · Graphics and memory...
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Zemax file extensions - Ansys Optics
The ZOS file format was introduced in OpticStudio 21.3. These files may be located in any directory, but it is recommended that they be co-located with the ...
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The Merit Function Editor (IMeritFunctionEditor) - ANSYS Help
The Merit Function Editor (MFE) interface allows you to add/edit/delete the operands and their values. As with all Editors, there are Rows comprised of Columns.
[45]
Aperture (surface properties) - ANSYS Help
Ansys Zemax OpticStudio User Guide |. Chinese (Simplified) ... Explode CAD Assembly · 1.7. Exit Button · 2. The Setup Tab · 2.1. System Group (the Setup Tab).
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How to export a lens to CAD - Ansys Optics
Use the Export CAD File tool in OpticStudio to export lens surfaces to formats like STEP, IGES, SAT, and STL. Select the surfaces and file type, then save.Missing: workflow apertures simulation
[47]
How to add new materials and glasses in OpticStudio - Ansys Optics
Catalog data is provided to Zemax by a variety of materials vendors, including Schott, Ohara, and Edmund Optics. Adding a custom materials catalog. Before ...
[48]
Fitting index data in OpticStudio - Ansys Optics
OpticStudio includes catalog information for hundreds of glasses from more than 30 vendors (such as Schott, Corning, Ohara, and Chengdu) around the world. In ...
[49]
[PDF] Ansys Zemax OpticStudio Feature Comparison - PADT, Inc.
1 Ansys Zemax OpticStudio Pro - Paid Up & Lease. 2 Ansys Zemax OpticStudio Premium - Paid Up & Lease. 3 Ansys Zemax OpticStudio Enterprise - Paid Up & Lease.Missing: Standard | Show results with:Standard
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How to identify your legacy Zemax license - Ansys Optics
Zemax, LLC offers two types of licenses: single user and network. Both of these lincense types are offered in either a USB hardkey or softkey license format.Missing: mid- 2010s
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Ansys 2025 R2 Release Highlights
The 2025 R2 release features enhanced physics-based solvers, streamlined workflows, and new AI-powered tools, all designed to accelerate simulations and ...
[52]
Technical Enhancements and Customer Support (TECS) - Ansys
TECS provides priority service, updated software, ongoing support for two current releases, and access to technical expertise for a yearly fee.Missing: tiers | Show results with:tiers
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Free 30-Day Optical Design Software Trial | Ansys Zemax OpticStudio
OpticStudio is the standard for optical, illumination, and laser system design in leading companies throughout the optics industry and at universities ...
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Exploring Sequential Mode in OpticStudio - Ansys Optics
In sequential ray tracing, rays are traced through a pre-defined sequence of surfaces, hitting each surface only once, while traveling from the object to the ...The OpticStudio graphical user... · Layout windows · Ray Fan and OPD Fan analysisMissing: documentation | Show results with:documentation
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[PDF] OpticStudio Help Files - Canada France Hawaii Telescope
Oct 10, 2014 · Installing OpticStudio, and customizing its appearance and file locations to your preference. •. Entering a simple sequential design.Missing: friendly | Show results with:friendly
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Sequential vs Non-Sequential mode? - Zemax Community
Feb 11, 2019 · Non-Sequential Mode is optimal for analyzing stray light, scattering, and illumination. In this mode, sources, objects and detectors are encountered.Polarization ray tracing in non-sequential mode - Zemax CommunityTracing an EXPLICIT ray in Sequential Mode - Zemax CommunityMore results from community.zemax.com
[57]
How to create a simple non-sequential system - Ansys Optics
This article is a tutorial demonstrating some basic operations in OpticStudio Non-Sequential Mode. It describes how to create and edit objects in the ...Non-Sequential Ray Tracing · Creating the Source · Tracing Analysis Rays to the...<|separator|>
[58]
Improving non-sequential ray tracing speeds with nested and ...
This article describes how to use the nesting rule in Non-Sequential Mode to replace Boolean objects and improve ray tracing efficiency.
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Aspheric Surfaces - Part 1 - Ansys Optics
This two-part article series delves into the transformative impact of aspherical surfaces, beginning with their application in singlet and doublet lenses, and ...
[60]
How diffractive surfaces are modeled in OpticStudio - Ansys Optics
This article explains how diffractive surfaces are modeled, and the differences between kinoform and binary optics. Diffractive modeling in OpticStudio.Missing: aspheres | Show results with:aspheres
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How to model thermal gradients in an interferometer cavity
OpticStudio can model linear and quadratic temperature variations of glass and air by using the flexible Gradient 4 surface type. This article shows how to ...
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Using Gradient Index Operands - ANSYS Help
DLTN is used to control the maximum total change in index within a gradient index lens. Surf defines the surface number, and Wave defines the wavelength number.
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Light sources used in illumination design - Ansys Optics
These models fall into two categories: (1) source definitions based on measured spectra and (2) source definitions based on Tristimulus values. Knowledge of ...
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Understanding paraxial ray tracing - Ansys Optics
Paraxial rays and parabasal rays are often used in OpticStudio to calculate system data and analysis results. It is important to understand what these rays are ...
[65]
API (Python and MATLAB Interactive Extension) Calculate the Ray ...
Jan 11, 2022 · We can calculate ray transfer matrix element by knowing Height of incidenct ray,Height of refracted ray ,angle of incidence and angle of refraction.
[66]
How to write your own optimization operand - Ansys Optics
This article explains how to utilize a user-defined Zemax Programming Language (ZPL) macro to calculate and return a value to the Merit Function Editor (MFE) ...
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How to optimize non-sequential optical systems
This article gives a recommended approach to the optimization of non-sequential optical systems. The recommended methods are to use Pixel Interpolation, ...Introduction · Pixel interpolation and NSDD · System Setup · The merit functionMissing: interface | Show results with:interface
[68]
OD vs. DLS - Zemax Community
Jul 17, 2020 · There are two local optimization algorithms: Orthogonal Descent (OD) and Damped Least Squares (DLS). The OD algorithm uses an orthonormalization ...
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Tolerancing Overview - ANSYS Help
OpticStudio provides a flexible and powerful tolerance development and sensitivity analysis capability. ... Monte Carlo Analysis · Nesting Rules for Monte ...
[70]
How to perform a sequential tolerance analysis - Ansys Optics
The Monte Carlo tab. Unlike the sensitivity and inverse sensitivity analysis, the Monte Carlo analysis simulates the effect of all perturbations simultaneously.Manufacturing tolerances · Testing the tolerancing setup · The Set-Up tab
[71]
How to analyze your tolerance results - Ansys Optics
In OpticStudio's tolerance analysis, you may save the tolerance results for each Monte Carlo file, or you may save each tolerance in the sensitivity ...
[72]
Methods for analyzing MTF in OpticStudio - Ansys Optics
MTF describes the transfer of modulation from the object to the image as a function of spatial frequency. It is commonly used to specify lens performance, and ...Fraunhofer (fft) Mtf · Geometric Mtf · Huygens MtfMissing: encircled | Show results with:encircled
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extended source encircled energy | Zemax Community
Jan 11, 2021 · Extended Source Encircled Energy reports the fraction of energy arriving on the image plane, similar to Geometric Image Analysis, but reports ...Diffraction Enclosed Energy out of focus - Zemax CommunityEnclosed Energy (diffraction) : optical system analysisMore results from community.zemax.comMissing: performance metrics distortion
[74]
Background theory and concepts of illumination design - Ansys Optics
Key concepts include units of measure, point sources, energy, encircled energy, uniform distribution, and the concept of étendue and conservation of energy.Units Of Measure · Defining The Energy · The Encircled Energy Of A...Missing: metrics | Show results with:metrics
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[PDF] 2025 R1.01 Release Notes | ParsOptics
Feb 12, 2025 · 3.1 NSC SEQUENCE SELECTOR (PREMIUM & ENTERPRISE EDITIONS). Generate persistent sequence filters with the new Sequence Selector tool. You are ...
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Using the OpticStudio Dynamic CAD link with assemblies
OpticStudio dynamically links assemblies from CAD programs, allowing loading as a single object or exploded file. Specific CAD software must be installed. The ...Loading An Assembly File · Autodesk Inventor® Example · Defining Optical PropertiesMissing: interoperability LiveCAD
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How to import CAD objects - Ansys Optics
This article describes how to import CAD objects into OpticStudio, using STL, IGES, STEP, and SAT formats. The choice of CAD format you use is likely to be ...How To Import Cad Objects · Stl Format · Imported Cad Object...Missing: integration interoperability LiveCAD Creo
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Multiphysics Simulation using Ansys Zemax OpticStudio
This session is designed to provide insights into how the STAR module integrates structural, thermal, and optical analysis for more accurate and efficient ...Missing: coupling | Show results with:coupling
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Zemax OpticStudio: Conducting a Simple Optical System Thermal ...
Sep 29, 2022 · This workflow will use Ansys Mechanical to analyze the system deformation of both the optics and mechanical tube assembly.Missing: coupling | Show results with:coupling
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Lumerical Sub-Wavelength Model plugin: Usage in Zemax OpticStudio
To generate required data from Lumerical, users need a Ansys Lumerical FDTD license. To read the data into OpticStudio, users need a Pro, Premium or ...Generate grating data from... · Set up the gratings in Ansys...
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Dynamic workflow between Lumerical RCWA and Zemax OpticStudio
Both Lease and Paid-Up Ansys Zemax licenses are valid to use this tool. Lumerical must have an FDTD license, and the edition must be 2023 R1.0 or later. Please ...
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Introduction to Zemax Programming Language (ZPL) - Ansys Optics
The Zemax Programming Language (ZPL) allows users to write their own programs within OpticStudio. These programs can: Automate repetitive keyboard and mouse ...
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Programming Zemax OpticStudio - Ansys Optics
OpticStudio provides three main programming languages: the Zemax Programming Language (ZPL) ... Connect to OpticStudio from Python with the ZOS-API ...
[84]
The differences between ZOS-API, ZPL and DLL - Ansys Optics
The Zemax Programming Language (ZPL) ... All ZOS-API programs and extensions are written in an external programming language like C#, C++, MATLAB or Python.
[85]
Setting OpticStudio to use an advanced graphics card - Ansys Optics
Set “Preferred graphics processor” to “High-performance NVIDIA processor.” Next, choose the “Program Settings” tab. From the drop-down, choose “C:/Program ...
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Single-mode fiber coupling in OpticStudio - Ansys Optics
This article demonstrates how to set up a coupling system and examines the multiple tools available in Sequential Mode for beam and fiber coupling analysis, ...Missing: modules laser
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How to model laser beam propagation in OpticStudio: Part 1
Three tools can be used in OpticStudio sequential mode to model Gaussian beam propagation. They are: The ray-based approach; Paraxial Gaussian Beam analysis ...Missing: modules coupling
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A Glimpse into Deep Space with Extreme Optical Engineering - Ansys
Aug 4, 2022 · One of the practical limits for space-based telescopes has been the size and weight of the optics. ... Zemax OpticStudio to predict the photon ...Missing: UAV | Show results with:UAV
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[PDF] NASA Spinoff 2024
The Ansys Zemax OpticStudio software package, pictured here in a demo of James Webb Space Telescope mirror modeling, was equipped with new capabilities and ...<|control11|><|separator|>
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[PDF] imaging infrared seeker design - Middle East Technical University
Jun 30, 2014 · Firstly the radiant power of the target was discussed and optical design of seeker lenses were done with ZEMAX Optical Design Software ...Missing: OpticStudio UAV
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An Overview of Ansys Optics Simulation for the Aerospace and ...
Sep 26, 2024 · Ansys Zemax OpticStudio® excels in designing and optimizing lens systems for cameras, telescopes, and other imaging devices used in ...Missing: missile UAV
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Envision More Innovative Medical Devices With Ansys Optics
Oct 13, 2025 · Devices like endoscopes rely on optical components to capture high-quality images of internal organs, tissues, and cells for diagnostic purposes ...
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Endoscope Lighting & Imaging - Ansys Optics
This example demonstrates a simulation workflow to analyze the image quality of an endoscope camera system under different lighting conditions.Missing: laser | Show results with:laser
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Designing a Microscope Objective with OpticStudio - YouTube
Aug 21, 2017 · Zemax offers software solutions for end-to-end optical design, taking your ideas from napkin to prototype. Optical engineers can design the ...Missing: applications | Show results with:applications
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[PDF] Design & evaluation of a confocal scanning microscope using off
Mar 1, 2023 · The design and evaluation have been implemented using Zemax OpticStudio, the standard optical system design software for realistic optical ...
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Exploring Physical Optics Propagation (POP) in OpticStudio
The Physical Optics Propagation analysis is a powerful Sequential Mode tool for analyzing beam propagation and fiber coupling. This article is intended to ...Missing: add- modules
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Zemax, LLC's Post - LinkedIn
Mar 22, 2022 · These annular beams are often used in medical applications such as laser corneal surgery or laser material processing. In the Zemax ...
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Unlocking the Future of Camera Design with Zemax OpticStudio and ...
Jan 20, 2025 · Zemax OpticStudio and Lumerical step in, delivering the tools engineers need to transform ideas into cutting-edge camera designs.<|control11|><|separator|>
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[PDF] Optical Systems Design With Zemax Opticstudio - Tangent Blog
Oct 28, 2025 · It allows engineers and designers to simulate light propagation through various optical components, optimize system performance, and visualize ...
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Augmented Reality Optical System - Ansys Optics
This article demonstrates how to use Ansys's complete optical solution to design and analyze an AR system formed by input/output and exit pupil expander (EPE) ...Overview · Run And Results · Step 3: Speos SimulationMissing: glTF | Show results with:glTF
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Ansys Optical Solutions Drive Miniaturization Of AR/VR In Modern ...
The ray tracing capabilities in Ansys Zemax OpticStudio can be used to simulate the paths light takes through these complex systems, from the picture generation ...
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Stray Light in a Head-Up Display Application with Speos and Zemax
Dec 5, 2022 · See how Ansys optics solutions work seamlessly together to provide a complete solution for simulating stray light in any optical design.Missing: LiDAR | Show results with:LiDAR
[103]
Tech Tip Tuesday: Automotive lighting curvature solver
Dec 21, 2021 · With Zemax OpticStudio you can accurately calculate automotive lighting systems, eg the projection lens for a headlamp.Missing: LiDAR | Show results with:LiDAR
[104]
hud #automotivelighting #oled #micoled #adaptivelightingsystems
Oct 14, 2024 · Are you ready to light the way forward? Vehicle lighting has evolved from basic bulbs to advanced LED, adaptive, and digital systems.Missing: LiDAR | Show results with:LiDAR
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Laser Coupling with Fiber in Zemax - Resources
Oct 8, 2024 · In Zemax fiber coupling involves designing and optimizing an optical system that efficiently directs light from a source, such as a laser, into an optical ...Missing: OpticStudio semiconductor LED
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https://www.ansys.com/blog/incorporate-diffractive-optics-metalenses-into-macroscopic-optics
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Incorporate Diffractive Optics and Metalenses into Macroscopic Optics
Feb 28, 2024 · Ansys Zemax OpticStudio 2024 R1 delivers enhanced support for incorporating metalenses and DOEs into macroscopic optical modeling more easily.Missing: photonics | Show results with:photonics
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[PDF] What's New - Ansys Zemax OpticStudio 2024 R1 - EPIC Photonics
• Easily analyze and control the phase slope that diffractive and phase surfaces add and keep the diffractive optics manufacturable. • Use with surfaces that ...
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James Webb Space Telescope with Ansys | Education Resource
Starting with a basic three-mirror anastigmat design, learn how Ansys Zemax OpticStudio can model and analyze the James Webb Space Telescope.Missing: tolerancing | Show results with:tolerancing
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Modeling the James Webb Telescope Segments in OpticStudio
Mar 22, 2017 · In this Webinar, we will continue our model of the James Webb Space Telescope. The primary mirror consists of 18 hexagonal segments.Missing: non- tolerancing
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Bi-focal Intraocular lens in Zemax - Resources - Ozen Engineering, Inc
Sep 10, 2024 · Intraocular bifocal lens are artificial lenses implanted into the eye, typically after cataract surgery, to correct vision at multiple distances.<|separator|>
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(PDF) Design and Modeling of Corneal Aberration Correction with ...
Jul 6, 2023 · This paper estimates a specific detailed diffractive aspheric bifocal intraocular lens (IOL) used to correct and reduce corneal aberration ...Missing: OpticStudio | Show results with:OpticStudio
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Designing a head-mounted display (HMD) for augmented reality ...
Zemax OpticStudio ... This article demonstrates how to set up an optical system for a HMD in Sequential Mode, using a wedge-shaped prism and freeform surfaces.Missing: Meta Quest
[114]
Freeform optics in OpticStudio
OpticStudio provides several tools for designing freeform optics in Sequential and Non-Sequential mode. This article will provide an example of generating an ...Missing: Meta Quest headset FOV
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[PDF] Flight LiDAR System and Guidelines towards Integrated
Since the project was carried out in the LiDAR team at Bosch Car Multimedia Portugal S.A., a ... The chosen software is the ZEMAX OpticStudio v16.5, a broadly ...
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An ultra-compact deterministic source of maximally entangled ... - arXiv
Feb 17, 2025 · ... Zemax OpticStudio ... Schmidt, “Highly-efficient extraction of entangled photons from quantum dots using a broadband optical antenna,” Nat.
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(PDF) An ultra-compact deterministic source of maximally entangled ...
Feb 17, 2025 · We present an ultra-compact source of maximally entangled on-demand photon pairs. Our results are based on coupling of single GaAs quantum ...