During navigation by star sensor, the image quality may be unexpectedly reduced by stray light sources. Opticstudio can perform standard sequential ray tracing through optical elements, nonsequential ray tracing for analysis of stray light, and physical optics beam. The modeling and performance evaluation of the designed baffle are. Stray light, or light not intended in the design, comes from many different sources, complicating the optical product design process. Stray light and scattering effects are realworld problems, and only the most sophisticated of the optical simulation tools have the capability to model these effects.
Tolerancing to performance criteria using zemax and code v is necessary. Optimum baffle parameters to shield the direct rays of stray light are arrived at for a cassegrain telescope using the iterative method. Zemax offers software solutions for endtoend optical design, taking your ideas from napkin to prototype. With advanced path sorting, ray visualization, and optimization, tracepro takes the drudgery out of stray light analysis and design. Opticstudio is the only software package in the industry that offers comprehensive optics and illumination design capabilities all in one package. Zemax announces opticstudio subscription licenses novus. Introduction to stray light analysis part 1 myzemax.
A vital tool in the designers kit optical systems design and analysis software is a key element in an optical engineers toolkit. Introduction to stray light analysis in asap demo movie. What is stray light and how to test for it fireflysci. Stray light analysis has hit its stride, much like optimization and. Jul 17, 2003 lerner uses asap, the oldest of the illumination packages sold by breault research organization, us for stray light analysis for the national ignition facility project. The photonics buyers guide is a comprehensive resource for verified providers of stray light analysis software. For example, the monte carlo tolerance analysis in zemax.
Its presence may be caused by a wide variety of design and manufacturing factors. The level of stray light due to the dispersed radiation inside a monochromator or spectrograph is affected by the design of the instrument, its baffles and interior finish. Optotune develops and manufactures industry shaping active optical components that allow customers around the globe to innovate. An example of the data output from running the stray light analysis program is. Photon engineerings mastering stray light analysis short course is an intensive 3day instruction on the language, science, theory, techniques, and calculations involved in all aspects of stray light. Straylight analysis software suppliers photonics buyers. Stray light will not correct itself and will get worse over time. Nov 10, 2015 optimum baffle parameters to shield the direct rays of stray light are arrived at for a cassegrain telescope using the iterative method. The software has an intuitive graphical user interface, familiar windows pulldown menus, dialog boxes and contextsensitive help. So if you havent checked the stray light in your machine, now is the time to do so. Kirkland, washington october 18, 2016 zemax announces the latest version of its optical and illumination design software, opticstudio. Fred optical engineering software simulates the propagation of light through any optomechanical system by raytracing.
Filters can be used to block higher order diffracted wavelengths. Mar 16, 2018 stray light analysis and baffle design. Akash arora senior optical engineer microsoft linkedin. Ability to become sme experience with zemax opticaldesign software. Mastering stray light analysis short course photon engineering. With software like opticstudio, stray light analysis will continue to be refined and become faster and easier, helping to fuel innovation in arvr. For this task commercial straylight tools using montecarlo simulations can be extremely time consuming. The photonics buyers guide is a comprehensive resource for verified providers of straylight analysis software. Introduction stray light calculations are done to find out how unwanted light propagates to a detector or focal.
At zemax, were taking stray light analysis to the next level, by giving optical and mechanical engineers tools to not only detect stray light, but to correct it early in the design processwhether with the lens design or the mechanical design using modern virtual prototyping. Design and analysis of optimum baffle for a cassegrain. Tolerance analysis using zemax, the case for the small optics sooyong nam. Stray light analysis fuels innovation in vr, optical facial. The approach to the simulations described in this article includes using zemax as a nonsequential raytracing engine combined with python software controlling the. Designing a microscope objective with opticstudio zemax llc. Further, we have proposed here a design procedure that improves the performance of an optimum baffle arrived at in view of finite reflective nature of the practical blackenedbaffle structure. Zemax, optical product design software kirkland, wa. Software for design and analysis of illumination and.
Lerner uses asap, the oldest of the illumination packages sold by breault research organization, us for straylight analysis for the national ignition facility project. Filter strings can be used to perform a full optomechanical assessment of stray light, and will consider reflections, scattering, and coatings to both mechanical and optical components. The firm used both timeproven optical software solutions such as asap and zemax and tailormade optical software. Optical design software from zemax design imaging optics, lighting and illumination systems, and laser systems as the industryleading optical design software, opticstudio is used across a wide variety of industries, from aerospace and astronomy, to automotive, biomedical research, consumer electronics, machine vision, and more. With the ability to propagate both coherent and incoherent light and assign realistic. In this article we discuss the details of each and perform a stray light analysis using importance sampling. This article demonstrates stray light analysis techniques using the filter string functionality in nonsequential mode, as well as supporting features. There are a few different methods of testing stray light. Software for optomechanical modeling the closest thing to working at the speed of light. Stray light analysis fuels innovation in vr, optical. Methods for stray light analysis in opticstudio youtube.
Zemax allows all sources to be replicated as arrays. Commercial software for straylight simulation asap, fred, zemax, provide a comprehensive straylight analysis but require long calculation times typical of montecarlo numerical methods. Zemax, the global leader in optical product design software, announced today that opticstudio for optical engineers is now available as subscription licenses for individual and network concurrent users. Arrays of sources are more efficient than multiple instances of the same source, especially when the source is defined using a data file. Jun 26, 2018 for the development and analysis of optical systems, hembach photonik supplies software for stray light analysis, optical design and light scattering. Zemax, optical product design software kirkland, wa established in 1991 120 employees designer. Other unwanted light, called stray light, has several causes and should be minimized for both monochromators and spectrographs. Optical design engineer fluke corporation college of. It has been used in many projects for designing and analyzing all types of opticalillumination systems ranging from stray light suppression in telescopes and cameras to biomedical applications to led modeling and solar collector modeling. Opticaldesign software also extends to the design and analysis of nonimaging optics such as illumination systems, as well as to stray light analysis. Design experience in ir, visible spectral ranges and coatings for system performance. Stray light analysis fuels innovation in vr, optical facial recognition.
Stray light and photoluminescence handled in latest zemax. The latest version of fred fredmpc is the only optical engineering software in the world that performs calculations using gpus. Stray light calculation methods with optical ray trace software. These incoherent and discrete lights do not follow the normal optical path of the imaging system 25,26,27,28,29,30. The array types include rectangular grid, hexapolar array and more. Tutorial of tolerancing analysis using commercial optical software ping.
New stray light analysis tools help identify and block unwanted rays in optical systems and streamline stray light analysis to deliver accurate, consistent results faster. Stray light analysis using fred or other software a plus. Opticstudio has two features that improve scattering efficiency. View akash aroras profile on linkedin, the worlds largest professional community. This is not a typical stray light analysis aimed at investigating critical objects and possible stray light paths. Scattering efficiency, stray light analysis, importance sampling, scatter to, sources. This article gives some examples of the use of this capability. Stray light is the unwanted light reaching the detector and reducing the image quality.
Profiles and contact information for manufacturers and suppliers are provided by the companies and verified by our editors. Tracepro was originally developed for nasa for stray light analysis of space telescopes and remote sensing systems, and it continues to be a strength of the software. With advanced path sorting, ray visualization, and optimization, tracepro. The june 2007 update to zemax from zemax development bellevue, usa offers improved lens design, illumination, laserbeam propagation, straylight analysis and freeform optical design. It is often very convenient to analyze rays with specific qualities in order to assess the design and make adjustments to. How to use importance sampling to model scattering efficiently. This article is part 2 of the three articles, which is introducing how to identify the stray light path by path analysis tool and filter string syntax. Jul 12, 2019 this article focuses on the simulation of the stray light impact on the performance requirements at system level. Opticaldesign software also extends to the design and analysis of nonimaging optics such as illumination systems, as well as to straylight analysis.
By utilizing the path analysis tool, mechanical components causing the stray light can be easily identified. Going strong for 21 years, asap is seen as the industry standard in illumination software, and is the most powerful package available. Comprehensive optical system design in opticstudio youtube. Pdf straylux, an efficient tool for straylight modelling in optical. This book addresses stray light terminology, radiometry, and the physics of stray light mechanisms, such as surface roughness scatter and ghost reflections. Designing a microscope objective with opticstudio youtube. Asap optical analysis software 16 is a nonsequential raytracing. Whether your design is imported from cad, a lens design program, or constructed from within the software, fred provides engineers with the essential tools for virtual prototyping of optical systems. The mostefficient ways of using stray light analysis software packages are included. The book also demonstrates how the basic principles are applied in the design, fabrication, and testing phases of optical system development.
Software for design and analysis of illumination and optical. Our latest release includes new features to tackle stray light and photoluminescence, and also usability improvements that make opticstudio faster and easier to use. Jur 1 stray light analysis of a mobile phone camera jordan jur college of optical sciences, university of arizona, tucson, az 85721 masters project spring 2016 abstract stray light, defined as unwanted light or energy 1, is an unintended consequence which degrades the designed functional performance of an optical system. The exit beam from a typical monochromator should be monochromatic but usually contains undesired light of other wavelengths. If you have updated information about any of the organizations listed, please contact us. Stray light, or light not intended in the design, comes from many. When designing an optical system endtoend in opticstudio, one of the last steps is to perform stray light analysis to eliminate unwanted noise. This article is part 3 of 3 articles introducing stray light analysis with opticstudio. As a practical course on the theory and calculations involved in stray light analysis, no software programs are used during the class. How to analyze stray light in nonsequential mode in opticstudio using the filter string. Sdl has performed stray light design and analysis on many successful systems. Jan 31, 2017 stray light analysis of a mobile phone camerarevd 1. Stray light, scatter, optical analysis software, ray trace software 1.
Straylight analysis software suppliers photonics buyers guide. New fullfield aberration analysis use this new analysis plot to improve freeform surface design and visualize how aberrations change across the full. Stray light calculation methods with optical ray trace. The analysis processing speed of fredmpc can be 100 to 500 times faster than the analysis processing speed using a conventional multithreaded cpu. Stray light analysis is an important validation step for both optical and mechanical assemblies. How to find out the path of these unwanted light and set the absorption or block this light in the path is the most critical part of stray light analysis. With preference given to experience designing in the 1. Sdl has the expertise and facilities necessary to predict and measure the offaxis rejection performance of spaceborne telescopes. Resources knowledgebase consultants software downloads myzemax faq license policies. Straylight analysis software photonics buyers guide. Stray light analysis of a mobile phone camerarevd 1.
Infield and outoffield stray light analysis for the. Infield and outoffield stray light analysis for the copernicus. Jur 1 stray light analysis of a mobile phone camera jordan jur college of optical sciences, university of arizona, tucson, az 85721 masters project spring 2016 abstract stray light, defined as unwanted light or energy 1, is an unintended consequence which degrades the designed functional performance. For the development and analysis of optical systems, hembach photonik supplies software for stray light analysis, optical design and light scattering. Convert the file into nonsequential mode for stray light analysis. New features in this iteration of the software include. Optotunes focustunable lenses, laser speckle reducers, 2d mirrors and tunable prism offer new solutions for several industries including machine vision, laser processing, ophthalmology, microscopy, laser projectors and other consumer goods. Stray light analysis and control spie press pm229 eric. Users of the optics software can perform stray light analysis, illumination analysis, and optical systems analysis.
The company is offering sixmonth, oneyear, twoyear, and threeyear subscription terms, with volume discounts for five or more users. Such an analysis has been performed in the past as an effort to support optomechanical design. Optical system design of star sensor and stray light analysis. An optical engineer can request a mechanical engineer to modify the design of the components during the simulation process. Optical design software has a variety of tools that can help engineers reduce the cost.
Performed stray light analysis using methods such as point. New tools tackle stray light and simulate more photoluminescent materials, plus mobility and usability improvements increase ease of use. Vibration isolation in electrooptical spacecraft steven hearon. Based on the mechanical structure and surface property of east ts diagnostic system, a stray light analysis model has been built, and using the model, stray light of the system was simulated with the two types of baffles added to the system respectively. Get the guide to learn how to analyze stray light in opticstudio using the. Stray light analysis is critical in the development of many cuttingedge technologies including virtual reality vr and augmented reality ar, headsup displays, optical facial recognition, autonomous vehicles, drones, and more. Black coatings to remove stray light bernie outram. Introduction to stray light analysis in asap demo movie system modeling for stray light analysis in asap, identification of stray light paths and characteristics, and stray light elimination techniques. Find straylight analysis software suppliers with the photonics buyers guide. In the aerospace market, tracepro is best known for its stray light analysis capabilities.
This article is part 1 of 3 articles, which is introducing how to observe the stray light in nonsequential mode from a sequential mode system by using nsc group converter. When designing an optical system endtoend in opticstudio, one of the last steps is to perform stray light analysis to eliminate unwanted noise in the system. Simulation allows virtual tinkering with a system problem before ever creating and in some cases eliminating a prototype. The ratio of transmitted stray light to signal is reduced to the product of the ratio for each monochromator, so combining two monochromators in series with 10. Use analysis, optimization, tolerancing, and stray light tools to complete the design. This article is accompanied by a sample file available for download. Aug 21, 2017 zemax offers software solutions for endtoend optical design, taking your ideas from napkin to prototype. These tools allow better simulation of real devices by including effects due to light hitting. One older method involves using etched nickel screens. Here we present the software straylux, a tool to calculate the diffuse. Analysis of baffles for stray light reduction in the. Design and analysis of optimum baffle for a cassegrain telescope. The software in python communicates with zemax model of the instrument via dde interface and performers such functions as setting simulation.
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