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Balancing detector effects with aberrations in the design of wide-field grazing incidence x-ray telescopes

optical engineering 2006年第6期45卷 063003-1-063003页

作者： Harvey, James E. Atanassova, Martina Krywonos, Andrey Univ Cent Florida CREOL Orlando FL 32826 USA

Most imaging systems today include a mosaic detector array in the focal plane. optical designers of astronomical telescopes typically produce a design that yields a superb on-axis aerial image in the focal plane, and detector effects are included only in the analysis of the final system performance. Aplanatic optical designs (corrected for spherical aberration and coma) are widely considered to be superior to nonaplanatic designs. However, there is little merit in an aplanatic design for wide-field applications because one needs to optimize some field-weighted-average measure of resolution over the desired operational field of view (OFOV). Furthermore, when used with a mosaic detector array in the focal plane, detector effects eliminate the advantage of the aplanatic design even at small field angles. For wide fields of view, the focal plane is frequently despaced to balance field curvature with defocus thus obtaining better overall performance. We will demonstrate that including detector effects in the optical design process results in a different optimal (nonaplanatic) design for each OFOV that is even superior to an optimally despaced aplanatic design. (c) 2006 Society of Photo-optical Instrumentation Engineers.

关键词： detector effects wide-field imaging systems grazing incidence x-ray telescopes

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Infrared incoherent imaging: Elements of rotary encoder optical design 6

Infrared incoherent imaging: Elements of rotary encoder opti...

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current developments in optical design and engineering VI conference

作者： Svec, CB Danaher Controls (United States)

ISBN: (纸本)0819422517

The optical system of an optical rotary encoder is presented. The requirements of the optics system are given and their effects on optical design decisions are discussed, Steps taken to insure stable operation over a -40 degrees C to +85 degrees C temperature range are presented. designing for manufacturing toleraces is discussed. A novel application of a fiber illuminator LED as a short-distance collimated source is shown to be an acceptable low-cost alternative to a laser diode. The importance of effective plastic element employment in low-cost, mass-production optical systems is demonstrated.

关键词： incoherent encoder manufacturability plastic stability

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optical designs of the objectives for special studies in polarizing microscope 19

Optical designs of the objectives for special studies in pol...

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19th conference on current developments in Lens design and optical engineering

作者： Frolov, Dmitry N. Vinogradova, Olga A. Frolov, Alexey D. Tabachkov, Alexey G. Project Labor Microscopes Zapovednaya St 51A St Petersburg 194356 Russia

Presents the results of the optical design of lens objectives for polarization light microscopes, including to ensure that the special techniques. Sometimes such methods require the use of objectives similar magnifica... 详细信息

ISBN: (数字)9781510620629

ISBN: (纸本)9781510620629

关键词： Microscopy Lens system design optical design and fabrication Objectives for microscopes Lens objectives system design Objectives for polarizing microscopes Polarizing microscopy

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Application of GPUs in optical design software 20

Application of GPUs in optical design software

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conference on current developments in Lens design and optical engineering XX

作者： Mischuck, Brian Page, Erik Croce, Alessandra Zemax 10230 NE Points Dr 500 Kirkland WA 98033 USA

ISBN: (数字)9781510629028

ISBN: (纸本)9781510629028

We present an overview of the pros and cons of using GPUs in optical design software. While GPUs can run multiple calculations in parallel, that parallelization comes with a price. We will discuss the trade-offs that allow GPUs to run up to thousands of cores in parallel and how those trade-offs effect the use of GPUs in optical design software. In particular, we review the use of GPUs in several steps of design calculations, including ray-tracing and computationally expensive steps such as calculating Huygens integrals.

关键词： OpticStudio GPU PSF Scientific Computing

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Testing and design of a low-cost large scale solar simulator

Testing and design of a low-cost large scale solar simulator

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conference on current developments in Lens design and optical engineering XII/Advances in Thin Film Coatings vii

作者： Meng, Qinglong Wang, Yuan Changan Univ Sch Environm Sci & Engn 12 Yanta Rd Xian 710054 Shaanxi Provinc Peoples R China Xi An Jiao Tong Univ Sch Energy & Power Engn Xian 710049 Shaanxi Provinc Peoples R China

ISBN: (纸本)9780819487384

To simulate solar radiation at the earth's surface, a new economical multiple-lamp solar simulator was designed. The solar simulator is comprised of 188 reflector sunlight dysprosium lamps whose light spectrum is very similar to air mass 1.5 (AM1.5) solar spectrum terrestrial standards. Lamps are configured in a hexagonal pattern with 15 columns of 12 or 13 lamps at a lamp-to-lamp spacing and column-to-column spacing of 295mm. Without altering the radiation spectral distribution, the average irradiance on target irradiated area can be adjusted over a wide range between 150 and 1100W/m(2) by means of the variation of lamps number or/and lamp-to-irradiated area distance. At the height of 2.0m the solar simulator provides 2mx1.5m irradiated area with over 1000 W/m(2). Measurement of irradiance indicates that the multiple-lamp simulator conforms to Class B of ASTM (American Society for Testing and Materials) Standard (ASTM E927-2005) in regard to spectrum match, irradiance uniformity and stability. To enlarge the effective irradiated area, two large mirror-like stainless steel plates was mounted on both of the long sides of the solar simulator. The radiation characteristics of simulator are improved and the optimized effectively irradiation surface is expanded up to 81.6%.

关键词： solar simulator irradiance nonuniformity temporal instability

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Generative design and Digital Manufacturing: Using AI and robots to build lightweight instruments 23

Generative Design and Digital Manufacturing: Using AI and ro...

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conference on current developments in Lens design and optical engineering XXIII Part of SPIE Optics and Photonics conference

作者： McClelland, Ryan NASA Goddard Space Flight Ctr Greenbelt MD 20770 USA

ISBN: (纸本)9781510654198;9781510654181

Digital engineering technologies are transforming long-stagnant development processes by applying the tremendous advancements in Information Technology (IT) to classical engineering tasks such as design, analysis, and fabrication of space-flight instrument structures. Generative design leverages developments in Artificial Intelligence (AI) and Cloud computing to enable a paradigm shift in the design process, allowing the engineer to focus on defining the requirements and objectives of the design while AI generates optimized designs which comply with the input requirements. Digital Manufacturing allows these complex lightweight designs to be efficiently manufactured by directly fabricating from the resulting 3D models. The development of these two Digital engineering technologies realizes significant mass savings while simultaneously reducing structure development time from months to days. This paper describes the development of the Evolved Structures process applying these technologies to spaceflight optical instrument structures including an example demonstrating greater than 10x reduction in development time/cost and greater than 3x improvement in structural performance.

关键词： Generative design Digital Manufacturing Topology Optimization Evolved Structures AI

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Small catadioptric microscope optics

Small catadioptric microscope optics

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conference on current developments in Lens design and optical engineering V

作者： Shafer, DR Chuang, YH Armstrong, JJ David Shafer Opt Design Fairfield CT 06430 USA

ISBN: (纸本)0819454613

New catadioptric objectives have been developed with large bandwidths in the DUV, high numerical apertures (NAs), and small size. This can be achieved using a single glass material. designs are specifically optimized for loose alignment tolerances and ease of manufacturability. Applications include broad band DUV imaging and high resolution immersion imaging for industrial microscopy and life sciences.

关键词： catadioptric DUV broadband microscope objective

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ALGEBRAIC APPROACH FOR OPTIMIZING A TRIPLET LENS

ALGEBRAIC APPROACH FOR OPTIMIZING A TRIPLET LENS

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conference on current developments in optical design and optical engineering III

作者： KASSIM, AM AL QUDS UNIV COLL SCI & TECHNOLDEPT PHYSJERUSALEMISRAEL

ISBN: (纸本)081941249X

Using the concept of matrix theory for lens design, a triplet lens can be replaced by a singlet lens which has an equivalent system matrix without changing its optical performance. Then, using third order Siedel's first aberration coefficient of the singlet lens is equal to zero, and the focal length and the physical length of the triplet lens are kept constant as constraints, an algebraic technique for optimizing a triplet lens is derived. Results show that this new optimizing technique is more effective than other conventional techniques for optimizing a triplet lens in the case of plane waves.

关键词： Lens design Electronic filtering Monochromatic aberrations Refractive index Spherical lenses Geometrical optics optical design optical properties Physics Image quality

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COMPACT VIDEO-RATE optical SCANNER (CVROS) FOR FINITE CONJUGATE APPLICATIONS 4

COMPACT VIDEO-RATE OPTICAL SCANNER (CVROS) FOR FINITE CONJUG...

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conference on current developments in optical design and optical engineering IV

作者： TAYLOR, WH KOLLMORGEN CORP DIV ELECTROOPTNORTHAMPTONMA 01060

ISBN: (纸本)0819415871

The CVROS scanner, a new approach to high speed serial optical scanning employing a scan disc, has been successfully developed for thermal imaging. Its high speed, high scan efficiency, wide field, and mirror optics suggest applicability to broad band visible scanners and projectors as well as laser and UV printers. This paper reviews the CVROS concept and presents the configuration adaptations required for finite conjugate applications. design and performance characteristics are given for several configurations as well as key alignment and manufacturing requirements.

关键词： Mirrors Scanners Tolerancing Objectives Prisms Manufacturing Sensors Monochromatic aberrations optical alignment optical design

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A File Sharing Site for Lens designs 23

A File Sharing Site for Lens Designs

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conference on current developments in Lens design and optical engineering XXIII Part of SPIE Optics and Photonics conference

作者： Reiley, Daniel J. Claff, William Burbank (United States) Sherborn (United States)

ISBN: (纸本)9781510654198;9781510654181

A file sharing site for lens designs has been started at *** . This site currently contains almost 2,000 optical models. Many engineering disciplines have built public libraries of useful, publicly-available content. For example, GITHUB(1) has publicly-available software;GrabCAD(2), 3DcontentCentral(3), TurboSquid(4) all offer mechanical engineering content such as solids files;TI, Analog, etc. offer reference designs for electronics engineers. Generally, these services aren't just file repositories;they also offer collaboration, yielding more models, more refinement, more discussion, more community, and more to learn. Lens designers can also benefit from such design libraries. This paper explains the utility and structure of the site.

关键词： Lens design

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