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检索条件"任意字段=Conference on Current Developments in Lens Design and Optical Engineering IX"

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Small catadioptric microscope optics

Small catadioptric microscope optics

引用

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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Analytic formulas of the aspheric terms for convex-plano and plano-convex aspheric lenses

Analytic formulas of the aspheric terms for convex-plano and...

引用

conference on current developments in lens design and optical engineering XIV

作者： Avendano-Alejo, Maximino Univ Nacl Autonoma Mexico Ctr Ciencias Aplicadas & Desarrollo Tecnol Mexico City 04510 DF Mexico

ISBN: (纸本)9780819496911

We provide analytic formulas for fews aspheric terms either plano-convex or convex-plano aspheric lenses. These formulas are obtained considering an expansion in Taylor's series from exact caustic equation produced by aspheric lenses. A comparison between our method and numerical methods of design are presented, showing a well agreement in order to reduce the spherical aberration.

关键词： Aspheric lenses Monochromatic aberrations Refraction Manganese Geometrical optics lens design Numerical analysis Distortion optical components optical design

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A zoom lens from scratch: the case for number crunching 17

A zoom lens from scratch: the case for number crunching

引用

conference on current developments in lens design and optical engineering XVII

作者： Dilworth, D. C. Opt Syst Design Inc Boothbay ME 04544 USA

ISBN: (数字)9781510602861

ISBN: (纸本)9781510602854;9781510602861

The art of lens design has long been divided into two camps: theorists and number crunchers. Both camps have vocal supporters, both manage to get the job done, and both occasionally voice disdain for the other. This paper presents the case for number crunching-while recognizing the important contributions that theorists have made and continue to make. We illustrate this case by designing a zoom lens with no starting design and minimum direction from the designer. To this end we use a feature called ZSEARCH (TM) found in the program SYNOPSYS (TM)(1).

关键词： lens design global optimization zoom lens Damped Least Squares (DLS) Pseudo-Second Derivative (PSD) SYNOPSYS (TM)

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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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Advanced optical design for DNA sequencing systems

Advanced optical design for DNA sequencing systems

引用

conference on current developments in lens design and optical engineering XII/Advances in Thin Film Coatings VII

作者： Sobolev, Kirill Joobeur, Adel Uhrich, Craig Aziz, David ASML (United States) Complete Genomics Inc. (United States) Midbar West Inc. (United States)

ISBN: (纸本)9780819487384

Recent advances in DNA sequencing techniques require the development of high NA immersion microscope systems with large field-of-view, increased resolution and very tight distortion correction. This paper discusses the optical design and tolerance analysis of a NA 1.0 immersion microscope system with a field of view over 1 mm, which is to be used for four-color fluorescence spectroscopy. The microscope system includes an immersion objective lens and four tube lenses, and is corrected for a wide wavelength range from 490 nm to 712 nm. We will discuss critical aspects of designing this kind of optical system, including special glass selection required for chromatic correction.

关键词： DNA sequencing high-end microscope system lens design optical engineering

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Realizing low-distortion in miniature wide-angle lens with freeform optics technique 23

Realizing low-distortion in miniature wide-angle lens with f...

引用

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

作者： Zhuang, Zhenfeng Parent, Jocelyn Roulet, Patrice Thibault, Simon Immervision Inc 2020 Robert Bourassa BlvdSuite 2320 Montreal PQ H2A 2A5 Canada Univ Laval Dept Phys Genie Phys & Opt 2375 Rue Terrasse Laval PQ G1V 0A6 Canada

ISBN: (纸本)9781510654198;9781510654181

Distortion is one major shortcoming of conventional wide-angle lens. The correction of distortion can maximize field of view in a wide-angle lens and benefit natural scenes. In this paper, we propose a compact wide-angle lens utilizing freeform surfaces to address the shortcoming. The design approaches, including the starting point selection, freeform surface conversion scheme, and system optimization, are discussed in detail. Moreover, freeform diagnostic tools are developed aiming to facilitate system optimization and visualize the critical aspects of optical performance. The simulation results are demonstrated and discussed. Analysis results demonstrate that the design strategies proposed in this paper have been shown to be effective in reducing distortion as well as improving optical performance. We envision that the proposed design schemes will have a positive effect on research and application values for wide angle lens system.

关键词： lens system design optical systems geometric optical design aspherics

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Finding starting points analytically for optical system optimization

Finding starting points analytically for optical system opti...

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conference on current developments in lens design and optical engineering XIII

作者： Bociort, F. van Grol, P. Delft Univ Technol Opt Res Grp NL-2628 CJ Delft Netherlands

ISBN: (纸本)9780819492036

Understanding the structure of the design space in optical system optimization is difficult, because common human intuition fails when it encounters the challenge of high dimensionality, resulting from the many optimization parameters of lens systems. However, a deep mathematical idea, that critical points structure the properties of the space around them, is fruitful in lens design as well. Here we discuss simple systems, triplets with curvatures as variables, for which the design space is still simple enough to be studied in detail, but complex enough to be non-trivial. A one-to-one correspondence between the possible design shapes and the critical points resulting from a simplified model based on third-order spherical aberration within the framework of thin-lens theory could lead in the future to a new way to determine good starting points for subsequent local optimization.

关键词： saddle point critical point global optimization optical system design

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design study of a 2.2x zoom lens using plastic materials

Design study of a 2.2x zoom lens using plastic materials

引用

conference on current developments in lens design and optical Systems engineering

作者： Shi, WM Newell, MP Fischer, RE OPT 1 Inc Westlake Village CA 91362 USA

No abstract available.

ISBN: (纸本)0819437387

No abstract available.

关键词： Zoom lenses Distortion Glasses Aspheric lenses lens design Vignetting Chemical elements Cameras Plastic lenses Chromatic aberrations

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optical schemes for compact space objectives 18

Optical schemes for compact space objectives

引用

conference on current developments in lens design and optical engineering XVIII

作者： Butylkina, K. D. Romanova, G. E. Bakholdin, A., V ITMO Univ 49 Kronverksky Pr St Petersburg 197101 Russia

ISBN: (纸本)9781510612082;9781510612075

The most widely used objectives for the space optics are mirror and catadioptric systems. We have considered several scheme types including the three-mirror schemes both of the Korsch-type and the systems without an intermediate image and compare them from the point of view of packaging conditions, image quality and achievable characteristics. The two-mirror systems with lens correctors are also analyzed. The optical layout and parameters of several variants are presented and the image quality is shown.

关键词： three-mirror systems Korsch scheme lens correctors optical systems design

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A compact and cost effective design for cell phone zoom lens

A compact and cost effective design for cell phone zoom lens

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conference on current developments in lens design and optical engineering VIII

作者： Chang, Chir-Weei Wu, Ching-Chin Ind Technol Res Inst Elect & Optoelect Res Labs 195Sec 4Chung Hsing Rd Hsinchu 310 Taiwan EFUN Technol Co Ltd Tainan 70955 Taiwan

ISBN: (纸本)9780819468154

A compact zoom lens design for cell phone is presented. A three groups lens system with five lens element is designed for cell phone camera with 3M pixels and 2.5 similar to 3X optical zoom. The first lens is a negative lens with a concave surface facing the object so that, when used for a long focal length, the rear principle plane is moved forwards to shorten the total length of the lens. A positive lens group composed of three lens elements is arranged at the second lens group. By control the optical power of the second lens group, the distortion can be reduced and also shortens the moving distance of the second lens group while zooming. The fifth lens in the third lens group is a positive lens to control the incident angle entering the photosensitive element. It is used for focusing when the object distance has changed.

关键词： zoom lens cell phone total track length

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