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

共 445 条记录，以下是11-20 订阅

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Man versus Machine: a lens design Challenge

Man versus Machine: a Lens Design Challenge

引用

conference on current developments in lens design and optical engineering XIV

作者： Dilworth, Donald C. Shafer, David Optical Systems Design Inc. (United States) David Shafer Optical Design (United States)

After a generation of writing and improving lens design software, it is time to assess where we are. Specifically, can a modern program compete with, or surpass, the best human designers? Here we describe a friendly c... 详细信息

ISBN: (纸本)9780819496911

关键词： lens design global optimization optimization algorithms aberration theory

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25 years of progress in lithographic optics design methods 25

25 years of progress in lithographic optics design methods

引用

conference on current developments in lens design and optical engineering xxV

作者： Shafer, David David Shafer Opt Design Fairfield CT 06824 USA

Several new optical design methods have been developed over the last 25 years for lithographic optics, leading to greatly improved designs.

ISBN: (纸本)9781510679221;9781510679238

Several new optical design methods have been developed over the last 25 years for lithographic optics, leading to greatly improved designs.

关键词： optical lithography aspherics lenses mirrors

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New tools for the lens designer

New tools for the lens designer

引用

conference on current developments in lens design and optical engineering IX

作者： Dilworth, Donald C. Optical Systems Design Inc. (United States)

ISBN: (纸本)9780819472809

Several common impediments to successful lens design can be removed by application of new techniques. These involve using information that has long been calculated during the design process, but then discarded. Problems so addressed include the nuisance of discovering ray failures in the starting configuration, and that of tolerance desensitization, among others.

关键词： lens optimization ray failures tolerance desensitization starting point stop position avoiding strain

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design and Implementation of Recording and Readout System for Micro-holographic optical Data Storage

Design and Implementation of Recording and Readout System fo...

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conference on current developments in lens design and optical engineering XI - and Advances in Thin Film Coatings VI

作者： Takashima, Yuzuru Hesselink, Lambertus Stanford Univ Dept Elect Engn Stanford CA 94305 USA

A lens design having constant working distance while having variable recording depth for micro holographic data storage system has been proposed. Variation of focal length is suppressed for the entire depth within 1% ... 详细信息

ISBN: (纸本)9780819482822

关键词： Holographic Storage Aberrations lens design

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The design of a four-mirror anti-astigmatism astronomical telescope 20

The design of a four-mirror anti-astigmatism astronomical te...

引用

conference on current developments in lens design and optical engineering xx

作者： Huang, Jiun-Woei Taiwan Instrument Res Inst Natl Appl Labs 20 R&D 6 Rd Hsinchu 30076 Taiwan Natl Taiwan Univ Inst Appl Mech 1 Roosevelt Rd4 Sec Taipei 10617 Taiwan

ISBN: (数字)9781510629028

ISBN: (纸本)9781510629028

The design of four mirrors anti-astigmatism astronomical telescope is carried out for low earth orbit satellite. By integrating with Cassagrain and Schwartzschild configurations, the telescope is design. It contains four mirrors with conic surface, to form an aberration free. The system contains two parts: first part is the Cassagrain type telescope for pick up the ground object to the stop position, and the second part is Schwartzschild configurations as relay optics, which is to relay the image to high resolution CCD sensor to provide 0.5 ground space distance image. The system is symmetric with aberration free within a one cubic size fitted for small satellite. The optic mechanical is simple easy to assemble for optical calibration, while the body is rigid in space.

关键词： four mirrors anti-astigmatism astronomical telescope small satellite

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Analytic formulation of a spherochromatic collimator lens 11

Analytic formulation of a spherochromatic collimator lens

引用

conference on current developments in lens design and optical engineering xxI

作者： Gonzalez-Acuna, Rafael G. Gutierrez-Vega, Julio C. Tecnol Monterrey Photon & Math Opt Grp Monterrey Mexico

We introduce a closed-form formula to design a spherochromatic collimator singlet lens. The light for three different wavelengths is collimated at the output of the lens. We test the singlet lens using ray-tracing met... 详细信息

ISBN: (数字)9781510637719

ISBN: (纸本)9781510637719

关键词： optical design aspheric collimator

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A water-polydimethylsiloxane liquid lens for variable focus experiments in an undergraduate laboratory 20

A water-polydimethylsiloxane liquid lens for variable focus ...

引用

conference on current developments in lens design and optical engineering xx

作者： Anonuevo, Johannes F. Guerrero, Raphael A. Ateneo Manila Univ Loyola Hts Sch Sci & Engn Dept Phys Quezon City 1108 Philippines

ISBN: (数字)9781510629028

ISBN: (纸本)9781510629028

Fluidic lenses offer tunability and flexibility that are not available with conventional solid lenses. The development of a variable focus lens has the potential for replacing bulky optical systems and allows the miniaturization of imaging optics used in digital cameras and mobile phone cameras. In this paper, a liquid lens platform for use in an undergraduate laboratory setting is presented. A variable lens is prepared by injecting water into bulk polydimethylsiloxane (PDMS) that remains uncured in its fluid state. We report the tunable focusing ability of this simple liquid lens system and analyze the change in focal length as a function of injected water volume. The water-PDMS interface acts as a diverging lens, in agreement with ray tracing analysis based on curvature and refractive indices. Variable focal lengths are measured with an optical set-up employing a helium-neon laser and a solid converging lens with focal length = 2.5 cm. By increasing the water volume from 0.05 to 0.30 ml, we are able to tune the focal length from -6.5 mm to -10.6 mm. lens geometry remains spherical as the curvature of the lens changes with the addition of water. Our experiments coincide with a simple theoretical framework for a thick lens immersed in a medium. The water-PDMS lens is a promising component of basic and advanced experiments in an undergraduate optics course.

关键词： Liquid lens PDMS Variable focus

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Genetic algorithm and its application in lens design 6

Genetic algorithm and its application in lens design

引用

current developments in optical design and engineering VI conference

作者： Chen, XG Yamamoto, K Olympus Optical Co. Ltd. (Canada) Olympus Optical Co. Ltd. (Japan)

ISBN: (纸本)0819422517

Genetic algorithm and its application in lens design is studied. A new algorithm is presented which includes a genetic algorithm (GA) and damped least square (DLS) method. The convergence property of GA in lens design is demonstrated. A GA. generated design is obtained without artificial intervention. The aberration correction has to be done by DLS, and the result is close to the starting configuration generated by GA.

关键词： genetic algorithm lens design optimization

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ALGEBRAIC APPROACH FOR OPTIMIZING A TRIPLET lens

ALGEBRAIC APPROACH FOR OPTIMIZING A TRIPLET LENS

引用

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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design and implementation of multi-layer and multi-bit micro holographic optical data storage employing blue lasers

Design and implementation of multi-layer and multi-bit micro...

引用

conference on current developments in lens design and optical engineering XIII

作者： Takashima, Yuzuru Hesselink, Lambertus Univ Arizona Coll Opt Sci Tucson AZ 85721 USA

ISBN: (纸本)9780819492036

A zoom objective lens for a multi-layer optical recording has been designed. A newly proposed optical power arrangement enables varying back focal length while focal length invariant by a linear movement of single zooming component. The zoom lens is implemented into multi-layer and multi-bit holographic recording system employing 405 nm blue lasers.

关键词： Objectives optical design Holography Aspheric lenses lens design optical storage Zoom lenses Distance measurement optical components optical recording

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