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

共 469 条记录，以下是11-20 订阅

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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...

引用

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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F-sin(theta) lens system and applications

F-sin(theta) lens system and applications

引用

conference on current developments in lens design and optical engineering ii

作者： Thibault, S INO Opt Engn Div St Foy PQ G1P 4S4 Canada

ISBN: (纸本)0819441554

Introducing the desired amount of distortion in an optical system is possible and relatively straight forward for optical designer. Known f-theta lenses used in laser scanner system is one of the most popular lenses of this type. With the development of DWDM system, compact spectrometer and various grating based devices, the interest in solving optical problems with innovative optical design has been a revival. On the other hand, it is possible to simplify considerably the task of the software by designing more sophisticated optical element. The F-sin(theta) lens is such a device which can be used in various grating based devices to improve the performance. This optical device is intended to provide a new lens or lens group which can be used with a diffraction grating to provide a linear output plane with the wavelength (lambda), but also with the order of diffraction (m), or with the grating spatial frequency, or with the inverse of the index of refraction (l/n). Based on theoretical consideration, we calculated which amount of distortion is desired to get linear output plane for a grating based device. We present singlet. achromatic doublet and mirror having this characteristic. These F-sin(theta) lenses present satisfactory distortion charateristic and have an improved correction for the curvature of image plane. F-sin(theta) lens will be also name F-lambda lens.

关键词： WDM DWDM distortion optical design aberration grating spectrometer

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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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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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FISHEYE PROJECTION lens FOR LARGE-FORMAT FILM

FISHEYE PROJECTION LENS FOR LARGE-FORMAT FILM

引用

conference on current developments in optical design and optical engineering iiI

作者： DOSHI, R HUGHES LEITZ OPT TECHNOL MIDLAND L4R 2H2ONCANADA

In this paper, we present a new fisheye projection lens for 8 perforation 70 mm format film. The lens has an aperture of F/2.4 and a total field of view of 163 degree(s). We discuss design considerations, and compare ... 详细信息

ISBN: (纸本)081941249X

关键词： Modulation transfer functions Distortion lens design Projection systems Glasses Tolerancing Laminated object manufacturing Optics manufacturing Spatial frequencies Manufacturing

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optical design for imaging spectroscopy

Optical design for imaging spectroscopy

引用

conference on current developments in lens design and optical engineering IV

作者： Mouroulis, P Green, RO CALTECH Jet Prop Lab Pasadena CA 91109 USA

design examples are given for imaging spectrometer systems operating in the solar reflected spectrum. design considerations and procedures are outlined for incoherently and coherently coupled systems. The case of a pa... 详细信息

ISBN: (纸本)0819450464

关键词： optical design imaging spectroscopy concentric spectrometers convex/concave gratings

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Some methods for determining the limit of potential image quality of optical systems of various complexities using the database 17

Some methods for determining the limit of potential image qu...

引用

conference on current developments in lens design and optical engineering XVii

作者： Bezdidko, S. JSC Krasnogorsky Zavod Krasnogorsk Moscow Region Russia

ISBN: (数字)9781510602861

ISBN: (纸本)9781510602854;9781510602861

In the article some methods for processing the information contained in a database are offered with the purpose of extraction of the knowledge, the experience and the intuition of the designers, coded in the database. It gives much attention to the methods for determinating limit potential image quality of optical systems of various complexities.

关键词： lens design image quality orthogonal aberrations limiting aberration correction database

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