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检索条件"任意字段=Recent Trends in Optical Systems Design and Computer Lens Design Workshop II 1989"

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recent trends in optical systems design and computer lens design workshop ii

Recent Trends in Optical Systems Design and Computer Lens De...

引用

recent trends in optical systems design and computer lens design workshop ii 1989

The proceedings contain 22 papers. The topics discussed include: the current future of lens design;energy ray tracing;interactive tolerance analysis using optimization error functions;athermalisation of infrared optics: a review;the design of a thermal infrared optical systems;design of wideband catadioptic telescope;optical design for manufacture;automation of cost control during optimization;applications of ophthalmic optics;explorations in eccentric pupil telescopes;direct ray field and intensity calculation in lens systems and its application to flare and ghost reduction;and polarization aberrations of an overhead projector.

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I plead the 5th

I plead the 5th

引用

recent trends in optical systems design and computer lens design workshop ii 1989

作者： Shafer, David David Shafer Optical Design 56 Drake Lane FairfieldCT06430 United States

Several different reasons are given as to why it is vital to have 5th-order aberration capabilities in a computer program in order to have a realistic chance at making substantial performance improvements over existin... 详细信息

关键词： optical engineering

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I claim trial by peers

I claim trial by peers

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recent trends in optical systems design and computer lens design workshop ii 1989

作者： Hoogland, Jan Optical Design Consultant 8982 N. Applegate Road Grants PassOR97527 United States

The domain of optical design is vast and complex due to the diversity of applications, the large number of lenstypes, as well as to the even larger variety of operating conditions. The use of standardized aberration coefficients is suggested to gain control over this domain. A method to this effect is outlined and some examples are given. © 1989 SPIE. All rights reserved.

关键词： optical design

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The design of athermal infrared optical systems

The design of athermal infrared optical systems

引用

recent trends in optical systems design and computer lens design workshop ii 1989

作者： Garcia-Nuñez, Dawn S. Michika, David Ford Aerospace Corporation Ford Road Newport BeachCA92658 United States

This paper will discuss the design techniques to athermalize infrared optical systems. The discussion will focus on specific state-of-the-art tactical weapon applications for thermally compensated optical imaging systems. The main objective is to athermalize the system by choosing the correct mounting materials without the use of active mechanisms such as electronic motor or liquid bellows lens focus drives. Two specific designs with their advantages and disadvantages will be discussed - a catadioptric imaging system and an all refractive imaging system. © 1989 SPIE. All rights reserved.

关键词： Imaging systems

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The current future of lens design

The current future of lens design

引用

recent trends in optical systems design and computer lens design workshop ii 1989

作者： Shannon, R.R. Optical Sciences Center University of Arizona TucsonAZ United States

There are several approaches to the use of artificial intelligence. Programmed reasoning on the basis of a set of rules for identifying possible options at a given stage of the design process is the primary application. If the application were successful, then there would be no need for a human designer. Unfortunately, the rules for optical design are not really well codified, and there does not seem to be a realistic expectation that there will ever be a universal code for "hands off lens design. Therefore, any application must be built upon a limited bank of experience. This implies that some portions of the process will likely benefit from AI approaches. © 1989 SPIE. All rights reserved.

关键词： optical design

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optical design for manufacture

Optical design for manufacture

引用

recent trends in optical systems design and computer lens design workshop ii 1989

作者： Willey, Ronald R. Opto Mechanik Inc. P. O. Box 361907 MelbourneFL32935 United States

Many factors beyond the optimization of radii, thicknesses, and glasses are critical to the optical system design task if a practical system is to be produced. We review the common factors and some that may not have been so obvious. We relate some specific examples from our experience. The designer is encouraged to keep various factors in mind when designing for manufacture with the aim of making cost effective designs. © 1989 SPIE. All rights reserved.

关键词： optical design

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Applications of ophthalmic optics

Applications of ophthalmic optics

引用

recent trends in optical systems design and computer lens design workshop ii 1989

作者： Cohn, Brian D. Optics 1 Inc. 3625 Thousand Oaks Blvd. Westlake VillageCA91362 United States

In the realm of fabrication of optical elements, one often overlooks one of the largest sources of optical components;the ophthalmic optician. Within the tolerances which the ophthalmic optician can operate, he can provide finished elements very quickly and inexpensively. Additionally, the ophthalmic optician routinely makes toric surfaces, a service which more conventional optical fabrication facilities cannot provide. © 1989 SPIE. All rights reserved.

关键词： optical engineering

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Interactive tolerance analysis using optimization error functions

Interactive tolerance analysis using optimization error func...

引用

recent trends in optical systems design and computer lens design workshop ii 1989

作者： McLaughlin, Paul O. Sinclair Optics Inc. 6780 Palmyra Road FairportNY14450 United States

We have developed an interactive tolerancing capability for our optical design program, using the optimization error function as the performance criterion. The implementation was carried out using the program's built-in command language, and allows evaluation based on either the error function used during the actual design phase or a standard criterion (magnification, distortion, rms spotsize or wavefront error, etc.). This approach is more flexible than schemes that permit only pre-defined criteria. © 1989 SPIE. All rights reserved.

关键词： optical design

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An optical-design error function using Gaussian integration

An optical-design error function using Gaussian integration

引用

recent trends in optical systems design and computer lens design workshop ii 1989

作者： Sinclair, Douglas C. McLaughlin, Paul O. Sinclair Optics Inc. 6780 Palmyra Road FairportNY14450 United States

We have used the Gaussian-integration techniques described by Forbes to build a default error function for our optical design program. To make the function suitable for practical design, we have added ad-hoc extensions that account for vignetting and allow for a variety of user-defined weights. We have now acquired about a year's experience in using the function to design several different systems. Our results have been generally good, and we have recently extended the function to provide additional control over astigmatic aberrations. © 1989 SPIE. All rights reserved.

关键词： optical design

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Aberrations: Their effect on off-axis beam steering

Aberrations: Their effect on off-axis beam steering

引用

recent trends in optical systems design and computer lens design workshop ii 1989

作者： Walton, C.N. Lupo, J.A. Rogers, S.K. Air Force Institute of Technology Wright-Patterson AFBOH45433 United States Air Force Weapons Laboratory Kirtland AFBNM87117 United States

The effect of aberrations on off-axis beam steering for multi-aperture systems was qualitatively investigated. A new expression analogous to Goodman's Thin lens is proposed which shows the beam degradation that occurrs at angles (with respect to the optic axis) much greater than five degrees for a thin lens, and two degrees for a thick lens. This expression was then applied to three multi-aperture configurations as a way to correctly predict the field-of-view for various optical systems. Analytical predictions supported by computational and experimental results are included. Although the beam degradation as the field-of-view or field angle is increased has a dramatic effect on the image quality, the power loss as the field angle increases will be the major factor in the design of a system of this type. © 1989 SPIE. All rights reserved.

关键词： optical systems

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