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检索条件"任意字段=Conference on Current Developments in Lens Design and Optical Engineering XIV"
443 条 记 录,以下是361-370 订阅
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New infrared optical systems using diffractive optics
New infrared optical systems using diffractive optics
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conference on current developments in lens design and optical engineering III
作者: Bigwood, C Thales Opt Ltd St Asaph LL17 0LL Denbigh Wales
A method for computing the polychromatic MTF of hybrid refractive - diffractive elements is described taking into consideration the effects of not only the primary diffraction order but also the effects of additional ... 详细信息
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design considerations for a compact infrared airborne imager to meet alignment and assembly requirements
Design considerations for a compact infrared airborne imager...
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conference on current developments in lens design and optical engineering III
作者: Spencer, HM DRS Sensor Syst Torrance CA USA
Helicopter mounted optical systems require compact packaging, good image performance (approaching the diffraction-limit), and must survive and operate in a rugged shock and thermal environment. The always-present requ... 详细信息
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Novel CNC polishing process for control of form and texture on aspheric surfaces
Novel CNC polishing process for control of form and texture ...
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conference on current developments in lens design and optical engineering III
作者: Walker, DD Beaucamp, ATH Brooks, D Freeman, R King, A McCavana, G Morten, R Riley, D Simms, J UCL Dept Phys & Astron Opt Sci Lab London WC1E 6BT England
We first consider the potential impact of a technology that could deliver polished, accurate aspheric surfaces in a routine and automated manner. We then summarise the technical challenge, and present an appraisal of ... 详细信息
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Reflectivity of the Al-Cr stray-light-absorptive coating
Reflectivity of the Al-Cr stray-light-absorptive coating
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conference on current developments in lens design and optical engineering III
作者: Anisimov, VP Anisimova, IA Moldosanov, KA Skrynnikov, AM Kashirin, VA Kyrgyz Acad Sci Inst Chem & Chem Technol Bishkek 720071 Kyrgyzstan
Results of measurements of the total hemispherical reflectance (THR), emissivity c and solar radiation absorption factor alpha(s) of the Al-Cr stray-light-absorptive coating are reported. This coating was designed to ... 详细信息
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Sphere-shaped durable and isometric diamond powders for super-quality treatment of optical materials
Sphere-shaped durable and isometric diamond powders for supe...
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conference on current developments in lens design and optical engineering III
作者: Samoylova, L Krinskaya, E R&P Co LTD Alkion Kiev Ukraine
For the first time, developed are sphere-shaped precision diamond micropowders ASMV-RM having a number of unique properties - advanced, ordered crystal structure, improved surface morphology, maximal hardening of crys... 详细信息
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Integrated optical design
Integrated optical design
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conference on current developments in lens design and optical engineering II
作者: Forney, P Lockheed Martin Space Syst Co Missiles & Space Operat Ctr Adv Technol Sunnyvale CA 94089 USA
In order to produce an instrument or sensor design in the face of demanding environmental constraints of a spaceborne system, an integrated approach to sensor design has been developed that incorporates design tools f... 详细信息
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Infrared hybrid optics: analysis and implementation
Infrared hybrid optics: analysis and implementation
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conference on current developments in lens design and optical engineering II
作者: Wood, AP THALES Opt Ltd St Asaph LL17 0LL Denbighshire Wales
Hybrid optics offer a valuable aberration correction tool for the lens designer. However, careful consideration must be given to the calculation of the optical performance during the design process, and to the practic... 详细信息
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Linear wavelength spectrometer
Linear wavelength spectrometer
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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
Generally, a spectrometer uses a diffraction grating to spread the spectral components of a light incident on the diffraction grating on a one-dimensional detector. The detector is composed of pixels linearly distribu... 详细信息
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F-sin(theta) lens system and applications
F-sin(theta) lens system and applications
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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
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 o... 详细信息
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Enhancements to the optimisation process in lens design (I)
Enhancements to the optimisation process in lens design (I)
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conference on current developments in lens design and optical engineering II
作者: Schuhmann, R Adams, G The Optical Software Company United Kingdom LINOS Photonics GmbH Germany
Over the years much time has been dedicated to improving lens optimisation routines. Most of the work has been upon the damped least squares (DLS) method. In this paper a number of theoretical and practical enhancemen... 详细信息
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