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基于硅基液晶的可见光光学目标模拟器_光学学报_2006.pdf

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26 5 Vol.26, No.5 2006 5 A CT A OPT ICA SINICA May, 2006 : 0253-2239( 2006) 05-0736-4 基于硅基液晶显示技术的可见光光学目标 模拟器的研制 鲁法珂 李海峰 顾培夫 刘 旭 ( , 310027) : , , , , , , , : ; ; ; : T N94 : A Development of V isible-Light Optical Simulator Based on Liquid Crystal on Silicon Technology Lu Fake Li Haifeng Gu Peifu Liu Xu (St ate Key Laboratory of Modern Optical In stru m entation , Zhejiang Un iversity , Han gzhou 310027) Abstract To offer the true to naturetarget-background images used in the simulation system for homing weapons, a visual-light optical target simulator based on the li uid crystal on silicon ( LCOS) technology is established. The typical output images and measurement method and data of the optical parameter are presented. It is proved that the simulator has more appropriate luminance, higher contrast and better uniformity than other conventional ones. Compared with the cathode ray tube ( CRT) technology, it avoids the flicker problem and offers steady video outputs, which can greatly improve the seekers ability of capturing the goal. So the LCOS technology is an ideal choice for optical simulators. Besides, the calculation method of illumination system based on the double fly eye lens is provided and simple results are gained which can also be used in other illumination systems of proj ection. Key words applied optics; optical target simulator; fly eye lens; li uid crystal on silicon 1 , , ) ) ) , [ 1]
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