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Key Laboratory of Airborne Optical Imaging and Measurement, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China ; 2. University of Chinese Academy of Sciences, Beijing 100049, China）<br /> 机构地区：[1]中国科学院长春光学精密机械与物理研究所中国科学院航空光学成像与测量重点实验室,吉林长春130033 [2]中国科学院大学,北京100049<br /> 出 处：《光学精密工程》 EI CSCD 2015年第23卷第2期 395-401页,共7页<br /> Optics and Precision Engineering<br /> 基 金：国家973重点基础研究发展计划资助项目（No.2009CB2400603B）; 中国科学院航空光学成像与测量重点实验室研究基金资助项目（No.Y2HCISR126,Y2HCISR123）<br /> 摘 要：考虑红外多波段双视场共光路系统多谱段色差严重且能量透过率低,本文设计了结构简单的红外中波/长波双波段双视场折射系统,实现了成像系统的功能多样性。该系统采用了320pixel×240pixel红外中波和长波双色焦平面阵列探测器,通过引入非球面元件提高了系统校正像差的能力,实现了镜片组的结构性调整。系统包括变焦和二次成像两个子系统,其中变焦系统短焦距为50mm,长焦距为200mm,满足100%冷阑匹配。像质评价结果表明：在17lp/mm处,调制传递函数（MTF）在中波处大于0.5,在长波处两个视场下都接近衍射极限;另外80%左右的能量都能被集中在一个像元上,光谱透过率均匀,且无严重的冷反射现象。优化后的光学系统具有适用范围广,结构紧凑以及成像效果好等优点,在机载光电侦察跟踪设备上有较好的应用前景。<br /> In consideration of the serious chromatic aberration and lower energy transmittance of a multi-band infrared MWIR/LWIR（Medium Wave Infrared/Long Wave Infrared）dual-FOV（Field of View）common-path optical system,a dual-FOV and dual-band common-path refraction optical system is designed to implement the multi functions of the imaging system.The system is based on a cold 320pixel×240pixel MWIR/LWIR dual-band staring focal plane array detector and introduces aspherical optical components to improve its aberration correction ability to adjust the align structure of lenses.The optical system is made up of a zoom subsystem and a secondary imaging subsystem with a 50 mm focal length and a 200 mm focal length and satisfies 100% cold shield efficiency.The image evolution shows that the Modulation Transfer Function（MTF）of LWIR and MWIR is almost reaching the limitof diffraction and greater than 0.5respectively at the spatial frequency of 17lp/mm,and almost 80%of the energy is concentrated at one pixel.In addition,there is no obvious cold reflect phenomena observed,and the optical system has a preferable application foreground in military and civilian opto-electronic detective fields for its wide scopes of application,compact structure,small volume and good imaging.<br /> 关键词：光学设计 红外系统 双视场系统 双波段系统 共光路系统<br /> optical design ; infrared system ; dual-FOV system ; dual-band system ; common-path system ;</div> <div style="height200px;"></div> </div> </div> </div> </div></div> </div> <!--autocomment filter by maxnum--> <div class="ft_wp"> <div id="ft" class=" cl"> <div id="flk" > <p> <a href="http://wpa.qq.com/msgrd?V=3&Uin=20600600&Site=光电工程师社区&Menu=yes&from=discuz" target="_blank" title="QQ"><img src="static/image/common/site_qq.jpg" alt="QQ" /></a><span class="pipe">|</span><a href="http://m.oecr.com" >手机版</a><span class="pipe">|</span><a href="http://so.oecr.com" title="站内搜索" target="_blank" >搜索</a><span class="pipe">|</span><a href="http://www.focaloptics.com" title="主办单位：武汉焦点光学技术有限公司" target="_blank" >焦点光学</a><span class="pipe">|</span><a href="http://www.oecr.com" target="_blank">光电工程师社区</a> ( <a href="http://beian.miit.gov.cn/" target="_blank">鄂ICP备17021725号-1</a> <a href="http://www.beian.gov.cn/portal/registerSystemInfo?recordcode=42011102000821" target="_blank">鄂网安备42011102000821号</a> ) <span id="tcss"></span><script type="text/javascript" src="http://tcss.qq.com/ping.js?v=1eOg" charset="utf-8"></script><script type="text/javascript" reload="1">pgvMain({"discuzParams":{"r2":"1028778","ui":0,"rt":"plugin","pn":1,"qq":"000"},"extraParams":""});</script></p> <p class="xs0"> <span id="debuginfo"> Copyright 2015 光电工程师社区 版权所有 All Rights Reserved. </span> </p> </div> <div id="ftl" > <p>申明：本站为非盈利性公益个人网站，已关闭注册功能，本站所有内容均为网络收集整理，不代表本站立场。如您对某些内容有质疑或不快，请及时联系我们处理！ </p> </div> <div id="frt" > <div class="wp"> <p class="dd01"> © 2001-2022 <a href="http://www.oecr.com" target="_blank">光电工程师社区</a> 网站备案号：<a href="https://beian.miit.gov.cn/">鄂ICP备17021725号</a> 网站公安备案号：<a href="http://www.beian.gov.cn/portal/registerSystemInfo?recordcode=42011102000821">鄂42011102000821号</a> Powered by <a href="http://www.discuz.net" target="_blank">Discuz!</a> <em>X3.2</em> </p><p class="dd02">GMT+8, 2025-12-17 06:10 </p> </div> </div></div> </div> </div> <!--bottombg结束--> <script src="home.php?mod=misc&ac=sendmail&rand=1765923037" type="text/javascript"></script> <!--<div id="scrolltop"> <span hidefocus="true"><a title="返回顶部" onclick="window.scrollTo('0','0')" class="scrolltopa" ><b>返回顶部</b></a></span> </div> --> <div id="scrolltop"> <span hidefocus="true"><a title="返回顶部" onclick="window.scrollTo('0','0')" class="scrolltopa" ><b>返回顶部</b></a></span> </div> <script type="text/javascript">_attachEvent(window, 'scroll', function () { showTopLink(); });checkBlind();</script> <div id="discuz_tips" style="display:none;"></div> <script type="text/javascript"> var tipsinfo = '1028778|X3.2|0.6||0||0|7|1765923037|b708461a836f51bae33fb615370cd421|2'; </script> <script src="http://discuz.gtimg.cn/cloud/scripts/discuz_tips.js?v=1" type="text/javascript" charset="UTF-8"></script></body></html>