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Wensheng （1. Photoelectric Engineering College, Changchun University of Science and Technology, Changchun 130022,China; 2. Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033 ,China）<br /> 机构地区：[1]长春理工大学光电工程学院,长春130022 [2]中国科学院长春光学精密机械与物理研究所,长春130033<br /> 出 处：《激光技术》 CSCD 2015年第39卷第2期 242-246页,共5页<br /> Laser Technology<br /> 基 金：总装备部预研局十二五基金资助项目<br /> 摘 要：为了满足刑侦过程中紫外光学系统远距离搜索、近距离拍照的需求,采用二元衍射元件和非球面元件,设计了一种日盲紫外机械补偿变焦光学系统,其中焦距为40mm-80mm,F数为4,工作波段为0.24μm-0.28μm。选用S8844-0909型2.54cm紫外CCD,像元尺寸为24μm×24μm,对应视场角为6°-12°。系统由7块透镜组成,结构简单、体积小巧。结果表明,在整个变焦范围内,后截距10mm处,截止空间频率21cycles/mm时,各视场的光学调制传递函数均在0.7以上,接近衍射受限曲线,畸变小于5%,像质优良,像面稳定。该设计能满足光学系统的总体设计要求。<br /> In order to search at long distance and take photos at short distance in criminal investigation,a mechanicalcompensation solar blind ultraviolet zoom lens system was designed with binary diffractive elements and aspherical elements. Its zooming region was 40mm - 80mm with F number of 4,operating at 0. 24μm - 0. 28μm wavelength. The2. 54 cm S8844-0909 ultraviolet CCD was selected as a sensor with pixel size of 24μm × 24μm and corresponding field of view of 6° - 12°. The optical system was composed of seven lenses with simple structure and small size. The results show that in full zooming range,MTF over all fields of view is above 0. 7 at back focus length of 10mm and cut off frequency of21 cycles / mm,close to the diffraction-limited curve. The distortion is less than 5%. The zoom lens system has good image quality and stable image plane,and meets the overall design requirements of the optical system.<br /> 关键词：光学设计 日盲紫外变焦光学系统 二元光学 非球面<br /> optical design ; solar blind ultraviolet zoom lens ; binary optics ; aspherical surface ;</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 06:47 </p> </div> </div></div> </div> </div> <!--bottombg结束--> <script src="home.php?mod=misc&ac=sendmail&rand=1765925244" 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|1765925244|04d00304ebef51d9ac9abe6e56957f05|2'; </script> <script src="http://discuz.gtimg.cn/cloud/scripts/discuz_tips.js?v=1" type="text/javascript" charset="UTF-8"></script></body></html>