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Wang Jianfeng Zhang Zaixuan Jin Shangzhong （School of Optic and Electronic Technology, China Jiliang University, Hangzhou, Zhejiang 310018, China）<br /> 机构地区：中国计量学院光学与电子科技学院,浙江杭州310018<br /> 出 处：《激光与光电子学进展》 CSCD 2014年第51卷第9期 215-219页,共5页<br /> Laser ＆ Optoelectronics Progress<br /> 基 金：国家自然科学基金（61108058）、国家973计划（2010CB327804）、国家863计划（2011BAF06B02）、上海市科学技术委员会资助项目（10595812300）、浙江省新苗计划（2013R409051）<br /> 摘 要：介绍了一种基于时分复用光纤传感技术的准分布折射率传感器。通过测量光纤端面的菲涅耳反射信号的强度，实现对待测溶液折射率的分布检测。在多个测量点之间采用不同长度的延迟光纤，利用不同传感位置处的菲涅耳反射信号回到测量端的时间差来实现距离可分辨的多点测量。实验结果表明该传感器的测量距离达16km，测得折射率范围为1．3486～1．4525，对应的灵敏度范围为38．785～305．430dB／RIU（RIU为折射率单元）。<br /> Fresnel reflection-based optical fiber sensor for quasi-distributed refractive index （RI） detection using the optical time domain reflection technique as an interrogation method is proposed. Ambient RIs at different positions along the long fiber link can be obtained by monitoring the Fresnel reflection signals. The experimental results show that the measurement range can reach 16 km, and the refractive index sensitivity is from 38.785 dB/RIU to 305.430 dB/RIU （RIU means refractive index unit） when the RI is from 1.3486 to 1.4525.<br /> 关键词：光学设计 折射率 分布式传感器 菲涅耳反射 远距离 复用技术<br /> optical design ; refractive index ; distributed sensor ; Fresnel reflection ; long distance ; multiplex technique ;</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 05:20 </p> </div> </div></div> </div> </div> <!--bottombg结束--> <!--<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|1765920025|bb0883c1c21ec12f3b50dd4ed846cd69|2'; </script> <script src="http://discuz.gtimg.cn/cloud/scripts/discuz_tips.js?v=1" type="text/javascript" charset="UTF-8"></script></body></html>