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Temperature sensing scheme based on fiber ring microwave photonic filter with erbium doped fiber amplification

机译：基于纤维环微波光学滤波器掺铒光纤放大的温度传感方案

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Abstract >The temperature sensing scheme based on fiber ring microwave photonic filter (MPF) with erbium doped fiber amplification (EDFA) is proposed and experimentally demonstrated. The fiber ring is used as the time delay element, as well as a sensing element, and by introducing an EDFA to compensate the loss in the fiber ring, the number of the effective sampling taps and thus the suppression ratio are increased. When the EDFA power is set at 0.74?mW, the 3 dB bandwidth of the passband and suppression ratio of the MPF are estimated to be 82.5 kHz, and 15?dB, respectively. The superior sharp passband characteristics make the fiber ring MPF with an EDFA very advantageous for sensing. In our experiment, temperature sensing by using the fiber ring MPF with an EDFA has been carried out for demonstration. The temperature variations induce refractive index changes of the fiber, which will change the time delay of each tap of the fiber ring MPF, and as a result, the FSR of the MPF will be changed. By tracing the peak point shift of the MPF's passband, the temperature variations can be monitored. Our experimental results show that there is a good linear relationship between temperature change and frequency shift, and by measuring passbands with different frequencies, different sensitivity can be obtained. In our experiment, the sensitivity is estimated to be ?5.89, ?11.74, and ??17.7 kHz/°C, respectively, when the passbands at 0.8, 1.6, and 2.4 GHz are adopted for temperature monitoring. </abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> <div class="translation abstracttxt"> <span class="zhankaihshouqi fivelineshidden" id="abstract"> <span>机译：</span><abstract type =“main”xml：lang =“en”> <标题类型=“main”>抽象</ title> 提出了基于掺铒光纤放大（EDFA）的光纤微波光学滤光器（MPF）的温度传感方案，并实验证明。光纤环用作时间延迟元件，以及传感元件，并通过引入EDFA以补偿光纤环中的损耗，有效采样抽头的数量并因此增加抑制比。当EDFA电源设定为0.74Ω时，MPF的通带和抑制比的3 dB带宽分别估计为82.5kHz和15 kHz。优越的尖锐通带特性使纤维环MPF具有非常有利的感测的EDFA。在我们的实验中，已经进行了使用EDFA的纤维环MPF的温度感测进行演示。温度变化诱导光纤的折射率变化，这将改变光纤环MPF的每个抽头的时间延迟，结果将改变MPF的FSR。通过跟踪MPF通带的峰值偏移，可以监控温度变化。我们的实验结果表明，温度变化和频移之间存在良好的线性关系，并且通过测量具有不同频率的通带，可以获得不同的灵敏度。在我们的实验中，当采用0.8,1.6和2.4GHz的通带进行温度监测时，估计敏感性分别为？5.89，？11.74，以及17.7 kHz /°C。</ p> </摘要> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> </div> <div class="record"> <h2 class="all_title" id="enpatent33" >著录项</h2> <ul> <li> <span class="lefttit">来源</span> <div style="width: 86%;vertical-align: text-top;display: inline-block;"> <a href='/journal-foreign-24977/'>《Microwave and optical technology letters》</a> <b style="margin: 0 2px;">|</b><span>2020年第4期</span><b style="margin: 0 2px;">|</b><span>共6页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Yang Shangwu&option=202" target="_blank" rel="nofollow">Yang Shangwu;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Xiang Zhuowei&option=202" target="_blank" rel="nofollow">Xiang Zhuowei;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Fu Hongyan&option=202" target="_blank" rel="nofollow">Fu Hongyan;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Wang Yunfeng&option=202" target="_blank" rel="nofollow">Wang Yunfeng;</a> </p> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zkzz" style="display: none;">展开▼</span> </div> </li> <li> <div style="display: flex;"> <span class="lefttit">作者单位</span> <div style="position: relative;margin-left: 3px;max-width: 639px;"> <div class="threelineshidden zhankaihshouqi" id="fOrgthree"> <p>Department of Electronic EngineeringSchool of Electronic Science and Engineering (National Model Microelectronics College) Xiamen UniversityXiamen China;</p> <p>Department of Electronic EngineeringSchool of Electronic Science and Engineering (National Model Microelectronics College) Xiamen UniversityXiamen China;</p> <p>Department of Electronic EngineeringSchool of Electronic Science and Engineering (National Model Microelectronics College) Xiamen UniversityXiamen China;</p> <p>Department of Electronic EngineeringSchool of Electronic Science and Engineering (National Model Microelectronics College) Xiamen UniversityXiamen China;</p> </div> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zhdw" style="display: none;">展开▼</span> </div> </div> </li> <li > <span class="lefttit">收录信息</span> <span style="width: 86%;vertical-align: text-top;display: inline-block;"></span> </li> <li> <span class="lefttit">原文格式</span> <span>PDF</span> </li> <li> <span class="lefttit">正文语种</span> <span>eng</span> </li> <li> <span class="lefttit">中图分类</span> <span><a href="https://www.zhangqiaokeyan.com/clc/1165.html" title="光学">光学;</a></span> </li> <li class="antistop"> <span class="lefttit">关键词</span> <p style="width: 86%;vertical-align: text-top;"> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=fiber ring&option=203" rel="nofollow">fiber ring;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=fiber‐optic sensors&option=203" rel="nofollow">fiber‐optic sensors;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=microwave photonic filter&option=203" rel="nofollow">microwave photonic filter;</a> </p> <div class="translation"> 机译：纤维环;光纤传感器;微波光子过滤器; 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href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=吴建辉&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor"> . 吴建辉</a> <span> <a href="/conference-cn-34468/" target="_blank" rel="nofollow" class="tuijian_authcolor"> . 全国第8次光纤通信暨第9届集成光学学术会议 </a> <span> <span> . 1997</span> </span> </div> </li> <li> <div> <b>7. </b><a class="enjiyixqcontent" href="/academic-degree-domestic_mphd_thesis/020314696151.html">基于Fabry-Perot可调谐光滤波器和掺铒光纤放大器的光纤传感技术研究</a> <b>[A] </b> <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=刘琨&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor"> . 刘琨</a> <span> . 2008</span> </span> </div> </li> </ul> <ul style="display: none;"> <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/patent-detail/06120108710658.html">基于MZ干涉仪与掺铒光纤光栅环级联的平坦微波光子滤波器</a> <b>[P]</b> . <span> 中国专利： CN106226923A </span> <span> . 2016-12-14</span> </div> </li> <li> <div> <b>2. </b><a class="enjiyixqcontent" href="/patent-detail/061204397774.html">基于微波光子滤波器的温度传感解调装置及解调方法</a> <b>[P]</b> . <span> 中国专利： CN109580038B </span> <span> . 2021.05.11</span> </div> </li> <li> <div> <b>3. </b><a class="enjiyixqcontent" href="/patent-detail/06130436792606.html">Raman or erbium-doped fiber laser sensing probe based on fiber Bragg gratings fabricated with few mode fibers for applications to simultaneous measurement of strain and temperature and long-distance remote sensors</a> <b>[P]</b> . <span> 外国专利：  KR100628472B1 </span> <span> . 2006-09-26</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：基于用很少模光纤制造的光纤布拉格光栅的拉曼或掺fabricated光纤激光传感探头，用于同时测量应变和温度以及远距离遥感器 </span> </p> </li> <li> <div> <b>4. </b><a class="enjiyixqcontent" href="/patent-detail/06130437090944.html">RAMAN OR ERBIUM-DOPED FIBER LASER SENSING PROBE BASED ON FIBER BRAGG GRATINGS FABRICATED WITH FEW MODE FIBERS FOR APPLICATIONS TO SIMULTANEOUS MEASUREMENT OF STRAIN AND TEMPERATURE AND LONG-DISTANCE REMOTE SENSORS</a> <b>[P]</b> . <span> 外国专利：  KR20050111884A </span> <span> . 2005-11-29</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：基于光纤布拉格光栅的拉曼或掺FI光纤激光探测探头，光纤光栅配有少量模态光纤，可同时测量应变，温度和远距离远程传感器 </span> </p> </li> <li> <div> <b>5. </b><a class="enjiyixqcontent" href="/patent-detail/06130401764301.html">Hybrid random fiber laser distributed amplification method based on erbium fiber with low doping concentration</a> <b>[P]</b> . <span> 外国专利：  US10491298B2 </span> <span> . 2019-11-26</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：低掺杂浓度的fiber光纤混合随机光纤激光分布式放大方法 </span> </p> </li> </ul> </div> </div> </div> <div class="theme cardcommon" 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