A graphene‐based tunable miniaturized‐element frequency selective surface in terahertz band and its application in high‐isolation multiple‐input multiple‐output system

Luo Yanbin; Zeng Qingsheng; Yan Xin; Hu Nan; Xie Wenqing; Wu Yong; Lu Qichao; Zhang Xia

摘要

Abstract >Graphene is a promising material for terahertz (THz) reconfigurable devices due to the tunability of the surface conductivity. Here, a graphene‐based THz miniaturized‐element tunable band‐stop frequency selective surface (FSS) is demonstrated. The proposed FSS unit cell consists of convoluted metallic strips with graphene embedded between adjacent metallic strips. The center resonance frequency of the stop band shows an obvious blue shift from 1.76 to 2.56?THz when increasing the chemical potential of the graphene from 0 to 0.5 eV. Particularly, the convoluted design leads to an ultra‐small cell dimension of 11.73% of the free space wavelength at resonance frequency (1.76?THz). In addition, the positive role of the proposed FSS in enhancing the isolation of the multiple‐input multiple‐output (MIMO) system has been verified through two simple models. This work provides an effective method to design miniaturized‐element graphene‐based tunable FSSs, and gives a simple way to realize high‐isolation MIMO systems. </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> >石墨烯是由于表面电导率的可调谐性的可重新配置装置的令人欣赏的材料。这里，对基于石墨烯的THz小型化元件可调带停止频率选择性表面（FSS）进行说明。所提出的FSS单元电池由具有嵌入相邻金属条之间的石墨烯的复杂的金属条组成。当将石墨烯的化学电位从0到0.5eV增加，止动杆的中心谐振频率显示出从1.76到2.56ΔTHz的明显蓝色偏移。特别地，卷积设计导致谐振频率（1.76≤THz）处的自由空间波长的超小细胞尺寸为11.73％。此外，通过两个简单的模型验证了所提出的FSS在增强多输入多输出（MIMO）系统中的隔离方面的积极作用。这项工作提供了一种设计小型化元素石墨烯的可调式FSS的有效方法，并提供了一种实现高隔离MIMO系统的简单方法。</ 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>2019年第12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=Luo Yanbin&option=202" target="_blank" rel="nofollow">Luo Yanbin;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Zeng Qingsheng&option=202" target="_blank" rel="nofollow">Zeng Qingsheng;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Yan Xin&option=202" target="_blank" rel="nofollow">Yan Xin;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Hu Nan&option=202" target="_blank" rel="nofollow">Hu Nan;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Xie Wenqing&option=202" target="_blank" rel="nofollow">Xie Wenqing;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Wu Yong&option=202" target="_blank" rel="nofollow">Wu Yong;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Lu Qichao&option=202" target="_blank" rel="nofollow">Lu Qichao;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Zhang Xia&option=202" target="_blank" rel="nofollow">Zhang Xia;</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>State Key Laboratory of Information Photonics and Optical Communications Beijing University of Posts and TelecommunicationsBeijing China;</p> <p>College of Astronautics Nanjing University of Aeronautics and AstronauticsNanjing China;</p> <p>State Key Laboratory of Information Photonics and Optical Communications Beijing University of Posts and TelecommunicationsBeijing China;</p> <p>A‐INFO Inc.Beijing China;</p> <p>A‐INFO Inc.Beijing China;</p> <p>College of Astronautics Nanjing University of Aeronautics and AstronauticsNanjing China;</p> <p>State Key Laboratory of Information Photonics and Optical Communications Beijing University of Posts and TelecommunicationsBeijing China;</p> <p>State Key Laboratory of Information Photonics and Optical Communications Beijing University of Posts and TelecommunicationsBeijing 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=frequency selective surface&option=203" rel="nofollow">frequency selective surface;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=graphene&option=203" rel="nofollow">graphene;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=isolation enhancement&option=203" rel="nofollow">isolation enhancement;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=MIMO&option=203" rel="nofollow">MIMO;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=terahertz&option=203" rel="nofollow">terahertz;</a> </p> <div class="translation"> 机译：频率选择表面;石墨烯;隔离增强;MIMO;太赫兹; </div> 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DENG He-qi</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=邓鹤栖&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">,邓鹤栖</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=HUANG Jian&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">,HUANG Jian</a> <span> <a href="/conference-cn-8247/" target="_blank" rel="nofollow" class="tuijian_authcolor"> . 2012毫米波亚毫米波会议 </a> <span> <span> . 2012</span> </span> </div> </li> <li> <div> <b>7. </b><a class="enjiyixqcontent" href="/academic-degree-domestic_mphd_thesis/020314392657.html">基于频率选择表面的高功率太赫兹带阻滤波器研究</a> <b>[A] </b> <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=庄乾萌&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor"> . 庄乾萌</a> <span> . 2016</span> </span> </div> </li> </ul> <ul style="display: none;"> <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/patent-detail/06120112755507.html">太赫兹超材料吸收器及基于太赫兹超材料吸收器的辣椒提取液中痕量IAA的定量检测方法</a> <b>[P]</b> . <span> 中国专利： CN112803172A </span> <span> . 2021-05-14</span> </div> </li> <li> <div> <b>2. </b><a class="enjiyixqcontent" href="/patent-detail/06120112379543.html">太赫兹超材料吸收器及基于太赫兹超材料吸收器的辣椒提取液中痕量IAA的定量检测方法</a> <b>[P]</b> . <span> 中国专利： CN112397907A </span> <span> . 2021-02-23</span> </div> </li> <li> <div> <b>3. </b><a class="enjiyixqcontent" href="/patent-detail/06130407300264.html">Multi-band monopole planar antennas configured to facilitate improved radio frequency (RF) isolation in multiple-input multiple-output (MIMO) antenna arrangement</a> <b>[P]</b> . <span> 外国专利：  US10096909B2 </span> <span> . 2018-10-09</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：多频带单极平面天线，配置为在多输入多输出（MIMO）天线布置中促进改善的射频（RF）隔离 </span> </p> </li> <li> <div> <b>4. </b><a class="enjiyixqcontent" href="/patent-detail/06130410141332.html">MULTI-BAND MONOPOLE PLANAR ANTENNAS CONFIGURED TO FACILITATE IMPROVED RADIO FREQUENCY (RF) ISOLATION IN MULTIPLE-INPUT MULTIPLE-OUTPUT (MIMO) ANTENNA ARRANGEMENT</a> <b>[P]</b> . <span> 外国专利：  US2017207548A1 </span> <span> . 2017-07-20</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：多带单极平面天线经配置可在多输入多输出（MIMO）天线布置中促进改进的射频（RF）隔离 </span> </p> </li> <li> <div> <b>5. </b><a class="enjiyixqcontent" href="/patent-detail/06130411702278.html">MULTI-BAND MONOPOLE PLANAR ANTENNAS CONFIGURED TO FACILITATE IMPROVED RADIO FREQUENCY (RF) ISOLATION IN MULTIPLE-INPUT MULTIPLE-OUTPUT (MIMO) ANTENNA ARRANGEMENT</a> <b>[P]</b> . <span> 外国专利：  WO2016071902A1 </span> <span> . 2016-05-12</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：多带单极平面天线经配置可在多输入多输出（MIMO）天线布置中促进改进的射频（RF）隔离 </span> </p> </li> </ul> </div> </div> </div> <div class="theme cardcommon" style="overflow: auto;display:none"> <h3 class="all_title" id="enpatent55">相关主题</h3> <ul id="subject"> </ul> </div> </div> </div> </div> <div class="right rightcon"> <div class="details_img cardcommon clearfix" style="margin-bottom: 10px;display:none;" > </div> </div> </div> <div id="thesis_get_original1" class="downloadBth" style="bottom: 19px;z-index: 999;" onclick="ywcd('0704019948553','4',7,2,1,'',this,24)" class="delivery" prompt="010401" title="通过人工服务将文献原文发送至邮箱" >获取原文</div> <div class="journalsub-pop-up" style="display: none"> <div class="journal-sub"> <h2>期刊订阅</h2> <img src="https://cdn.zhangqiaokeyan.com/img/loginclose.png" alt="关闭" onclick="$('.journalsub-pop-up').hide()"> <p class="pardon">抱歉，该期刊暂不可订阅，敬请期待！</p> <p class="current">目前支持订阅全部北京大学中文核心（2020）期刊目录。</p> <div style="display: flex;margin-top: 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