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A graphene‐based tunable negative refractive index metamaterial and its application in dynamic beam‐tilting terahertz antenna

机译：基于石墨烯的可调负折射率超材料及其在动态梁倾斜太赫兹天线的应用

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Abstract >Graphene is emerging as a kind of promising 2D material in designing reconfigurable terahertz (THz) devices owning to its tunability of the surface conductivity, which can be tuned by changing the chemical potential. In this work, we demonstrated a graphene‐based THz tunable negative refractive index metamaterial. The proposed metamaterial unit consists of a metallic resonant structure and embedded graphene, which presents a dynamic negative refractive index in the corresponding bands by modulating the chemical potential of the embedded graphene. In addition, a dynamic beam‐tilting antenna loaded with the metamaterial‐based stacked configuration has been designed. Through changing the refractive index of the metamaterial or the number of layers in the stacked configuration, the steering angle can be adjusted from 0° to ?27°. This work demonstrates the great potential of graphene in THz tunable negative refractive index materials, provides a classic case about the practical application of controllable negative refractive index, and also gives an effective way to design dynamic beam‐tilting antenna. </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> >石墨烯作为一种有希望的2D材料，用于设计其具有其表面电导率的可调性的可重构的太赫兹（THz）装置，可以通过改变化学势来调谐。在这项工作中，我们证明了基于石墨烯的THz可调负折射率超材料。所提出的超材料单元包括金属谐振结构和嵌入的石墨烯，通过调节嵌入的石墨烯的化学电位，在相应的带中呈现动态负折射率。此外，设计了装载有基于超材料的堆叠配置的动态光束倾斜天线。通过改变超材料的折射率或堆叠配置中的层数，转向角可以从0°调节到27°。这项工作展示了石墨烯在THz可调负折射率材料中的巨大潜力，提供了关于可控负折射率的实际应用的经典案例，并且还提供了设计动态光束倾斜天线的有效方法。</ 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7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=Jiang Tao&option=202" target="_blank" rel="nofollow">Jiang Tao;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Yang Rongcao&option=202" target="_blank" rel="nofollow">Yang Rongcao;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Wang Jiayun&option=202" target="_blank" rel="nofollow">Wang Jiayun;</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 CommunicationsBeijing University of Posts and TelecommunicationsBeijing China;</p> <p>College of AstronauticsNanjing University of Aeronautics and AstronauticsNanjing China;</p> <p>State Key Laboratory of Information Photonics and Optical CommunicationsBeijing University of Posts and TelecommunicationsBeijing China;</p> <p>College of Information and Communication EngineeringHarbin Engineering UniversityHarbin China;</p> <p>College of Physics and Electronics EngineeringShanxi UniversityTaiyuan China;</p> <p>College of Physics and Electronics EngineeringShanxi UniversityTaiyuan China;</p> <p>College of AstronauticsNanjing University of Aeronautics and AstronauticsNanjing China;</p> <p>State Key Laboratory of Information Photonics and Optical CommunicationsBeijing University of Posts and TelecommunicationsBeijing China;</p> <p>State Key Laboratory of Information Photonics and Optical CommunicationsBeijing 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=beam‐tilting antenna&option=203" rel="nofollow">beam‐tilting antenna;</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=metamaterial&option=203" rel="nofollow">metamaterial;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=reconfigurable&option=203" rel="nofollow">reconfigurable;</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：光束倾斜天线;石墨烯;超材料;可重新配置;太赫兹; </div> </li> </ul> </div> </div> <div class="literature cardcommon"> <div class="similarity "> <h3 class="all_title" id="enpatent66">相似文献</h3> <div class="similaritytab clearfix"> <ul> <li class="active" >外文文献</li> <li >中文文献</li> <li >专利</li> </ul> </div> <div class="similarity_details"> <ul > <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/journal-foreign-detail/0704019948791.html">A graphene‐based tunable negative refractive index metamaterial and its application in dynamic beam‐tilting terahertz antenna</a> <b>[J]</b> 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