| 可弯曲的低损耗太赫兹波导研究进展 |
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| 引用本文： | 高飞,陈立群,冯广智,鲁远甫,杨珺,龚小竞,金雷.可弯曲的低损耗太赫兹波导研究进展[J].激光与光电子学进展,2012(5):38-45. |
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| 作者姓名： | 高飞 陈立群 冯广智 鲁远甫 杨珺 龚小竞 金雷 |
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| 作者单位： | 中国科学院深圳先进技术研究院生物光子中心;中国科学院健康信息学重点实验室 |
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| 基金项目： | 深圳市公共科技项目(SY200806300217A);深圳市科技研发资金项目(JC201005270343A)资助课题 |
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| 摘 要： | 近年来,随着太赫兹(THz)时域光谱系统的发展,THz波导作为用于THz波传输的器件一直都是研究的重点,而寻找低损耗的材料和可弯曲的结构一直是研究人员的目标。介绍了THz时域光谱系统的现状,并总结了传统波导技术应用于THz领域时的一些不足之处。重点介绍了基于三种不同工作原理的新型THz波导,并对比了各自的优缺点,这三种原理分别是金属面反射、介质界面全反射以及反共振反射。最后简要介绍了可弯曲低损耗THz波导的应用现状及后续工作方向。
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| 关 键 词： | 光学器件 波导 太赫兹 亚波长 传输损耗 弯曲损耗 |
Progress of Flexible and Low-Loss Terahertz Waveguides |
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| Gao Fei,Chen Liqun,Feng Guangzhi,Lu Yuanfu,Yang Jun,Gong Xiaojing,Jin Lei.Progress of Flexible and Low-Loss Terahertz Waveguides[J].Laser & Optoelectronics Progress,2012(5):38-45. |
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| Authors: | Gao Fei Chen Liqun Feng Guangzhi Lu Yuanfu Yang Jun Gong Xiaojing Jin Lei |
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| Affiliation: | 1,2 1 Research Centre for Biophotonics,Shenzhen Institutes of Advanced Technology,Chinese Academy of Sciences,Shenzhen,Guangdong 518055,China 2 Key Laboratory for Health Informatics,Chinese Academy of Sciences,Shenzhen,Guangdong 518055,China |
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| Abstract: | Since the terahertz time-domain spectroscopy has been developed,there-has been great interest in the fabrication of terahertz waveguides,especially flexible and low-loss ones.Firstly,terahertz time-domain systems are introduced,and some shortcomings of conventional waveguides are summarized.Three working mechanisms of novel terahertz waveguides are presented in details,including reflection from metal surface,total reflection from the interface of two dielectric media and anti-resonant reflection.Characteristics of these waveguides are discussed.At last,some applications about flexible and low-loss terahertz waveguides are demonstrated,and continuing research is introduced. |
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| Keywords: | optical devices waveguide terahertz sub-wavelength transmission loss bending loss |
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