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光电导太赫兹源新进展 被引量:14

New research progress of photoconductive terahertz source
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摘要 太赫兹技术在基础研究、工业以及军事领域有着良好的应用前景和研究价值,而太赫兹源在很大程度上决定了太赫兹技术的应用前景和发展潜力。由于光电导材料的研究发展,光电导太赫兹源目前已成为产生宽频带太赫兹辐射的一种重要方法,也是所有太赫兹相关技术中研究非常活跃的一个领域。本文就光电导太赫兹源的原理、性能影响因素、国内外研究情况作了较为全面的评述,着重阐述了基底材料、电极几何结构和激发光源对于其性能的影响以及国内外研究现状,并对其中存在的问题和解决思路等进行分析,展望了未来研究发展方向。 The terahertz technique has wide application prospect and research value in fundamental research field,industrial and military applications.The terahertz source is an important factor to determine the prospects and development potential of terahertz technique.For the research and development of photoconductive material,the photoconductive terahertz source is an important way to generate broadband terahertz radiation.It is also a very active area among all related techniques in terahertz.This article makes a comprehensive review about principle,performance factors and research situation of photoconductive terahertz source,focusing on substrate material,electrode geometry and excitation source.The existing problems,the possible solutions and its future development are briefly reviewed and discussed.
出处 《激光与红外》 CAS CSCD 北大核心 2011年第6期597-604,共8页 Laser & Infrared
基金 清华大学自主科研专项(No.2010THZ05) 科技部项目(No.2010DFR10250) 中国博士后科学基金项目(No.20100470017)资助
关键词 太赫兹产生 光电导天线 基底材料 电极几何结构 激发光源 generation of terahertz radiation photoconductive antenna substrate material electrode geometry excitation source
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参考文献29

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