低损耗太赫兹波导及其成像应用

IF 0.6 4区 物理与天体物理 Q4 OPTICS 红外与毫米波学报 Pub Date : 2019-01-01 DOI:10.11972/J.ISSN.1001-9014.2019.01.012
Shuai Li, Zijie Dai, Xiang Gao, Tao Zhan, Zhao Delong, Cheng Gong, Weiwei Liu
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引用次数: 0

摘要

高性能太赫兹功能器件在太赫兹波的产生、传输和探测中具有重要意义。本文报道了一种kagome型低损耗太赫兹波导及其成像应用。首先,利用抗谐振波导理论设计了一种低损耗传输的Kagome太赫兹波导。1太赫兹,其理论损耗低至0。012厘米-1。其次,采用3D打印技术制作波导;实验损耗为0。波导末端的光束发散角约为6±0。5度。最后,建立了基于该波导的可重构太赫兹成像系统,实现了对隐藏叶片的反射成像和对矿石的透射成像。该技术在地下长距离勘探中具有广阔的应用前景。
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Low-loss terahertz waveguide and its imaging application
High-performance terahertz functional devices have great significance in the generation,transmission and detection of terahertz waves. This paper reports a Kagome-type low-loss terahertz waveguide and its imaging applications. Firstly,anti-resonant waveguide theory was used to design a Kagome terahertz waveguide with low loss transmission at 0. 1 THz,which has a theoretical loss as low as 0. 012 cm -1 . Secondly,the waveguide was fabricated by 3D printing technology. The experimental loss is 0. 015 3 cm ,and the beam divergence angle at the end of the waveguide is about 6 ± 0. 5 degree. Finally,a reconfigurable terahertz imaging system was set up based on the waveguide,which realizes reflection and transmission imaging for a hidden blade and ore respectively. This technology has great application prospects in the underground long-distance exploration.
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来源期刊
CiteScore
1.20
自引率
14.30%
发文量
4258
审稿时长
2.9 months
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