Fiber-based swept-source terahertz radar

被引：22

作者：

Huang, Yu-Wei ^{[1
,2
]}

Tseng, Tzu-Fang ^{[1
,2
]}

Kuo, Chung-Chiu ^{[1
,2
]}

Hwang, Yuh-Jing ^{[3
]}

Sun, Chi-Kuang ^{[1
,2
,4
]}

机构：

[1] Natl Taiwan Univ, Dept Elect Engn, Taipei 10617, Taiwan

[2] Natl Taiwan Univ, Grad Inst Photon & Optoelect, Taipei 10617, Taiwan

[3] Acad Sinica, Inst Astron & Astrophys, Taipei 10617, Taiwan

[4] Acad Sinica, Res Ctr Appl Sci, Taipei 11529, Taiwan

来源：

OPTICS LETTERS | 2010年 / 35卷 / 09期

关键词：

SUBWAVELENGTH PLASTIC FIBER;

D O I：

10.1364/OL.35.001344

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate an all-terahertz swept-source imaging radar operated at room temperature by using terahertz fibers for radiation delivery and with a terahertz-fiber directional coupler acting as a Michelson interferometer. By taking advantage of the high water reflection contrast in the low terahertz regime and by electrically sweeping at a high speed a terahertz source combined with a fast rotating mirror, we obtained the living object's distance information with a high image frame rate. Our experiment showed that this fiber-based swept-source terahertz radar could be used in real time to locate concealed moving live objects with high stability. (C) 2010 Optical Society of America

引用

页码：1344 / 1346

页数：3

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