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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 9 — May. 1, 2010
  • pp: 1344–1346

Fiber-based swept-source terahertz radar

Yu-Wei Huang, Tzu-Fang Tseng, Chung-Chiu Kuo, Yuh-Jing Hwang, and Chi-Kuang Sun  »View Author Affiliations


Optics Letters, Vol. 35, Issue 9, pp. 1344-1346 (2010)
http://dx.doi.org/10.1364/OL.35.001344


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Abstract

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.

© 2010 Optical Society of America

OCIS Codes
(280.5600) Remote sensing and sensors : Radar
(110.6795) Imaging systems : Terahertz imaging
(170.6795) Medical optics and biotechnology : Terahertz imaging

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: November 25, 2009
Revised Manuscript: February 6, 2010
Manuscript Accepted: February 26, 2010
Published: April 22, 2010

Citation
Yu-Wei Huang, Tzu-Fang Tseng, Chung-Chiu Kuo, Yuh-Jing Hwang, and Chi-Kuang Sun, "Fiber-based swept-source terahertz radar," Opt. Lett. 35, 1344-1346 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-9-1344

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