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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 4 — Feb. 15, 2010
  • pp: 508–510

Coherent optical computing for T-ray imaging

Kanghee Lee, Kyung Hwan Jin, Jong Chul Ye, and Jaewook Ahn  »View Author Affiliations


Optics Letters, Vol. 35, Issue 4, pp. 508-510 (2010)
http://dx.doi.org/10.1364/OL.35.000508


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Abstract

Single-point imagery of 2D objects is proposed by exploiting the extreme broadband nature of an ultrafast terahertz wave. In the proposed imagery, a collimated terahertz beam is illuminated on an object, and the scattered fields are measured through a hole at the Fourier plane in a conventional terahertz time-domain spectroscope. This arrangement allows conversion of radial spatial frequencies of the object to the temporal spectrum of the pulse. Hence, a 2D image can be readily obtained by rotating a hole around the optical axis. Experimental results confirm that a complicated object can be reliably imaged using only 30 waveform measurements.

© 2010 Optical Society of America

OCIS Codes
(320.7100) Ultrafast optics : Ultrafast measurements
(110.6795) Imaging systems : Terahertz imaging

ToC Category:
Ultrafast Optics

History
Original Manuscript: September 30, 2009
Revised Manuscript: December 9, 2009
Manuscript Accepted: January 11, 2010
Published: February 8, 2010

Citation
Kanghee Lee, Kyung Hwan Jin, Jong Chul Ye, and Jaewook Ahn, "Coherent optical computing for T-ray imaging," Opt. Lett. 35, 508-510 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-4-508

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