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   Home  List of Issues    Issue 01 , Vol. 01 , 2003    Article Abstract

Terahertz wave tomographic imaging with a Fresnel lens
S. Wang and X.-C. Zhang
Chinese Optics Letters , Vol.01 , Issue 01 , PP.53-53(2003)

Keywords(OCIS Code)
320.7100 (ultrafast measurements), 320.7160 (ultrafast technology), 320.7150 (ultrafast spectroscopy), 320.7110 (ultrafast nonlinear optics).

We demonstrate three-dimensional tomographic imaging using a Fresnel lens with broadband terahertz pulses. Objects at various locations along the beam propagation path are uniquely imaged on the same imaging plane using a Fresnel lens with different frequencies of the imaging beam. This procedure allows the reconstruction of an object’s tomographic contrast image by assembling the frequency-dependent images.

©2003-2007 Chinese Optics Letters

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Manuscript Accepted:2002-11-4
Revised Manuscript:
Published :

Column:ultrafast optics
Note: This work was supported by the U.S. National Science Foundation. The authors are very grateful to Mr. Edward Walsby of University of Canterbury, New Zealand for providing the silicon Fresnel lens. X.-C. Zhang is the author to whom the correspondence should be addressed, his e-mail address is zhangxc@rpi.edu.


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