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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 2 — Jan. 28, 2013
  • pp: 2423–2433

Fast three-dimensional terahertz computed tomography using real-time line projection of intense terahertz pulse

Mukesh Jewariya, Emmanuel Abraham, Takayuki Kitaguchi, Yoshiyuki Ohgi, Masa-aki Minami, Tsutomu Araki, and Takeshi Yasui  »View Author Affiliations


Optics Express, Vol. 21, Issue 2, pp. 2423-2433 (2013)
http://dx.doi.org/10.1364/OE.21.002423


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Abstract

We demonstrated fast three-dimensional transmission terahertz computed tomography by using real-time line projection of intense terahertz beam generated by optical rectification in lithium niobate crystal. After emphasizing the advantage of intense terahertz pulse generation for two-dimensional spatio-temporal terahertz imaging, peak-to-peak amplitudes of pulsed terahertz electric field have been used to obtain a series of projection images at different rotation angles. Then a standard reconstruction algorithm has been employed to perform final three-dimensional reconstruction. Test samples including a medicine capsule have been investigated with a total acquisition time to only 6 minutes.

© 2013 OSA

OCIS Codes
(100.6890) Image processing : Three-dimensional image processing
(320.7090) Ultrafast optics : Ultrafast lasers
(110.6795) Imaging systems : Terahertz imaging
(110.6955) Imaging systems : Tomographic imaging

ToC Category:
Imaging Systems

History
Original Manuscript: December 19, 2012
Revised Manuscript: January 17, 2013
Manuscript Accepted: January 17, 2013
Published: January 24, 2013

Virtual Issues
Vol. 8, Iss. 2 Virtual Journal for Biomedical Optics

Citation
Mukesh Jewariya, Emmanuel Abraham, Takayuki Kitaguchi, Yoshiyuki Ohgi, Masa-aki Minami, Tsutomu Araki, and Takeshi Yasui, "Fast three-dimensional terahertz computed tomography using real-time line projection of intense terahertz pulse," Opt. Express 21, 2423-2433 (2013)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-2-2423


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