Diffraction mode terahertz tomography

Ferguson, Bradley; Wang, Shaohong; Zhang, Xi-Cheng

Title: Diffraction mode terahertz tomography

Patent · Tue Oct 31 00:00:00 EST 2006

OSTI ID:1175970

Ferguson, Bradley; Wang, Shaohong; Zhang, Xi-Cheng

A method of obtaining a series of images of a three-dimensional object. The method includes the steps of transmitting pulsed terahertz (THz) radiation through the entire object from a plurality of angles, optically detecting changes in the transmitted THz radiation using pulsed laser radiation, and constructing a plurality of imaged slices of the three-dimensional object using the detected changes in the transmitted THz radiation. The THz radiation is transmitted through the object as a two-dimensional array of parallel rays. The optical detection is an array of detectors such as a CCD sensor.

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Research Organization:: Rensselaer Polytechnic Inst., Troy, NY (United States)

Sponsoring Organization:: USDOE; US Army Research Office (ARO)

DOE Contract Number:: FG07-98ER62706; DAAD-19-99-1-0333; DAAD-1999C0045

Assignee:: Rensselaer Polytechnic Institute (Troy, NY)

Patent Number(s):: 7,129,491

Application Number:: 10/843,899

OSTI ID:: 1175970

Resource Relation:: Patent File Date: 2004 May 12

Country of Publication:: United States

Language:: English

References (15)

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2D measurement and spatio-temporal coupling of few-cycle THz pulses Jiang, Zhiping; Zhang, X. -C. Optics Express, Vol. 5, Issue 11 https://doi.org/10.1364/OE.5.000243	journal	January 1999
Chemistry is right for T-ray imaging Nuss, M. C. IEEE Circuits and Devices Magazine, Vol. 12, Issue 2 https://doi.org/10.1109/101.485909	journal	March 1996
Time reversal and object reconstruction with single-cycle pulses Ruffin, A. Boh; Decker, Joan; Sanchez-Palencia, Laurent Optics Letters, Vol. 26, Issue 10 https://doi.org/10.1364/OL.26.000681	journal	January 2001
T-ray imaging Mittleman, D. M.; Jacobsen, R. H.; Nuss, M. C. IEEE Journal of Selected Topics in Quantum Electronics, Vol. 2, Issue 3 https://doi.org/10.1109/2944.571768	journal	January 1996
Towards functional 3D T-ray imaging Ferguson, Bradley; Wang, Shaohong; Gray, Doug Physics in Medicine and Biology, Vol. 47, Issue 21 https://doi.org/10.1088/0031-9155/47/21/309	journal	October 2002
THz imaging via electro-optic effect Jiang, Zhiping; Zhang, X. -C. 1999 IEEE MTT-S International Microwave Symposium Digest (Cat. No.99CH36282) https://doi.org/10.1109/MWSYM.1999.779541	conference	June 1999
Electro-optic measurement of THz field pulses with a chirped optical beam Jiang, Zhiping; Zhang, X. -C. Applied Physics Letters, Vol. 72, Issue 16 https://doi.org/10.1063/1.121231	journal	April 1998
A contrast source inversion method Berg, Peter M. van den; Kleinman, Ralph E. Inverse Problems, Vol. 13, Issue 6 https://doi.org/10.1088/0266-5611/13/6/013	journal	December 1997
T-ray computed tomography Ferguson, Bradley; Wang, Shaohong; Gray, Doug Optics Letters, Vol. 27, Issue 15 https://doi.org/10.1364/OL.27.001312	journal	January 2002
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Two‐dimensional electro‐optic imaging of THz beams Wu, Q.; Hewitt, T. D.; Zhang, X. ‐C. Applied Physics Letters, Vol. 69, Issue 8 https://doi.org/10.1063/1.116920	journal	August 1996
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Free-space electro-optic sampling with a high-repetition-rate regenerative amplified laser Lu, Z. G.; Campbell, P.; Zhang, X. -C. Applied Physics Letters, Vol. 71, Issue 5 https://doi.org/10.1063/1.119803	journal	August 1997
Terahertz imaging of biological tissue using a chirped probe pulse Ferguson, Bradley; Wang, Shaohong; Gray, Douglas A. International Symposium on Microelectronics and MEMS, SPIE Proceedings https://doi.org/10.1117/12.449147	conference	November 2001

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