Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/2464
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Type: Journal article
Title: T-ray computed tomography
Author: Ferguson, B.
Wang, S.
Gray, D.
Abbott, D.
Zhang, X.
Citation: Optics Letters, 2002; 27(15):1312-1314
Publisher: Optical Soc Amer
Issue Date: 2002
ISSN: 0146-9592
1539-4794
Statement of
Responsibility: 
Bradley Ferguson, Shaohong Wang, Doug Gray, Derek Abbot, and X.-C. Zhang
Abstract: We demonstrate a tomographic imaging modality that uses pulsed terahertz (THz) radiation to probe the optical properties of three-dimensional (3D) structures in the far-infrared. This THz-wave computed tomography (T-ray CT) system provides sectional images of objects in a manner analogous to conventional CT techniques such as x-ray CT.The transmitted amplitude and phase of broadband pulses of THz radiation are measured at multiple projection angles. The filtered backprojection algorithm is then used to reconstruct the target object, including both its 3D structure and its frequency-dependent far-infrared optical properties.
Rights: Copyright © 2002 Optical Society of America
RMID: 0020020987
DOI: 10.1364/OL.27.001312
Published version: http://www.opticsinfobase.org/abstract.cfm?id=69496
Appears in Collections:Electrical and Electronic Engineering publications

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