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Terahertz imaging of biological samples

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3 Author(s)
Daniel M. Hailu ; Intelligent Integrated Radio and Photonics Group, Dept. of ECE, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada ; Iraj A. Ehtezazi ; Safieddin Safavi-Naeini

A transmission-mode measurement for CW THz imaging of polyethylene cylinder and cross-seciton of tooth is conducted using BWO. The beam profile of THz beam generated by a BWO was measured at the focal plane of a CW imaging system and the effect of electrically-large polyethylene cylinder on the beam profile examined. It was found that the focused beam becomes astigmatic and has more of an elliptical beam profile. THz transmission-mode CW imaging of a cross-section of premolar tooth sample with dentine and enamel was conducted at 840 GHz.

Published in:

2010 IEEE Antennas and Propagation Society International Symposium

Date of Conference:

11-17 July 2010