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Proceedings Paper

Simulation of terahertz radiation in stratified media
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Paper Abstract

The reflection characteristic of terahertz radiation (T-rays) in stratified media is being explored through the use of computer models. When T-rays are reflected off a sample, the measured T-ray signal contains coherent spectroscopic information about the sample. In the time domain, this spectroscopic information becomes the time response of the sample-a useful method for determining layer thickness and the number of interfaces in the sample. In order to confidently determine thickness and interfaces, the propagation characteristic of T-rays in a stratified medium needs to be understood. Internal reflections, interference, and water absorption within the layers can significantly alter the T-ray signal. This paper reports on a study of T-ray propagation in tissue layers inside the head, in reflection mode. Simulated results are presented and discussed.

Paper Details

Date Published: 16 January 2006
PDF: 11 pages
Proc. SPIE 6038, Photonics: Design, Technology, and Packaging II, 60380M (16 January 2006); doi: 10.1117/12.638107
Show Author Affiliations
Gretel M. Png, The Univ. of Adelaide (Australia)
Samuel P. Mickan, The Univ. of Adelaide (Australia)
Derek Abbott, The Univ. of Adelaide (Australia)

Published in SPIE Proceedings Vol. 6038:
Photonics: Design, Technology, and Packaging II
Derek Abbott; Yuri S. Kivshar; Halina H. Rubinsztein-Dunlop; Shanhui Fan, Editor(s)

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