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https://hdl.handle.net/2440/70639
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Type: | Journal article |
Title: | Terahertz scattering by granular composite materials: An effective medium theory |
Author: | Kaushik, M. Ng, B. Fischer, B. Abbott, D. |
Citation: | Applied Physics Letters, 2012; 100(1):011107-1-011107-3 |
Publisher: | Amer Inst Physics |
Issue Date: | 2012 |
ISSN: | 0003-6951 1077-3118 |
Statement of Responsibility: | Mayank Kaushik, Brian W.-H. Ng, Bernd M. Fischer, and Derek Abbott |
Abstract: | Terahertz (THz) spectroscopy and imaging have emerged as important tools for identification and classification of various substances, which exhibit absorption characteristics at distinct frequencies in the THz range. The spectral fingerprints can potentially be distorted or obscured by electromagnetic scattering caused by the granular nature of some substances. In this paper, we present THz time domain transmission measurements of granular polyethylene powders in order to investigate an effective medium theory that yields a parameterized model, which can be used to estimate the empirical measurements to good accuracy. |
Rights: | © 2012 Crown |
DOI: | 10.1063/1.3674289 |
Published version: | http://dx.doi.org/10.1063/1.3674289 |
Appears in Collections: | Aurora harvest Electrical and Electronic Engineering publications |
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