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|Title:||Terahertz scattering by granular composite materials: An effective medium theory|
|Citation:||Applied Physics Letters, 2012; 100(1):011107-1-011107-3|
|Publisher:||Amer Inst Physics|
|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|
|Appears in Collections:||Electrical and Electronic Engineering publications|
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