Relative permittivity of bulk Parylene-C polymer in the infrared regime

Chandraprakash Chindam, Akhlesh Lakhtakia, Osama O. Awadelkarim and Wasim Orfali

Journal of Electromagnetic Waves and Applications, 2015, vol. 29, issue 16, 2139-2146

Abstract: Infrared spectroscopy experiments in the 15–149 THz spectral regime were performed in the transmission mode on a thin film of bulk Parylene-C polymer at normal incidence. The relative permittivity of bulk Parylene-C polymer in this regime was modeled as comprising a frequency-independent term as well as contributions from 32 Lorentz oscillators. A least-squares minimization algorithm and a hybrid genetic algorithm were used to determine the frequency-independent term as well as all parameters characterizing the Lorentz oscillators from the measured transmittance spectrum itself.

Date: 2015
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DOI: 10.1080/09205071.2015.1074875

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