In:
The Journal of Chemical Physics, AIP Publishing, Vol. 62, No. 7 ( 1975-04-01), p. 2720-2726
Abstract:
A theoretical and experimental analysis of a simple lumped element model representing multiple reflection time domain spectroscopy (TDS) is presented. In the frequency domain, an analytical expression is derived relating the experimentally determined scattering coefficient S11(iω) and the complex permittivity. Permittivities thus determined for a number of cases in the frequency range 100 kHz to 2 GHz are shown to be a close approximation to the true permittivities in most circumstances. The conditions are discussed under which the analytical expression breaks down. The step response behavior for a Debye-type dielectric is also calculated, leading to an improved accuracy in measuring dielectric relaxation parameters directly from time domain waveforms.
Type of Medium:
Online Resource
ISSN:
0021-9606
,
1089-7690
Language:
English
Publisher:
AIP Publishing
Publication Date:
1975
detail.hit.zdb_id:
3113-6
detail.hit.zdb_id:
1473050-9
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