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Millimeter-Wave Ellipsometry Using Low-Coherence Light Source
Hiroshi YAMAMOTO Hiroshi ITO
IEICE TRANSACTIONS on Electronics
Publication Date: 2014/05/01
Online ISSN: 1745-1353
Type of Manuscript: BRIEF PAPER
Category: Microwaves, Millimeter-Waves
ellipsometry, millimeter wave, UTC-PD, low-coherent light source,
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Two types of low-coherence millimeter-wave sources for photonic millimeter-wave ellipsometry are compared. A broadband signal (125-GHz bandwidth) or a narrowband one (0.5-GHz bandwidth) is used to measure the complex relative dielectric constants of purified water, and the narrowband signal is revealed to be suitable for accurate measurement.