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Type: Conference paper
Title: Low-noise terahertz material parameter extraction using a spinning wheel
Author: Balakrishnan, J.
Fischer, B.
Abbott, D.
Citation: Proceeding of the 34th International Conference on Infrared, Millimeter, and Terahertz Wave, 2009: pp.1-2
Publisher: IEEE
Publisher Place: CD
Issue Date: 2009
ISBN: 9781424454174
Conference Name: IRMMW - THz 2009 (34th : 2009 : Korea)
Statement of
Balakrishnan, J.; Fischer, B.M. and Abbott, D.
Abstract: We demonstrate measurement of material optical parameters, in the THz regime, by mounting the sample under test on a spinning wheel. The proposed measurement technique is implemented using double-modulated terahertz differential timedomain spectroscopy (double-modulated THz-DTDS). Spinning sample addresses fundamental limitations imposed by linear sample dithering. The concept of spinning the sample allows rapid switching between the reference and sample signals with a single mechanical delay scan. We validate this technique by measuring the dielectric properties of thick polymer material.
RMID: 0020093246
DOI: 10.1109/ICIMW.2009.5325568
Appears in Collections:Electrical and Electronic Engineering publications

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