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Type: Journal article
Title: Dual-mode terahertz time-domain spectroscopy system
Author: Ung, B.
Li, J.
Lin, H.
Fischer, B.
Withayachumnankul, W.
Abbott, D.
Citation: IEEE Transactions on Terahertz Science and Technology, 2013; 3(2):216-220
Publisher: IEEE
Issue Date: 2013
ISSN: 2156-342X
Statement of
Benjamin S.-Y. Ung, Jining Li, Hungyen Lin, Bernd M. Fischer, Withawat Withayachumnankul and Derek Abbott
Abstract: Terahertz time-domain spectroscopy (THz-TDS) systems traditionally operate in a single mode, either in reflection or transmission. In cases where the sample has nonunity permeability, measurements in both reflection and transmission geometries are required. The process of shifting and swapping the samples during an experiment increases the measurement uncertainty. This paper therefore presents a system where both reflection and transmission measurements can be performed simultaneously to reduce both experimental error and acquisition time. The measurement results are validated against findings in literature.
Keywords: Reflection spectroscopy
terahertztime-domain spectroscopy (THz-TDS)
transmission spectroscopy
Rights: © 2013 IEEE
DOI: 10.1109/TTHZ.2013.2241427
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Electrical and Electronic Engineering publications

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