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Type: Journal article
Title: Fundamentals of measurement in terahertz time-domain spectroscopy
Author: Withayachumnankul, W.
Naftaly, M.
Citation: Journal of Infrared, Millimeter and Terahertz Waves, 2014; 35(8):610-637
Publisher: Springer
Issue Date: 2014
ISSN: 1866-6892
Statement of
Withawat Withayachumnankul, Mira Naftaly
Abstract: Terahertz time-domain spectroscopy (THz-TDS) has emerged as a main spectroscopic modality to fill the frequenc y range between a few hundred gigahertz to a few terahertz. This spectrum has been known as “terahertz gap” owing to lim- ited accessibility by conventional electroni c and optical techniques. Over the past two decades, THz-TDS has evolved substa ntially with enhanced compactness and stability. Since THz-TDS is becoming an i ndustrial standard, the performance and precision of the system are of prime importance. This article provides an overview on terahertz metrology, including parame ter estimation, signal processing, measure- ment characteristics, uncertainties, and calibrations. The overview serves as guidance for metrology and further developments of THz-TDS systems.
Keywords: THz-TDS; terahertz metrology; measurement characteristics; uncertainties; calibrations; parameter estimation; dynamic range
Rights: © Springer Science+Business Media New York 2013
DOI: 10.1007/s10762-013-0042-z
Appears in Collections:Aurora harvest 7
Electrical and Electronic Engineering publications

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