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|Title:||Fundamentals of measurement in terahertz time-domain spectroscopy|
|Citation:||Journal of Infrared, Millimeter, and Terahertz Waves, 2014; 35(8):610-637|
|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|
|Appears in Collections:||Electrical and Electronic Engineering publications|
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