Title :
Dynamic range improvement of THz spectroscopy
Author :
Humphreys, David A. ; Naftaly, M.
Author_Institution :
Nat. Phys. Lab., Teddington, UK
Abstract :
The dynamic range of THz Spectroscopy is limited by noise. Analysis of the data shows that alignment of the results, using windowed autocorrelation, reduced the uncertainties from 11.9% to 0.15% at 95% confidence.
Keywords :
correlation theory; measurement uncertainty; microwave measurement; terahertz spectroscopy; THz spectroscopy; dynamic range improvement; measurement uncertainty; windowed autocorrelation; Frequency-domain analysis; Laser excitation; Noise; Spectroscopy; Time-domain analysis; Uncertainty; Covariance matrix; Fourier transforms; Measurement uncertainty; Principal component analysis; THz spectroscopy; Timing jitter; frequency-domain measurements; time-domain measurements; uncertainty analysis;
Conference_Titel :
Precision Electromagnetic Measurements (CPEM 2014), 2014 Conference on
Conference_Location :
Rio de Janeiro
Print_ISBN :
978-1-4799-5205-2
DOI :
10.1109/CPEM.2014.6898580
