Title :
Linearity of terahertz time-domain spectrometers
Author :
Naftaly, M. ; Stringer, M. ; Dudley, R.A.
Author_Institution :
Nat. Phys. Lab., Commun. Technol. Group, Teddington
Abstract :
A method to quantify the linearity and dynamic range of terahertz detectors is reported and used to show that terahertz time-domain-spectrometers exhibit a nonlinear amplitude response at frequencies below 1.5 THz.
Keywords :
submillimetre wave detectors; submillimetre wave spectroscopy; dynamic range; electro-optical detection; linearity measurement; nonlinear amplitude response; terahertz detectors; terahertz time-domain spectrometers;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20080932
