Rapid-scanning terahertz precision spectrometer with more than 6 THz spectral coverage.

Abstract

We report a terahertz time-domain spectrometer with more than 6 THz spectral coverage and 1 GHz resolution based on high-speed asynchronous optical sampling. It operates at 2 kHz scan rate without mechanical delay stage. The frequency error of the system at 60 s acquisition time is determined by comparing a measured water vapor absorption spectrum to data… (More)
DOI: 10.1364/OE.17.022847

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