Frequency, amplitude, and phase measurements of GHz and THz sources using unstabilized THz frequency combs

Heiko Füser; Mark Bieler

doi:10.1117/12.2003153

27 March 2013 Frequency, amplitude, and phase measurements of GHz and THz sources using unstabilized THz frequency combs

Heiko Füser, Mark Bieler

Author Affiliations +

Proceedings Volume 8624, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications VI; 86240T (2013) https://doi.org/10.1117/12.2003153
Event: SPIE OPTO, 2013, San Francisco, California, United States

Abstract

We report spatially resolved measurements of frequency, phase, and amplitude of GHz and THz emitters employing an unstabilized THz frequency comb. Different optoelectronic detection methods are compared regarding accuracy and invasiveness. The measurement setup allows for high-precision measurements of the frequency (accuracy 9·10^-14), relative amplitude (standard deviation of the mean 0.1 %) and phase (standard deviation of the mean 0.2 °). By simultaneously measuring the emission of a 30 GHz emitter as well as the emission of a CO₂ laser at 28 THz, a large spectral coverage is demonstrated. Keywords:

Citation Download Citation

Heiko Füser and Mark Bieler "Frequency, amplitude, and phase measurements of GHz and THz sources using unstabilized THz frequency combs", Proc. SPIE 8624, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications VI, 86240T (27 March 2013); https://doi.org/10.1117/12.2003153

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