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High-speed coherent CW terahertz spectrometer

 
: Stanze, D.; Gobel, T.; Dietz, R.J.B.; Sartorius, B.; Schell, M.

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Electronics Letters 47 (2011), No.23, pp.1292-1294
ISSN: 0013-5194
English
Journal Article
Fraunhofer HHI ()

Abstract
In-fibre wavelength selective modulation of the optical phase enables the electro-optic control of the terahertz phase in continuous-wave photomixing terahertz systems without any free-space optics. Using a fully fibre-coupled terahertz setup, a coherent scan of a frequency range of 1.5 THz with 100 MHz resolution in less than 24 s is demonstrated. This sample rate of 1.6 ms/sample is more than 20 times faster than any previous broadband scans reported.

: http://publica.fraunhofer.de/documents/N-198498.html