This paper discusses the development of an ultra-broadband terahertz (THz) spectrometer with bandwidth > 20 THz, which significantly extends the capability of the THz pulsed imaging technique. This study also shows how time-partitioned Fourier transforms of the measured THz time-domain signal after transmission through a sample allows the progressive observation of absorption and subsequent emission of THz radiation at the frequency of the vibrational mode.
Broadband terahertz sources
01.01.2005
221059 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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