We have constructed THz spectrometers using the widely frequency-tunable THz-wave generated from GaP crystal pumped at 1.2 /spl mu/m region using two Cr:forsterite lasers and compared with 1 /spl mu/m using a YAG laser and an optical parametric oscillator (OPO). The systems have sufficient resolution for observation of solids and liquids. We have measured the transmittance spectra of amino acids and saccharide.
Frequency-tunable terahertz-wave generation from GaP using Cr:forsterite lasers
2005-01-01
1009822 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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