FREQUENCY-TUNABLE TERAHERTZ-WAVE GENERATION FROM GaP USING Cr:FORSTERITE LASERS

被引：0
|
作者：
J. Nishizawa
T. Sasaki
K. Suto
T. Tanabe
T. Yoshida
T. Kimura
K. Saito
机构：
[1] Semiconductor Research Institute,Department of Material Science
[2] Tohoku University,undefined
来源：
International Journal of Infrared and Millimeter Waves | 2006年 / 27卷
关键词：
terahertz wave; GaP; Raman; Cr:forsterite; phase matching; spectroscopy;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We have constructed THz spectrometers using the widely frequency-tunable THz-wave generated from GaP crystal pumped at 1.2 µm region using two Cr:forsterite lasers and compared with that pumped at 1 µm region using a YAG laser and an optical parametric oscillator (OPO). The systems have sufficient resolution for observation of solids and liquids at room temperature. We have measured terahertz absorption spectra of all twenty kinds of amino acids which form proteins.
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页码：779 / 789
页数：10
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