Frequency-agile terahertz-wave spectrometer for high-resolution gas sensing
Frequency-agile terahertz-wave spectrometer for high-resolution gas sensing
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DOI：
10.1063/1.2716146
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发表时间：
2007-03
影响因子：
4
通讯作者：
R. Guo;K. Akiyama;H. Minamide;Hiromasa Ito
中科院分区：
文献类型：
--
作者：
R. Guo;K. Akiyama;H. Minamide;Hiromasa Ito
A tabletop, frequency-agile terahertz-wave spectrometer was developed based on an injection-seeded terahertz-wave parametric generator. High-resolution (<100MHz) spectra of polar gases can be measured in a wide frequency region (0.6–2.4THz) within a short time (several minutes) with this spectrometer. To demonstrate the potential of this system, the authors performed real-time detection of the absorption line due to rotational transitions of the water molecule and determined their pressure-broadening coefficient.
