標題: Single-shot detection of mid-infrared spectra by chirped-pulse upconversion with four-wave difference frequency generation in gases
作者: Nomura, Y.
Wang, Y. -T.
Kozai, T.
Shirai, H.
Yabushita, A.
Luo, C. -W.
Nakanishi, S.
Fuji, T.
電子物理學系
Department of Electrophysics
公開日期: 29-七月-2013
摘要: Single-shot detection of ultrabroadband mid-infrared spectra was demonstrated by using chirped-pulse upconversion technique with four-wave difference frequency generation in gases. Thanks to the low dispersion of the gas media, the bandwidth of the phase matching condition of the upconversion process becomes very broad and the entire mid-infrared spectrum spanning from 200 to 5500 cm(-1) was upconverted by using a 10 ps chirped pulse to visible wavelength radiation, which was detected with a conventional visible dispersive spectrometer. This method was demonstrated by the successful measurement of infrared absorption spectra of organic polymer films. (C) 2013 Optical Society of America
URI: http://dx.doi.org/10.1364/OE.21.018249
http://hdl.handle.net/11536/22600
ISSN: 1094-4087
DOI: 10.1364/OE.21.018249
期刊: OPTICS EXPRESS
Volume: 21
Issue: 15
起始頁: 18249
結束頁: 18254
顯示於類別:期刊論文


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