Optical beating Brillouin scattering spectroscopic measurements of high-temperature gas

作者: Yasuo Minami , Takeshi Yogi , Keiji Sakai

DOI: 10.1063/1.3471814

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摘要: The sound velocity of air at high temperature was measured in the 10 MHz frequency region using optical beating Brillouin scattering spectroscopy. dependence on observed, and molecular weight gas obtained is agreement with literature value. present experiment will enable observation phase rotation-translation (R-T) relaxation, for example, R-T relaxation nitrogen that occurs 100 region. high-temperature could also be used to measure fraction this experiment.

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