A Technique for Remote Sensing the Atmospheric Temperature and Pressure, Based on Fabry — Perot Interferometry of Rotational Raman Scattering Spectrum
The methods for laser remote sensing of the atmospheric temperature are based on the temperature dependence of the interaction of the light with the atmospheric gases. A group of methods is based on the temperature dependence of some characteristics of different type elastic and nonelastic scattering, e.g. the line bandwidth of the resonance (Blamont et aI. 1972) or Rayleigh (Fiocco et al. 1971) scattering, the envelope of the rotational Raman scattering (RRS) spectrum (Cooney 1972, Kobayasi et al. 1974, Cohen et al. 1976, Arshinov et al. 1983, 1988, Mitev and Nitsolov 1983, Kobayashi and Taira 1990) or the shape of the RRS spectral lines (Armstrong 1974, 1975), the shape of the Rayleigh-Brillouin scattering spectrum (Shimizu et al. 1986), etc. The temperature dependance of the light absorption in the atmosphere is also used as a basis of some DIAL methods to measure the atmospheric temperature and pressure (Mason 1975, Kalshoven et al. 1981, Korb et al. 1989).
KeywordsAtmospheric Temperature Order Number Free Spectral Range Detector Quantum Efficiency Backscattering Cross Section
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