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Remote measurement of concentration of a gas specie by resonance absorption
Remote measurement of concentration of a gas specie by resonance absorption
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机译:通过共振吸收远程测量气体物种的浓度
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摘要
The concentration of a selected gas specie at a situs determined by directing a laser beam at the situs, the beam including a wavelength within the resonance absorption band of the gas specie, and measuring the intensity of the laser beam energy scattered from two spaced volumes along said beam at the situs. The ratio of measured intensities is a relative measure of the concentration of the gas specie at the situs.
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