Principle of remote control over the presence of dissolved gases in water media |
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| Authors: | Yu P Machekhin S M Kukhtin S M Bashchenko A M Negriiko |
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| Institution: | 1.Institute of Physics,Ukrainian National Academy of Sciences,Kiev,Ukraine;2.Kharkov National University of Radioelectronics,Kharkov,Ukraine |
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| Abstract: | We propose a method that allows one to carry out a remote estimation of small concentrations of gases dissolved in water at
large depths. The method is based on modulation laser spectroscopy combined with the application of a fiber-optical communication
line. We demonstrate specific features and advantages of the method of modulation laser spectroscopy for the spectral analysis
in aqueous media with large attenuation. We develop the structural scheme of a measuring system, whose main components are
a one-mode fiber-optical communication line, a laser diode with tuning frequency, and a gauge in the form of a hollow ellipsoidal
mirror reflector. The principle of self-focusing of radiation in the gauge is considered. The expedience of the use of modulation
laser spectroscopy and a measuring system in the solution of problems of the analysis of aqueous media is evaluated. |
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