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Gas mirror


A gas mirror is an optical gas device deflecting a light beam and consisting of a flat plate on which a stable controllable distribution of the refractive index is created by a certain means. Working capacities of such devices are estimated and their experimental studies are carried out. Limiting geometric and optical characteristics of the gas mirrors are determined.

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n :

refractive index


angle of deflection of the light beam

U :

flow velocity

T :


C :

gas concentration

Gr, Re:

Grashoff and Reynolds numbers Subscripts: ω and ∞, parameters on the wall and in the environment, respectively


average flow velocity


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Additional information

Academic Scientific Complex “A. V. Luikov Heat and Mass Transfer Institute, Academy of Sciences of Belarus,” Minsk, Belarus. Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 68, No. 4, pp. 537–541, July–August, 1995.

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Martynenko, O.G., Lemesh, N.I. & Piskunov, V.N. Gas mirror. J Eng Phys Thermophys 68, 438–441 (1995).

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  • Experimental Study
  • Refractive Index
  • Statistical Physic
  • Light Beam
  • Flat Plate