Refraction by Gas Inhomogeneities during Laser Heating of a Metal

An analysis is made of the distribution of the refractive index near the boundary of a metal heated by laser radiation. The gradient of the refractive index of the gas, caused by the heat flux, and the distribution of the refractive index in the inhomogeneously heated gas are found. The drift of the...

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Bibliographic Details
Published in:Optics and spectroscopy 2023, Vol.131 (1), p.54-55
Main Authors: Trofimov, V., Rosanov, N. N., Yang, Y., Fedorov, S. V., Yu, J., Veretenov, N. A.
Format: Article
Language:English
Subjects:
Drift
Heat flux
Laser beam heating
Lasers
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
Refraction
Refractivity
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Summary:An analysis is made of the distribution of the refractive index near the boundary of a metal heated by laser radiation. The gradient of the refractive index of the gas, caused by the heat flux, and the distribution of the refractive index in the inhomogeneously heated gas are found. The drift of the laser beam due to the refraction of radiation in a gas is estimated, which shows an increase in the drift for narrow laser beams.
ISSN:0030-400X
1562-6911
DOI:10.1134/S0030400X23030189