Measuring nonlinear reflectance of laser radiation with a wavelength of 2940 nm from silica glass – water and silica glass – ethanol interfaces

We have measured the reflectance of an Er super(3+): YAG laser pulse from silica glass - water and silica glass - ethanol interfaces at high (0.9 J cm super(-2)) and low (5 mJ cm super(-2)) energy densities of incident radiation. The nonlinearity of reflectance dynamics is found for high-power radia...

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Bibliographic Details
Published in:Quantum electronics (Woodbury, N.Y.) N.Y.), 2016-01, Vol.46 (7), p.606-608
Main Authors: Gulyamova, E S, Il'ichev, N N, Pashinin, P P, Polyanskii, V I, Sidorin, A V
Format: Article
Language:English
Subjects:
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
ENERGY DENSITY
ERBIUM IONS
ETHANOL
Ethyl alcohol
GLASS
INTERFACES
LASER RADIATION
Lasers
NEODYMIUM LASERS
NONLINEAR PROBLEMS
Nonlinearity
Reflectance
Reflectivity
Semiconductor lasers
SILICA
Silica glass
SPECTRAL REFLECTANCE
WATER
WAVELENGTHS
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Summary:We have measured the reflectance of an Er super(3+): YAG laser pulse from silica glass - water and silica glass - ethanol interfaces at high (0.9 J cm super(-2)) and low (5 mJ cm super(-2)) energy densities of incident radiation. The nonlinearity of reflectance dynamics is found for high-power radiation during the laser pulse action.
ISSN:1063-7818
1468-4799
DOI:10.1070/QEL16087