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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Veröffentlicht in:	Quantum electronics (Woodbury, N.Y.) N.Y.), 2016-01, Vol.46 (7), p.606-608
Hauptverfasser:	Gulyamova, E S, Il'ichev, N N, Pashinin, P P, Polyanskii, V I, Sidorin, A V
Format:	Artikel
Sprache:	eng
Schlagworte:	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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Zusammenfassung:	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