Optimisation of the parameters of a pump chamber for solid-state lasers with diode pumping by the optical boiler method

A pump chamber of the optical boiler type for solid-state lasers with transverse laser diode pumping is studied theoretically and experimentally. The pump chamber parameters are optimised using the geometrical optics approximation for the pump radiation. According to calculations, the integral absor...

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Bibliographic Details
Published in:Quantum electronics (Woodbury, N.Y.) N.Y.), 2015-01, Vol.45 (6), p.511-514
Main Authors: Kiyko, V.V., Kislov, V.I., Ofitserov, E.N., Suzdal'tsev, A.G.
Format: Article
Language:English
Subjects:
ABSORPTION
Boilers
Chambers
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
EFFICIENCY
laser diode arrays
Mathematical analysis
NEODYMIUM LASERS
OPTICAL PUMPING
OPTICS
optimisation model
OPTIMIZATION
pump chamber
Pumps
Radiation distribution
Solid state lasers
solid-state laser
WAVELENGTHS
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Summary:A pump chamber of the optical boiler type for solid-state lasers with transverse laser diode pumping is studied theoretically and experimentally. The pump chamber parameters are optimised using the geometrical optics approximation for the pump radiation. According to calculations, the integral absorption coefficient of the active element at a wavelength of is 0.75 - 0.8 and the relative inhomogeneity of the pump radiation distribution over the active element volume is 17 % - 19 %. The developed pump chamber was used in a Nd : YAG laser. The maximum cw output power at a wavelength of was at the optical efficiency up to 19.6 %, which agrees with theoretical estimates.
ISSN:1063-7818
1468-4799
DOI:10.1070/QE2015v045n06ABEH015287