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Effect of amplified spontaneous emission and parasitic oscillations on the performance of cryogenically-cooled slab amplifiers

Published online by Cambridge University Press:  23 August 2013

Magdalena Sawicka ,
Martin Divoky ,
Antonio Lucianetti  and
Tomas Mocek
Magdalena Sawicka*
Affiliation:
HiLASE Project, Institute of Physics, Academy of Sciences of the Czech Republic, Prague, Czech Republic Faculty of Nuclear Sciences and Physical Engineering, Czech Technical University in Prague, Prague, Czech Republic
Martin Divoky
Affiliation:
HiLASE Project, Institute of Physics, Academy of Sciences of the Czech Republic, Prague, Czech Republic
Antonio Lucianetti
Affiliation:
HiLASE Project, Institute of Physics, Academy of Sciences of the Czech Republic, Prague, Czech Republic
Tomas Mocek
Affiliation:
HiLASE Project, Institute of Physics, Academy of Sciences of the Czech Republic, Prague, Czech Republic
*
Address correspondents and reprint requests to: Magdalena Sawicka, Institute of Physics, AS CR, Na Slovance 2,182 21 Prague, Czech Republic. E-mail: sawicka@fzu.cz
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Abstract

We present a three-dimensional code for the optimization of energy storage, heat deposition, and amplification in square-shaped laser slabs and multi-slab laser amplifiers. The influence of the slab dimensions, slab face and edge reflectivities, pump parameters, and operating temperature on amplified spontaneous emission and stored energy has been investigated. The multi-slab and single-slab configurations are compared, analyzing in detail the influence of the absorption cladding for the suppression of amplified spontaneous emission radiation.

Keywords

Amplified spontaneous emissionCryogenic coolingParasitic oscillationsSlab lasers
Type
Research Article
Information
Laser and Particle Beams , Volume 31 , Issue 4 , December 2013 , pp. 553 - 560
Copyright
Copyright © Cambridge University Press 2013 

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