9 June 2011 Numerical evaluation of heat deposition in cryogenically cooled multi-slab amplifier
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Abstract
A model for calculation of stored energy and heat source assessment in a laser crystal has been developed. We report that in a pulsed laser amplifier using Yb:YAG slabs at low temperature with ASE suppressing MLD absorptive layer, 58% of the pump energy is deposited as heat and has to be cooled, while only 11% of the pump energy is converted into heat inside the pumped part of the Yb:YAG crystal itself.
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M. Sawicka, M. Sawicka, M. Divoky, M. Divoky, J. Novak, J. Novak, T. Mocek, T. Mocek, B. Rus, B. Rus, } "Numerical evaluation of heat deposition in cryogenically cooled multi-slab amplifier", Proc. SPIE 8080, Diode-Pumped High Energy and High Power Lasers; ELI: Ultrarelativistic Laser-Matter Interactions and Petawatt Photonics; and HiPER: the European Pathway to Laser Energy, 80800C (9 June 2011); doi: 10.1117/12.886877; https://doi.org/10.1117/12.886877
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