Numerical evaluation of heat deposition in cryogenically cooled multi-slab amplifier

M. Sawicka; M. Divoky; J. Novak; T. Mocek; B. Rus

doi:10.1117/12.886877

9 June 2011 Numerical evaluation of heat deposition in cryogenically cooled multi-slab amplifier

M. Sawicka, M. Divoky, J. Novak, T. Mocek, B. Rus

Proceedings Volume 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 (2011) https://doi.org/10.1117/12.886877
Event: SPIE Optics + Optoelectronics, 2011, Prague, Czech Republic

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.

Citation Download Citation

M. Sawicka, M. Divoky, J. Novak, T. Mocek, and 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); https://doi.org/10.1117/12.886877

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