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19 May 2010 Experimental measurements and finite-element modelling of thermal effects in Yb3+ doped sesquioxide thin disk lasers
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Abstract
A modelling and an experimental study of thermal lensing in Yb3+ doped sesquioxide ceramics are presented here. Wavefront measurements realised in various laser media using a Shack-Hartmann wavefront sensor enable us to study the evolution of thermal lensing versus absorbed pump power at various temperatures. A computation of thermal effects is then investigated in the framework of the finite-elements CASTEM code. At last, we propose to explain our thermal lensing measurements from simulation results.
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Emilie Marmois, Vanessa Cardinali, Geoffroy Le Touzé, and Bruno Le Garrec "Experimental measurements and finite-element modelling of thermal effects in Yb3+ doped sesquioxide thin disk lasers", Proc. SPIE 7721, Solid State Lasers and Amplifiers IV, and High-Power Lasers, 77210O (19 May 2010); https://doi.org/10.1117/12.853723
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