Experimental measurements and finite-element modelling of thermal effects in Yb3+ doped sesquioxide thin disk lasers

Emilie Marmois; Vanessa Cardinali; Geoffroy Le Touzé; Bruno Le Garrec

doi:10.1117/12.853723

19 May 2010 Experimental measurements and finite-element modelling of thermal effects in Yb³⁺ doped sesquioxide thin disk lasers

Emilie Marmois, Vanessa Cardinali, Geoffroy Le Touzé, Bruno Le Garrec

Author Affiliations +

Proceedings Volume 7721, Solid State Lasers and Amplifiers IV, and High-Power Lasers; 77210O (2010) https://doi.org/10.1117/12.853723
Event: SPIE Photonics Europe, 2010, Brussels, Belgium

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.

Citation Download Citation

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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