Yb :CALGO as material for high power ultrafast laser and focus on thermal conductivity variation

A. Jaffrès; S. Ricaud; A. Suganuma; B. Viana; P. Loiseau; P. Georges; F. Druon

doi:10.1117/12.2006643

11 March 2013 Yb :CALGO as material for high power ultrafast laser and focus on thermal conductivity variation

A. Jaffrès, S. Ricaud, A. Suganuma, B. Viana, P. Loiseau, P. Georges, F. Druon

Proceedings Volume 8621, Optical Components and Materials X; 86211S (2013) https://doi.org/10.1117/12.2006643
Event: SPIE OPTO, 2013, San Francisco, California, United States

Abstract

Thermal conductivity values of laser material Yb³⁺:CaGdAlO₄ (CALGO) with various doping rate in Yb³⁺ were measured experimentally and compared to predictive values obtained by modelling. The observed variation of the thermal conductivity with the Yb³⁺ content could be explained by changing the ratio of site substitution Gd³⁺/Ca²⁺ by Yb³⁺. The influence of velocity sound and interionic distance values on thermal conductivity was also studied. Finally, laser results obtained with a 2%Yb:CALGO thin-disk were presented, strengthening the potential of Yb:CALGO for high power laser and ultra-short pulses generation.

Citation Download Citation

A. Jaffrès, S. Ricaud, A. Suganuma, B. Viana, P. Loiseau, P. Georges, and F. Druon "Yb :CALGO as material for high power ultrafast laser and focus on thermal conductivity variation", Proc. SPIE 8621, Optical Components and Materials X, 86211S (11 March 2013); https://doi.org/10.1117/12.2006643

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