Spectroscopic characterization of various Yb3+ doped laser materials at cryogenic temperatures for the development of high energy class diode pumped solid state lasers

Venkatesan Jambunathan; Joerg Koerner; Pawel Sikocinski; Martin Divoky; Magdalena Sawicka; Antonio Lucianetti; Joachim Hein; Tomas Mocek

doi:10.1117/12.2016915

7 May 2013 Spectroscopic characterization of various Yb³⁺ doped laser materials at cryogenic temperatures for the development of high energy class diode pumped solid state lasers

Venkatesan Jambunathan, Joerg Koerner, Pawel Sikocinski, Martin Divoky, Magdalena Sawicka, Antonio Lucianetti, Joachim Hein, Tomas Mocek

Author Affiliations +

Proceedings Volume 8780, High-Power, High-Energy, and High-Intensity Laser Technology; and Research Using Extreme Light: Entering New Frontiers with Petawatt-Class Lasers; 87800G (2013) https://doi.org/10.1117/12.2016915
Event: SPIE Optics + Optoelectronics, 2013, Prague, Czech Republic

Abstract

Precise values of absorption, emission and gain cross-sections of Yb:YAG, Yb:LuAG, Yb:CaF₂ and Yb:FP15-glass at cryogenic temperatures are presented. To obtain the emission cross-sections two theoretical approaches were used. The first is the McCumber or reciprocity method (RM) which is based on the absorption spectra. The second is the Fuchtbauer-Ladenburg (FL) method using fluorescence spectra. From the results of cross-sections one can expect significant impact on laser performance on these materials especially in the case of high energy class diode pumped solid state lasers.

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Venkatesan Jambunathan, Joerg Koerner, Pawel Sikocinski, Martin Divoky, Magdalena Sawicka, Antonio Lucianetti, Joachim Hein, and Tomas Mocek "Spectroscopic characterization of various Yb³⁺ doped laser materials at cryogenic temperatures for the development of high energy class diode pumped solid state lasers", Proc. SPIE 8780, High-Power, High-Energy, and High-Intensity Laser Technology; and Research Using Extreme Light: Entering New Frontiers with Petawatt-Class Lasers, 87800G (7 May 2013); https://doi.org/10.1117/12.2016915

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