Diode pumped Tm:YAP lasers of different doping concentrations

Fan Chen; Xiaojin Cheng; Jianqiu Xu; Guangjun Zhu

doi:10.1117/12.823252

18 February 2009 Diode pumped Tm:YAP lasers of different doping concentrations

Fan Chen, Xiaojin Cheng, Jianqiu Xu, Guangjun Zhu

Proceedings Volume 7276, Photonics and Optoelectronics Meetings (POEM) 2008: Laser Technology and Applications; 72761A (2009) https://doi.org/10.1117/12.823252
Event: Photonics and Optoelectronics Meetings, 2008, Wuhan, China

Abstract

The experimental investigation on the Tm:YAP lasers with different thulium doped concentrations and specialized crystal dimensions are concluded. The Tm:YAP samples were pumped by a laser diode array (LDA), with the centre wavelength of 790 nm, and adopted in the end-pumped configuration. A maximum 5 W CW output of 5% Tm:YAP laser was reported. Especially, we got a maximum 20 mW output power of 15% Tm:YAP with incident 18.93 W pump power, which was the first demonstration of laser emission for Tm:YAP crystals with the doping concentration higher than 5 at.%. The influences of doping concentration and crystal dimension, the characteristics of absorption and emission spectrum and polarization were discussed. The optimization of laser structure was also analyzed.

Citation Download Citation

Fan Chen, Xiaojin Cheng, Jianqiu Xu, and Guangjun Zhu "Diode pumped Tm:YAP lasers of different doping concentrations", Proc. SPIE 7276, Photonics and Optoelectronics Meetings (POEM) 2008: Laser Technology and Applications, 72761A (18 February 2009); https://doi.org/10.1117/12.823252

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