標題: 24-W cryogenically cooled Nd:YAG monolithic 946-nm laser with a slope efficiency > 70%
作者: Cho, C. Y.
Lee, C. Y.
Chang, C. C.
Tuan, P. H.
Huang, K. F.
Chen, Y. F.
電子物理學系
電子工程學系及電子研究所
Department of Electrophysics
Department of Electronics Engineering and Institute of Electronics
公開日期: 20-四月-2015
摘要: A high-power efficient monolithic Nd: YAG 946-nm laser is demonstrated at the cryogenic temperature. By exploring the absorption and the fluorescence spectra of the Nd: YAG crystal, it reveals the fact that the absorption bandwidth at 808 nm is narrowing and the fluorescence intensity at 1061 nm is significant enhanced when the temperature is decreased. The temperature dependence of the lasing threshold at 946 nm is found to display a minimum value near a temperature of 170 K. At an incident pump power of 34.5 W, the local heating leads the optimum temperature to be approximately 120 K and the maximum output power can reach 24.4 W with the conversion efficiency of 71% as well as the slope efficiency up to 75%. (C)2015 Optical Society of America
URI: http://dx.doi.org/10.1364/OE.23.010126
http://hdl.handle.net/11536/124671
ISSN: 1094-4087
DOI: 10.1364/OE.23.010126
期刊: OPTICS EXPRESS
Volume: 23
起始頁: 10126
結束頁: 10131
顯示於類別:期刊論文