Chinese Journal of Lasers B, 2001, 10 (1): 1, 网络出版: 2006-08-10  

Thermal Lensing, Laser Performance at 1.06 μm and 0.53 μm of a NYAB Laser End-pumped by a Diode-laser-array

作者单位
National Laboratory of Crystal Materials, Shandong University,Jinan 250100, China
摘要
Abstract
The thermal lensing, output characteristics of an end-pumped NYAB laser with high pump power levels and operated at the fundamental wavelength, and the manner of self-frequency-doubling, have been investigated. The thermal lensing in the NYAB crystal was found to be significantly stronger than that in Nd:YVO4 crystal. A maximum output of 3.2 W at 1.06 μm was achieved with an optical conversion efficiency of 29.1% and an average slope efficiency of 37.5%. These results were found to be slightly inferior to those of Nd:YVO4 crystal. When operated in the fashion of selffrequency-doubling, 23 mW green output was obtained at the incident pump power of 5 W, such inefficient operation was attributed to the large mode size in the NYAB crystal.

LIU Junhai, WANG Jiyang, SUN Lianke, SHAO Zongshu, JIANG Minhua. Thermal Lensing, Laser Performance at 1.06 μm and 0.53 μm of a NYAB Laser End-pumped by a Diode-laser-array[J]. Chinese Journal of Lasers B, 2001, 10(1): 1. LIU Junhai, WANG Jiyang, SUN Lianke, SHAO Zongshu, JIANG Minhua. [J]. 中国激光(英文版), 2001, 10(1): 1.

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