Chin. Phys. Lett.  2003, Vol. 20 Issue (7): 1064-1066    DOI:
Original Articles |
Diode-Pumped Compact cw Frequency-Doubled Nd:YAG Laser in the Watt Range at 473 nm
LI Ping-Xue1;LI De-Hua1;ZHANG Zhi-Guo1;ZHANG Shi-Wen2
1Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080 2North China Research Institute of Electro-Optics, Beijing 100015
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LI Ping-Xue, LI De-Hua, ZHANG Zhi-Guo et al  2003 Chin. Phys. Lett. 20 1064-1066
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Abstract We report a diode-pumped cw Nd:YAG laser operating on the 4F3/2-4I9/2 transition at 946 nm, for which a maximum output power of 4.5 W with a slope efficiency of 21% is achieved at an incident pump power of 26 W. Two LiB3O5 (LBO) crystals of different lengths (3 x 3 x 10 mm and 3 x 3 x 15 mm), cut for critical type I phase matching at room temperature, have been used for intracavity frequency doubling, and through optimization of the structure and elements of the cavity, a maximum single-ended blue output power of 1.1 W has been obtained with an optical conversion efficiency of 4.2%. A stability better than 4.8% with no mode hopping over a period of 2 h has been achieved.
Keywords: 42.55.Rz      42.55.Xi      42.65.Ky      42.70.Hj     
Published: 01 July 2003
PACS:  42.55.Rz (Doped-insulator lasers and other solid state lasers)  
  42.55.Xi (Diode-pumped lasers)  
  42.65.Ky (Frequency conversion; harmonic generation, including higher-order harmonic generation)  
  42.70.Hj (Laser materials)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2003/V20/I7/01064
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LI Ping-Xue
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