| Original Articles |
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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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| Cite this article: |
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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.
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| Keywords:
42.55.Rz
42.55.Xi
42.65.Ky
42.70.Hj
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Published: 01 July 2003
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| PACS: |
42.55.Rz
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(Doped-insulator lasers and other solid state lasers)
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42.55.Xi
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(Diode-pumped lasers)
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42.65.Ky
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(Frequency conversion; harmonic generation, including higher-order harmonic generation)
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42.70.Hj
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(Laser materials)
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