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Experimental 511W Composite Nd:YAG Ceramic Laser |
| LI Hai-Feng;XU De-Gang;YANG Yang;WANG Yu-Ye;ZHOU Rui;ZHANG Tie-Li;ZHAO Xin;WANG Peng;YAO Jian-Quan |
| College of Precise Instrument and Optoelectronics Engineering, Institute of Laser and Optoelectronics, Tianjin University, Tianjin 300072
Key Laboratory of Optoelectronic Information and Technical Science (Ministry of Education), Tianjin University, Tianjin 300072
Cooperated Institute of Nankai University and Tianjin University, Tianjin 300072 |
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| Cite this article: |
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LI Hai-Feng, XU De-Gang, YANG Yang et al 2005 Chin. Phys. Lett. 22 2565-2567 |
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Abstract We demonstrate a 511W laser diode pumped composite Nd:YAG ceramic laser. The optical pumping system is consisted of five laser diode stacked arrays arranged in a pentagonal shape around the ceramic rod whose size is Ф6.35×144mm. When the pumping power is 1600W, the cw laser output up to 511W at 1064nm can be obtained with a linear plano--plano cavity, and the optical-to-optical efficiency is 31.9%. To our knowledge, this is the highest value of laser output by using a newly invented composite Nd:YAG ceramic rod as the gain medium.
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| Keywords:
42.55.Xi
42.60.Pk
42.70.Hj
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Published: 01 October 2005
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