Diode-Pumped Quasi-Three-Level Passively Q-Switched Nd:GGG Laser with a Codoped Nd,Cr:YAG Saturable Absorber
HE Kun-Na1,2, GAO Chun-Qing1, WEI Zhi-Yi2, LI Qi-Nan2, ZHANG Zhi-Guo2, JIANG Hai-He3, YIN Shao-Tang3, ZHANG Qing-Li3
1School of Opto-Electronics, Beijing Institute of Technology, Beijing 1000812Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, PO Box 603, Beijing 1001903Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031
Diode-Pumped Quasi-Three-Level Passively Q-Switched Nd:GGG Laser with a Codoped Nd,Cr:YAG Saturable Absorber
HE Kun-Na1,2, GAO Chun-Qing1, WEI Zhi-Yi2, LI Qi-Nan2, ZHANG Zhi-Guo2, JIANG Hai-He3, YIN Shao-Tang3, ZHANG Qing-Li3
1School of Opto-Electronics, Beijing Institute of Technology, Beijing 1000812Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, PO Box 603, Beijing 1001903Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031
摘要We demonstrate the first quasi-three-level passively Q-switched Nd:GGG laser at 937nm using a Nd,Cr:YAG crystal as the saturable absorber. The dependences of the average output power, the repetition rate and the pulse width on the incident pump power are obtained. A maximum average output power of 1.18W with repetition rate of 35kHz and pulse width of 45ns is achieved at an incident pump power of 18.3W. The corresponding optical-to-optical and slope efficiencies are 6% and 10%, respectively.
Abstract：We demonstrate the first quasi-three-level passively Q-switched Nd:GGG laser at 937nm using a Nd,Cr:YAG crystal as the saturable absorber. The dependences of the average output power, the repetition rate and the pulse width on the incident pump power are obtained. A maximum average output power of 1.18W with repetition rate of 35kHz and pulse width of 45ns is achieved at an incident pump power of 18.3W. The corresponding optical-to-optical and slope efficiencies are 6% and 10%, respectively.
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2009, Vol. 26 
