| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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An 885-nm Direct Pumped Nd:CNGG 1061 nm Q-Switched Laser |
| LI Qi-Nan1,2**, ZHANG Tao1, FENG Bao-Hua2, ZHANG Zhi-Guo2, ZHANG Huai-Jin3, WANG Ji-Yang3 |
1Department of Physics, College of Science, Qiqihar University, Qiqihar 161006
2Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190
3State Key Laboratory of Crystal Materials and Institute of Crystal Materials, Shandong University, Jinan 250100
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| Cite this article: |
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LI Qi-Nan, ZHANG Tao, FENG Bao-Hua et al 2014 Chin. Phys. Lett. 31 074209 |
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Abstract The 885 nm direct pumping method, directly into the 4F3/2 emitting level of Nd3+ ion, is used to a Nd:CNGG crystal to product passive Q-switched 1061 nm laser pulses, for the first time to the best of our knowledge. A maximum average output power of 1.16 W for 1061 nm Q-switched pulses and a repetition rate of 12.54 kHz are obtained. The pulse width is measured to be 24 ns and the peak power is 3.843 kW. A high-quality fundamental transverse mode can be observed owing to the reduction of the thermal effect for Nd:CNGG crystal by 885 nm direct pumping.
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Published: 30 June 2014
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