| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Self-Q-Switched and Mode-Locked Cr,Nd:YAG Laser under Direct 885 nm Diode Laser Pumping |
| JIANG Man,ZHANG Qiu-Lin,ZHOU Wen-Jia,ZHANG Jing,ZHANG Dong-Xiang,FENG Bao-Hua** |
| Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190 |
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| Cite this article: |
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JIANG Man, ZHANG Qiu-Lin, ZHOU Wen-Jia et al 2012 Chin. Phys. Lett. 29 054214 |
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Abstract A simultaneous self-Q-switched and mode-locked laser in a direct 885 nm diode-pumped Cr,Nd:YAG crystal is demonstrated. An improvement of the slope efficiency (38.1%) in the absorbed pump power is obtained under direct pumping. Under the maximum output power of 3.36 W, the repetition rate of the Q-switched envelopes is 95 kHz and the corresponding pulse width is 400 ns. Almost 100% mode-locked modulation depth is observed at the output power of 75 mW. The repetition rate of mode-locked pulses within a Q-switched envelope is 130 MHz, and the mode-locked pulse width stays within the scale of 500 ps.
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Received: 12 March 2012
Published: 30 April 2012
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| PACS: |
42.55.Xi
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(Diode-pumped lasers)
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42.60.Fc
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(Modulation, tuning, and mode locking)
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42.55.Rz
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(Doped-insulator lasers and other solid state lasers)
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