| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Research on High-Intensity Picosecond Pump Laser in Short Pulse Optical Parametric Amplification |
| PAN Xue**, PENG Yu-Jie, WANG Jiang-Feng, LU Xing-Hua, OUYANG Xiao-Ping, CHEN Jia-Lin, JIANG You-En, FAN Wei, LI Xue-Chun |
The Joint Laboratory on High Power Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800
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| Cite this article: |
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PAN Xue, PENG Yu-Jie, WANG Jiang-Feng et al 2013 Chin. Phys. Lett. 30 014202 |
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Abstract A 527 nm pump laser generating 1.7 mJ energy with peak power of more than 0.12 GW is demonstrated. The theoretical simulation result shows that it has 106 gain in the picosecond-pump optical parametric chirped pulse amplification when the pump laser peak power is 0.1 GW and the intensity is more than 5 GW/cm2, and that it can limit the parametric fluorescence in the picosecond time scale of pump duration. The pump laser system adopts a master-oscillator power amplifier, which integrates a more than 30 pJ fiber-based oscillator with a 150 μJ regenerative amplifier and a relay-imaged four-pass diode-pump Nd glass amplifier to generate a 1 Hz top hat spatial beam and about 14 ps temporal Guassian pulse with <2% pulse-to-pulse energy stability. The output energy of the power amplifier is limited to 4 mJ for B-integral concern, and the frequency doubling efficiency can reach 65% with input intensity 10 GW/cm2.
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Received: 19 July 2012
Published: 04 March 2013
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| PACS: |
42.65.Yj
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(Optical parametric oscillators and amplifiers)
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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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