Chinese Optics Letters, 2011, 9 (8): 081404, Published Online: Jun. 22, 2011
High-power picosecond regenerative amplifier based on CW diode side-pumped Nd:YAG with high beam quality 
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Abstract
A compact high-power picosecond regenerative amplifier based on continuous wave (CW) diode side-pumped Nd:YAG is demonstrated. Average power of 8.8 W is achieved at a repetition rate of 5 kHz at a wavelength of 1 064 nm with a pulse duration of 28 ps, corresponding to a pulse energy of 1.76 mJ and a peak power of 62.9 MW. The beam quality is close to the diffraction limit with M2x = 1.24, M2y =1.03. To the best of our knowledge, this is the highest pulse energy obtained from a CW diode pumped Nd:YAG picosecond regenerative amplifier.
Hua Lin, Jinfeng Li, Jinping He, Xiaoyan Liang. High-power picosecond regenerative amplifier based on CW diode side-pumped Nd:YAG with high beam quality[J]. Chinese Optics Letters, 2011, 9(8): 081404.
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