Journal
APPLIED OPTICS
Volume 54, Issue 20, Pages 6182-6185Publisher
OPTICAL SOC AMER
DOI: 10.1364/AO.54.006182
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Funding
- Knowledge Innovation Program of Chinese Academy of Sciences
- National Development Project for Major Scientific Research Facility [ZDYZ2012-2]
- National High Technology Research and Development Program of China
- National Instrumentation Program [2012YQ120048]
- National Major Research Project
- National Natural Science Foundation of China (NSFC) [61138004]
- State Key Program for Basic Research of China
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An efficient all-solid-state picosecond (ps) ultraviolet (UV) laser at 335 nm was demonstrated based on frequency quadrupling of a mode-locked 1342 nm MOPA system. An output power of 0.95 W was obtained under a fundamental wave power of 16.38 W, corresponding to a conversion efficiency of 5.8% from infrared to UV. The repetition rate and pulse duration were 77 MHz and 20.2 ps, respectively. The beam quality factor M-2 was measured to be 1.56. This is, to the best of our knowledge, the highest output power at 335 nm. (C) 2015 Optical Society of America
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