期刊
OPTICAL MATERIALS EXPRESS
卷 6, 期 7, 页码 2374-2379出版社
OPTICAL SOC AMER
DOI: 10.1364/OME.6.002374
关键词
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资金
- National Natural Science Foundation of China [61475089, 61435010]
- Science and Technology Development Projects of Shandong Province [2013GGX10108]
- Science and Technology Innovation Commission of Shenzhen [KQTD2015032416270385, JCYJ20150625103619275]
Few-layer black phosphorus (BP) was successfully fabricated by liquid phase exfoliation (LPE) method. By using the BP saturable absorber (SA), a passively Q-switched solid-state laser at the central wavelength of 1988 nm was demonstrated. Under an absorbed diode-pumped power of 3.38 W, an average power of 151 mW was generated with a minimum pulse width of 1.78 mu s and repetition rate of 19.25 kHz, corresponding to pulse energy of 7.84 mu J. Our experimental results showed that BP could be used as an excellent SA for achieving mid-infrared solid-state pulsed lasers. To the best of our knowledge, it was the first time to obtain a Q-switched solid-state laser of 2 mu m based on BP-SA. (C)2016 Optical Society of America
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