期刊
OPTICS LETTERS
卷 45, 期 16, 页码 4595-4598出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.400951
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资金
- National Key Research and Development Program of China [2018YFC1004800]
We report a high energy, narrow spectral linewidth mid-infrared laser pulse output from a Nd:Y3Al5O12 laserpumped BaGa4Se7 (BGSe) crystal-based optical parametric oscillator (OPO). Output pulse energy of 21.5 mJ was obtained at 3816 nm, with spectral width of 12 nm and pulse width of 11.4 ns, corresponding to peak power as high as 1.89 MW A BGSe crystal with aperture size of 10 mm x 10 mm and length of 16 mm was applied as the nonlinear crystal in a pump fed back OPO for achieving such high pulse energy output from the simple oscillator scheme. (C) 2020 Optical Society of America
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