2 μm激光抽运ZnGeP2中红外光参量振荡器
摘要
We present a 3-5 m optical parametric oscillator (OPO) based on ZGP pumped by KTP OPO 2.1-m laser. The tuning curves of ZGP OPO are calculated. The 8 6 18 (mm) ZGP crystal, whose end faces are antireflection coated at 2.1 and 3.7-4.6 m, is cut as =53.5 , =0 . When the pump power of 2.1-m polarized laser is 15 W at 8 kHz, 5.7-W output power and 46.6% slope efficiency are obtained with a ZGP type I phase match. Central wavelengths of the signal and idler lasers are 4.10 and 4.32 m, respectively. Pulse duration is about 27 ns. Beam quality factor M 2 is better than 1.8. The tunability of 3-5 m can be achieved by changing the angle of the ZGP crystal.
引用本文（GB/T 7714）
Yuefeng Peng, Xingbin Wei, Weimin Wang. 2 μm激光抽运ZnGeP2中红外光参量振荡器[J]. Chinese Optics Letters, 2011.
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