Minqiang Kang, Ying Deng, Xiongwei Yan, Xiaoming Zeng, Yangwu Guo, Jiyong Yao, Fa Zeng, Jiangang Zheng, Kainan Zhou, Chongbing Qu, Jingqin Su, Qihua Zhu. A compact and efficient 4.25 μm BaGa4Se7 optical parametric oscillator[J]. Chinese Optics Letters, 2019, 17(12): 121402
- Chinese Optics Letters
- Vol. 17, Issue 12, 121402 (2019)
Fig. 1. Type-I phase matching curve of the OPO by 1064 nm in BGSe.
Fig. 2. Experimental configuration of the extracavity BGSe OPO.
Fig. 3. Pulse energy and pulse width at 1064 nm versus the diode pump current of the Q-switched Nd:YAG laser.
Fig. 4. Beam profile of the pump light of 1064 nm.
Fig. 5. Spectrum of the pump and signal waves.
Fig. 6. Output pulse energy at 4.25 μm idler light versus the pump (1064 nm) pulse energy.
Fig. 7. Measured temporal pulse shapes of the 1064 nm pump wave and 1.419 μm signal wave for BGSe-II at a pump energy of 13.5 mJ.
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