Kun Li, Suhui Yang, Xin Wang, Zhuo Li, Jinying Zhang. Highly Efficient Intensity-Modulated 532-nm Laser Based on Second Harmonic Generation with MgO∶PPLN Cascade[J]. Acta Optica Sinica, 2019, 39(6): 0614003
- Acta Optica Sinica
- Vol. 39, Issue 6, 0614003 (2019)
Fig. 1. Diagram of experimental setup of SHG by double crystal cascade
Fig. 2. SHG power and efficiency of double crystal SHG structure
Fig. 3. Normalized SHG efficiency as a function of distance between two crystals
Fig. 4. Comparison of SHG with double crystal and single crystal. (a) Output power; (b) efficiency of SHG
Fig. 5. Quasi-phase matching temperature
Fig. 6. Phase matching temperature bandwidth of MgO∶PPLN crystal
Fig. 7. Beat frequency of SHG laser
Fig. 8. Beat frequency of green laser. (a) Beat frequency stability of 150 MHz; (b) beat frequency stability of 300 MHz
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