Dongdong Meng, Zhanduo Qiao, Baoguang Gao, Tianqi Wang, Zhongwei Fan. Experimental study on tunable characteristics of optical parametric oscillator based on ZnGeP2in long-infared dual-band[J]. Infrared and Laser Engineering, 2022, 51(5): 2021G008
- Infrared and Laser Engineering
- Vol. 51, Issue 5, 2021G008 (2022)
Fig. 1. Type I phase matching curve of ZGP
Fig. 2. Experimental setup of tunable LIR laser
Fig. 3. Experimental setup of fundamental light pulse at 50 Hz
Fig. 4. Schematic diagram of pump structure of oscillator
Fig. 5. Output energy versus incident current as the single-pulse energy of oscillator is 23 mJ
Fig. 6. Experimental setup of KTP-OPO
Fig. 7. Single-pulse energy of KTP versus fundamental of 1064 nm
Fig. 8. Characteristics of wavelength of KTP-OPO
Fig. 9. Experimental setup of ZGP-OPO
Fig. 10. Angle-tuning of ZGP-OPO
Fig. 11. Relationship between the single-pulse energy of ZGP-OPO and the pump energy
Fig. 12. Spectrum of signal of ZGP-OPO at different pump wavelengths
Fig. 13. Pump wavelength-tuning
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