Wenming Yao, Lihua Deng, Yubing Tian, Aolei Chang, Peng Wang, Jiansheng Chen, Huiming Tan, Jing Gao. High-conversion-efficiency continuous-wave near-infrared singly resonant optical parametric oscillator[J]. Infrared and Laser Engineering, 2022, 51(7): 20210654
- Infrared and Laser Engineering
- Vol. 51, Issue 7, 20210654 (2022)
Fig. 1. Experimental setup of the CW MgO:sPPLT-OPO
Fig. 2. Spatial beam profile of the pump light in the cavity after focusing by the lens
Fig. 3. Signal output power as function of the pump power with different kinds of laser cavity lengths at 27 ℃
Fig. 4. Output power of the different signal light at pump power 13.6 W and temperature 27 ℃
Fig. 5. Signal output power and conversion efficiency as functions with pump power when the poling periods are 8.3, 8.4, 8.5 and 8.6 μm at 27 ℃. (a) Signal output power; (b) Conversion efficiency
Fig. 6. Output spectrum curve of the MgO:sPPLT-OPO at 27 ℃
Fig. 7. Polarization periodic tuning curve of the CW MgO:sPPLT-OPO at 27 ℃
Fig. 8. Signal and idler wavelength tuning varies with temperature when the grating periods are 8.3, 8.4, 8.5 and 8.6 μm
Fig. 9. Temperature tuning rates of signal and idler spectra at poling periods of 8.3, 8.4, 8.5 and 8.6 μm
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Table 1. Signal beam profile of different periods
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