Temperature tuning of BaGa4Se7 optical parametric oscillator Download: 752次
1 State Key Laboratory of Pulsed Power Laser Technology, National University of Defense Technology, Hefei 230037, China
2 Advanced Laser Technology Laboratory of Anhui Province, Hefei 230037, China
3 Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
Figures & Tables
Fig. 1. Phase matching curves of BGSe at room temperature under (a) type I and (b) type II-B conditions ().
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Fig. 2. Phase matching curve at 20°C, 80°C, and 140°C under (a) type I and (b) type II-B conditions (, ).
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Fig. 3. Wavelength of idler light at T and T at each when under (a) type I and (b) type II-B conditions.
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Fig. 4. Schematic diagram of the experimental setup.
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Fig. 5. Output at 3611–3619 nm of BGSe (56.3°, 0°).
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Fig. 6. Idler light’s peak wavelength of BGSe (56.3°, 0°) at 30°C–140°C.
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Table1. Peak of T and Corresponding (), Matching Type When Is Fixed
(20°C) [] | 3 | 3.2 | 3.4 | 3.6 | 3.8 | 4 | 4.2 | 4.4 | 4.6 | 4.8 | 5 |
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I | [°] | 59.5 | 58.4 | 57.3 | 56.4 | 55.4 | 54.6 | 53.6 | 52.9 | 52.2 | 51.5 | 50.8 | [°] | 4.1 | 4.5 | 5.3 | 3.4 | 4.3 | 1.8 | 5 | 3.3 | 2 | 1.9 | 3 | (140°C) [μm] | 3.28 | 3.48 | 3.69 | 3.90 | 4.11 | 4.32 | 4.53 | 4.75 | 4.96 | 5.18 | 5.40 | T [nm/°C] | 2.36 | 2.36 | 2.39 | 2.47 | 2.55 | 2.66 | 2.77 | 2.90 | 3.03 | 3.18 | 3.33 | II-B | [] | 89.3 | 77.6 | 72.6 | 68.8 | 66.1 | 63.9 | 61.9 | 60.2 | 58.7 | 57.4 | 56.2 | [] | 8.5 | 3.4 | 1.9 | 5.9 | 4.4 | 1.3 | 2.6 | 2.4 | 2.5 | 1 | 1.4 | (140°C) [μm] | 3.12 | 3.33 | 3.55 | 3.76 | 3.97 | 4.19 | 4.40 | 4.62 | 4.84 | 5.05 | 5.27 | T [nm/°C] | 0.99 | 1.10 | 1.21 | 1.33 | 1.44 | 1.57 | 1.70 | 1.83 | 1.97 | 2.12 | 2.27 |
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Table2. T When Is Close to 0° and at 140°C
[] | 56.3 | 56.4 | 56.5 | [] | 5.2 | 3.4 | 0 | (140°C) [nm] | 3895 | 3896 | 3892 | T [nm/°C] | 2.458 | 2.467 | 2.433 |
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Hui Kong, Jintian Bian, Jiyong Yao, Qing Ye, Xiaoquan Sun. Temperature tuning of BaGa4Se7 optical parametric oscillator[J]. Chinese Optics Letters, 2021, 19(2): 021901.