Chinese Optics, Volume. 16, Issue 4, 861(2023)
Tunable long-wave infrared optical parametric oscillator based on temperature-adjustable ZnGeP2
Fig. 2. Calculated wavelength tuning curves and measured wavelengths at different matching angles. (a)
Fig. 3. Output powers at different matching angles and temperatures
Fig. 4. Beam quality and spot of idler at the wavelength of 8.77 μm
Fig. 5. Output characteristics of idler with the wavelength of 8.77 μm. (a) Relationship between output power and pulse waveform; (b) power instability
Table 1. Parameter values in Sellmeier equations
View tableView in ArticleTable 1. Parameter values in Sellmeier equations
Parameter Value ne no A(T) 5.23-6.4345×10−4T +1.8373×10−6T2 −4.9464×10−9T3 4.4011+7.948×10−5T +2.0697×10−6T2 −6.3256×10−9T3 B(T) 4.5037+1.2308×10−3T −9.7765×10−7T2 +4.6323×10−9T3 5.1168+4.0214×10−4T −1.0452×10−6T2 +5.8067×10−9T3 c 0.15503 0.134894 d 1.56991 1.31394 f 706.750 603.937
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Jun-tao TIAN, Hui LI, Li-li ZHAO, Zhi-yong LI, Hai WANG, Song-yang LIU, Wen-ning XU, Jin-zhou BAI, Rong-qing TAN. Tunable long-wave infrared optical parametric oscillator based on temperature-adjustable ZnGeP2[J]. Chinese Optics, 2023, 16(4): 861
Category: Original Article
Received: Oct. 18, 2022
Accepted: Dec. 12, 2022
Published Online: Jul. 27, 2023
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