The temperature tuning of BaGa_(4)Se_(7)(BGSe)was demonstrated for the first time,to the best of our knowledge.When the temperature of BGSe(56.3°,0°)was raised from 30℃ to 140℃,the idler light under type ...The temperature tuning of BaGa_(4)Se_(7)(BGSe)was demonstrated for the first time,to the best of our knowledge.When the temperature of BGSe(56.3°,0°)was raised from 30℃ to 140℃,the idler light under type Ⅰ raised from 3637 nm to 3989 nm,the tunable range reached 352 nm,and Δλ_(2)=ΔT reached 3.20 nm/℃.We calculated the phase matching curve of BGSe when Φ and T took different values.The relationship between θ and Δλ_(2)=ΔT was obtained by fixing Φ at 0°.The maximum Δλ_(2)=ΔT and its corresponding(θ,Φ)phase matching type were reported under different fixed λ_(2)(3μm,3.2μm,...,5μm).展开更多
基金supported by the Director Foundation of State Key Laboratory of Pulsed Power Laser Technology(Nos.SKL2019ZR03 and SKL2019ZR06)the Open Research Foundation of State Key Laboratory of Pulsed Power Laser Technology(No.SKL2019KF05)the Natural Science Foundation of Anhui Province(No.1908085MF199)。
文摘The temperature tuning of BaGa_(4)Se_(7)(BGSe)was demonstrated for the first time,to the best of our knowledge.When the temperature of BGSe(56.3°,0°)was raised from 30℃ to 140℃,the idler light under type Ⅰ raised from 3637 nm to 3989 nm,the tunable range reached 352 nm,and Δλ_(2)=ΔT reached 3.20 nm/℃.We calculated the phase matching curve of BGSe when Φ and T took different values.The relationship between θ and Δλ_(2)=ΔT was obtained by fixing Φ at 0°.The maximum Δλ_(2)=ΔT and its corresponding(θ,Φ)phase matching type were reported under different fixed λ_(2)(3μm,3.2μm,...,5μm).