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介绍了在CFBR-Ⅱ脉冲堆上进行的 ̄3He─Ar─Xe体系的激光演示实验。当热中子注量率6×10 ̄(14)/cm ̄2·s,气体组配 ̄3He:Ar:Xe=34.7:34.7:0.267(kPa)时,获得波长λ=1.73μm、脉宽(FWHM)平均值738μs、峰值功率为毫瓦级的激光输出。同时对测得的光信号及其特性进行了分析。
The laser demonstration experiment of ~ 3He-Ar-Xe system on CFBR-Ⅱ pulse stack is introduced. When the thermal neutron fluence rate is 6 × 10 ~ (14) / cm ~ 2 · s and the gas group is equipped with 3 He: Ar: Xe = 34.7: 34.7: 0.267 (kPa) = 1.73μm, pulse width (FWHM) average of 738μs, the peak power is milliwatts of laser output. At the same time, the measured optical signal and its characteristics were analyzed.