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通过一台Nd:YAG激光器抽运两台脉冲染料激光器,产生589 nm和770 nm两种可调谐波长激光,分别激发钠层和钾层原子的共振荧光,再通过双光纤焦面分光接收,实现了利用一台激光雷达同时探测高空钠层和钾层,从而为更经济、更有效地开展高空钠层和钾层比较性探测研究提供了一种新的手段。
Two pulsed dye lasers are pumped by a Nd: YAG laser to produce two tunable wavelength lasers at 589 nm and 770 nm, which respectively excite the resonance fluorescence of the sodium and potassium layers and receive them through the double-fiber focal plane. Using a lidar to simultaneously detect the upper and lower sodium and potassium layers provides a new means for more economical and effective exploration of comparative exploration of the upper and lower sodium and potassium layers.