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首页> 美国政府科技报告 >Studies by a Mesospheric Sodium Guidestar Pumped by Continuous Wave Sum- Frequency Mixing of Two Nd: YAG Laser in Lithium Triborate (Preprint)
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Studies by a Mesospheric Sodium Guidestar Pumped by Continuous Wave Sum- Frequency Mixing of Two Nd: YAG Laser in Lithium Triborate (Preprint)

机译：两种Nd：YaG激光在三硼酸锂中的连续波和 - 频率混合泵浦的中间层钠导星研究（预印本）

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Mesospberic sodium guidestar radiance is plotted vs. wavelength, fasor power, fasor polarization and date Peak radiance for circular polarization was about 7000 photons/sec/sq cm (Vl magnitude 5.1) for 30 watts of pump power in November of 2005. Pumping with circular polarization at high power produces about 2 times more return than linear polarization. Pumping D2a at high power produces about 12 times more return than pumping D2b. A lidar equation is used to determine column density. Patimated maximum possible guidestar radiance is about 3 times greater than measured values. Guidestar radiance may be saturated by atoms becoming trapped in F' = 1 and atomic recoil.

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