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采用美国ANSI标准,定量分析了机载环境激光雷达进行气溶胶探测时激光脉冲眼睛安全最大阈值能量、激光束发散角及高度的关系;计算了当1064nm和532nm激光脉冲能量相等时不同高度上激光脉冲眼睛安全最大阈值能量;同时模拟计算了激光脉冲眼睛安全系数S_L与1064nm和532nm的激光脉冲能量、高度的关系,为我国第一台机载大气探测激光雷达探测气溶胶提供了激光脉冲能量设置的理论依据。
The ANSI standard was used to quantitatively analyze the maximum threshold energy, the divergence angle and the height of the laser pulse eye during the aerosol detection of airborne Lidar. The laser beam at different heights was calculated when the energy of 1064nm and 532nm laser pulses were equal And the maximum threshold energy of pulse eye safety is also calculated. At the same time, the relationship between laser pulse eye safety factor S_L and laser pulse energies and heights at 1064nm and 532nm is simulated and the laser pulse energy setting is provided for the first airborne LAS probe aerosol in China The theoretical basis.