激光环境散射率测量装置的设计

发布时间：2018-06-26 05:34

本文选题：散射率 + 粒子　；参考：《实验室研究与探索》2017年06期

【摘要】：设计了一种大气环境散射率测量装置,用于测量普通大气环境中粒子对激光散射率,用以反映测量环境对光束的散射程度,进而评估测量环境能否满足散射测量。该装置以稳功率激光器为光源,让光束穿过积分球空腔,使空腔内的粒子在空腔内发生散射,从而散射光都被积分球所收集,再使用光电倍增管测量积分球收集的散射光强,并采用相关检查方法进行信号处理,有效去除背景噪声。在实验室环境进行了测量,结果表明,测量精度最高可达0.1×10~(-6),装置误差达到±2%,实现了散射率的高精度测量。
[Abstract]:A device for measuring the scattering rate of atmospheric environment is designed, which is used to measure the laser scattering rate of particles in the ordinary atmospheric environment, which can reflect the scattering degree of the light beam in the measurement environment, and then evaluate whether the measurement environment can meet the scattering measurement. The device uses a steady power laser as a light source to allow the beam to pass through the integrated sphere cavity, and the particles in the cavity are scattered in the cavity, so that the scattered light is collected by the integration sphere, and then the intensity of the scattering light collected from the integrated sphere is measured by using a photomultiplier tube. The correlation checking method is used for signal processing to remove background noise effectively. The measurement results in laboratory environment show that the measurement accuracy is up to 0.1 脳 10 ~ (-6) and the device error is 卤2. The high precision measurement of scattering rate is realized.
【作者单位】：西安工业大学陕西省薄膜技术与光学检测重点实验室光电工程学院;
【基金】：陕西省工业科技攻关项目(2015GY048) 总装基金项目(9140A18020214BQ52001)
【分类号】：O436.2

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