光电技术应用, 2017, 32 (1): 81, 网络出版: 2017-03-31   

基于探测器阵列的激光远场特性测量误差分析

Error Analysis of Laser Far Field Characteristics Measurement Based on Detector Array
作者单位
91404部队, 河北 秦皇岛 066001
摘要
激光在大气传输中, 受湍流、热晕和消光等的影响, 远场功率密度分布相对于激光器出口有较大变化, 精确测量远场激光光斑能量、光束质量和质心漂移等重要参数, 对于分析激光的大气传输效应具有重要意义。重点讨论了探测器点阵法激光远场特性测量技术中测量误差的组成与产生原因, 定量分析了误差的大小, 并提出了减小测量误差的有效方法, 为进一步探索激光与大气介质相互作用规律提供依据。
Abstract
During laser propagating in atmosphere, the power density distribution in far field changes greatly relative to laser exit due to the turbulence affection, the thermal blooming and extinction. Accurate measuring important parameters such as laser facula energy, beam quality and centroid shifting in the far field are important to analyze laser atmospheric transmission effect. The measurement error and causes in detector lattice array method laser far field characteristic measurement technology are discussed. The errors are analyzed quantitatively and an effective method to reduce the measurement error is proposed, which provides the basis for further exploring the interaction law between laser and atmospheric medium.

叶宗民. 基于探测器阵列的激光远场特性测量误差分析[J]. 光电技术应用, 2017, 32(1): 81. YE Zong-min. Error Analysis of Laser Far Field Characteristics Measurement Based on Detector Array[J]. Electro-Optic Technology Application, 2017, 32(1): 81.

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