光子学报, 2017, 46 (1): 0116003, 网络出版: 2017-02-09   

空间目标材料偏振光学特性研究

Research on Polarized Optical Properties of Space Target Material
作者单位
1 中国科学院西安光学精密机械研究所 光谱成像技术重点实验室, 西安 710119
2 中国科学院大学, 北京 100049
摘要
基于二向反射模型, 对碳纤维、渗碳膜、F46和OSR四种典型的空间目标样本的偏振光谱数据进行测量; 通过测算样本Stokes参量获取样品多角度下的线偏振度与偏振角信息, 并对其进行统计.结果表明, 样本线偏振度和线偏振角的均值、方差之间存在较大差异, 对比分析样本均值和方差之间的关系能有效提高目标的探测和识别性能, 可以解决传统光谱技术上产生的“同物异谱”和“同谱异物”问题; 所获取的偏振特性可为偏振遥感提供更多的光学信息.
Abstract
Based on the bidirectional reflectance model, the polarization characteristics and spectral radiosities of four space target samples, such as carbon fiber, carburizing film, F46 and OSR, were measured. By calculating the Stokes parameters of the samples, the degrees of linear polarization and polarization orientations under multiple observing angles were obtained and recorded. The statistical results show that, the different samples have great differences in average and variance of the degree of linear polarization and Orientation. The analysis of the difference between the average and variance of samples can improve the effects in detecting and identifying simples efficiently and solve the “Same object with different spectrums” and “Foreign body in the same spectrum” problems occurred in spectroscopic techniques. The polarization property provides more optical information for remote sensing, which is an effective and reliable method for target recognition.

袁博, 高静, 杨凡超, 胡炳樑, 高晓惠. 空间目标材料偏振光学特性研究[J]. 光子学报, 2017, 46(1): 0116003. YUAN Bo, GAO Jing, YANG Fan-chao, HU Bing-liang, GAO Xiao-hui. Research on Polarized Optical Properties of Space Target Material[J]. ACTA PHOTONICA SINICA, 2017, 46(1): 0116003.

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