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Spectral density response functions for modulated polarimeters

机译:调制偏振计的光谱密度响应函数

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Conventional imaging devices are often compared using their optical transfer functions (OTFs) in space and their impulse responses in time. Modulated polarimeters cannot be directly compared this way, since they are frequency multiplexed. Here we define a spectral density response function that describes how the spectral density matrix of the Stokes parameters for an object transfers through a modulated polarimeter. This response function facilitates the objective comparison of polarimeters in a way that is analogous to the OTF for conventional imaging systems. The spectral density response is used to calculate a Wiener filter for a rotating analyzer polarimeter as an example of filter optimization for modulated polarimetry. (C) 2015 Optical Society of America
机译:通常使用空间中的光学传递函数(OTF)和时间上的脉冲响应来比较常规成像设备。由于调制偏振计是频率复用的,因此无法直接比较。在这里,我们定义了一个光谱密度响应函数,该函数描述了对象的斯托克斯参数的光谱密度矩阵如何通过调制偏振仪进行传输。该响应功能以类似于常规成像系统的OTF的方式,促进了偏振计的客观比较。光谱密度响应用于计算旋转分析仪旋光计的维纳滤波器,作为调制偏振计的滤波器优化示例。 (C)2015年美国眼镜学会

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