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Investigation of the Mueller Matrix elements of the liquid crystal cell illuminated with a broad band light source

机译:用宽带光源照明的液晶单元的穆勒矩阵元素的研究

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摘要

The Mueller Matrix (MM) elements of the planar liquid crystal cell which is illuminated with a broad band light source was investigated and six MM elements were experimentally measured as functions of wavelength in the range of 500-800 nm at different cell alignment angles. Analysis of the MM curves were used to explain how the state of the linearly polarized light changes at the output of the LC cell. The trends of the MM curves were found to be in agreement with the recent studies on Mueller Stokes characterization of the LC based electro-optical devices. The values at different wavelengths correspond to different phase retardation values, hence it is parallel to changing the cell thickness. It is also found that the state of the polarization ellipse of the travelling light is an important factor that affects the amount of light depolarization.
机译:研究了用宽带光源照明的平面液晶单元的Mueller矩阵(MM)元素,并在不同的单元排列角度下,通过实验测量了六个MM元素作为波长在500-800 nm范围内的函数。通过对MM曲线的分析来解释线偏振光的状态在LC单元的输出端如何变化。发现MM曲线的趋势与基于LC的电光器件的Mueller Stokes表征的最新研究一致。不同波长下的值对应于不同的相位延迟值,因此它与改变单元厚度平行。还发现行进光的偏振椭圆的状态是影响光去偏振量的重要因素。

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