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Modeling and optimization for a prismatic snapshot imaging polarimeter

机译：棱镜快照成像旋光仪的建模和优化

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Thin birefringent prisms placed near an image plane introduce sinusoidal fringes onto a 2D polarized scene making possible a snapshot imaging polarimeter, which encodes polarization information into the modulation of the fringes. This approach was introduced by Oka and Kaneko [Opt. Express 11, 1510 (2003)], who analyzed the instrument through the Mueller calculus. We show that the plane-wave assumption adopted in the Mueller theory can introduce unnecessary error in a polarimeter design. To directly take prism effects such as beam splitting and deviating into accounts we introduce a geometric imaging model, which allows for a versatile simulation of the birefringent prisms and provides a means for optimization. A calcite visible system is investigated as an example, which essentially shows how each design parameter affects the overall image quality and how to modify the polarimeter design to optimize overall performance. The approach is applicable to any prismatic imaging polarimeter with different prism materials and different working wavelengths.
机译：放置在像平面附近的双折射细棱镜将正弦条纹引入到2D偏振场景上，从而使快照成像偏振仪成为可能，该成像仪将偏振信息编码为条纹的调制。这种方法是由Oka和Kaneko提出的。 Express 11，1510（2003）]，他通过Mueller演算分析了仪器。我们表明，穆勒理论中采用的平面波假设会在旋光仪设计中引入不必要的误差。为了直接考虑棱镜的影响，例如分束和偏移，我们引入了几何成像模型，该模型可以对双折射棱镜进行通用模拟，并提供了一种优化方法。以方解石可见光系统为例，该系统实质上显示了每个设计参数如何影响整体图像质量，以及如何修改偏振计设计以优化整体性能。该方法适用于具有不同棱镜材料和不同工作波长的任何棱镜成像旋光仪。

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