使用紧凑便携式旋转波片偏振计完成斯托克斯矢量分析
Complete Stokes vector analysis with a compact, portable rotating waveplate polarimeter
摘要：
在光学实验中，偏振相关光学元件的精确标定是必不可少的。在这些实验中，测量光的偏振态的多功能偏振计装置是一种有价值的工具。在这里，我们报告了一个旋转波片为基础的偏振能够完成斯托克斯矢量分析的准直光。该设备的校准允许在波长范围内进行精确测量，在该实施方式中带宽>30 nm。光电断路器触发系统提供完全确定斯托克斯矢量所需的相位信息。Arduino微控制器执行快速分析并将结果显示在液晶显示器上。旋光仪结构紧凑，可以放置在光学台的任何位置，只需一个标准柱。构建该装置的组件仅是市售装置的成本的一小部分，而测量的准确度和精度具有相同的数量级。
英文摘要：
Accurate calibration of polarization dependent optical elements is often necessary in optical experiments. A versatile polarimeter device to measure the polarization state of light is a valuable tool in these experiments. Here we report a rotating waveplate-based polarimeter capable of complete Stokes vector analysis of collimated light. Calibration of the device allows accurate measurements over a range of wavelengths, with a bandwidth of >30 nm in this implementation. A photo-interrupter trigger system supplies the phase information necessary for full determination of the Stokes vector. An Arduino microcontroller performs rapid analysis and displays the results on a liquid crystal display. The polarimeter is compact and can be placed anywhere on an optical table on a single standard post. The components to construct the device are only a fraction of the cost of commercially available devices while the accuracy and precision of the measurements are of the same order of magnitude.
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