Polarization calibration method for simultaneous imaging polarization camera

Shuangshuang Zhu; Shuling Jin; Yuxiang Shu; Zhenhai Liu; Jin Hong

doi:10.1117/12.2646131

23 January 2023 Polarization calibration method for simultaneous imaging polarization camera

Shuangshuang Zhu, Shuling Jin, Yuxiang Shu, Zhenhai Liu, Jin Hong

Proceedings Volume 12557, AOPC 2022: Optical Sensing, Imaging, and Display Technology; 125570D (2023) https://doi.org/10.1117/12.2646131
Event: Applied Optics and Photonics China 2022 (AOPC2022), 2022, Beijing, China

Abstract

The simultaneous imaging polarization camera (SIPC) is an instrument for simultaneous polarization measurement using a three-beam splitter prism. Due to the large number of polarizing devices in the SIPC, the parameters and responses of the polarizing devices are different, which causes the measurement matrix of the instrument to deviate from the ideal value. In order to ensure the polarization measurement accuracy of the SIPC, effective polarization calibration is required. In this paper, a standard linearly polarized light source is used to calibrate the SIPC. Firstly, the measurement matrix of the instrument is calibrated by using the linear polarization calibration source, and then the calibration parameters are obtained by fitting Fourier coefficients with least squares. Finally, the polarization measurement accuracy of the SIPC is verified by calibration experiments. The results show that the polarization measurement accuracy of the SIPC is better than 4% after polarization calibration.

Citation Download Citation

Shuangshuang Zhu, Shuling Jin, Yuxiang Shu, Zhenhai Liu, and Jin Hong "Polarization calibration method for simultaneous imaging polarization camera", Proc. SPIE 12557, AOPC 2022: Optical Sensing, Imaging, and Display Technology, 125570D (23 January 2023); https://doi.org/10.1117/12.2646131

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