Stokes polarization meter error calibration and compensation method based on wave plate rotating method
2015
The invention provides a Stokes polarization meter error calibration and compensation method based on a wave plate rotating method. The Stokes polarization meter error calibration and compensation method includes the specific steps that horizontal line polarization light generated by a PSG is used as standard reference light; the standard reference light is measured through a to-be-calibrated Stokes polarization meter N times to obtain N light intensity values; Fourier analysis is carried out on the obtained N light intensity values to obtain corresponding Fourier coefficients; the fast axis azimuth angle error and the phase delay amount error of a quarter-wave plate are calculated through the relation between device parameter errors and the Fourier coefficients according to the Fourier coefficients; error compensation is carried out on the Stokes polarization meter through the relation between Stokes parameters and the parameter errors according to the two parameter errors of the quarter-wave plate. The Stokes polarization meter error calibration and compensation method is easy to operate, high in feasibility and high in calibration accuracy.
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