Stokes parameters measurement of light over a wide wavelength range by judicious choice of azimuthal settings of quarter-wave plate and linear polarizer |
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Authors: | Toshiki Kihara |
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Institution: | Kinki University, Department of Industrial Engineering, Faculty of Science and Technology, Kowakae, Higashi-Osaka, Osaka 577, Japan |
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Abstract: | The Stokes parameters (Sp, S1, S2, S3) of light are measured at an arbitrary wavelength over a wide wavelength range. The Stokes parameters S1 and S2 are easily obtained. But the Stokes parameter S3 at the arbitrary wavelength is affected by the phase difference error Δ 1 of the quarter-wave plate mismatch and the Stokes parameters S1 or S2. Therefore, in this paper, S3 is obtained from both the intensity measurements by the circular polarizer rotating the quarter-wave plate by 0° and 90°. Then, S3 is obtained by considering only Δ 1, but is not affected by S1 and S2. Also, though Δ 1 is not accounted for, S3 is measured more accurately. |
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