1 May 1994 Two-dimensional birefringence measurement using the phase shifting technique
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Optical Engineering, 33(5), (1994). doi:10.1117/12.168435
Abstract
The phase shifting technique for the measurement of a twodimensional birefringence distribution is described and discussed. The birefringent phase difference and azimuthal angle of a transparent material can be determined in the dependence of both measurements on the amplitude and phase of the polarization interferometry. A half-wave plate and a Babinet-Soleil compensator are used as phase shifters for the phase shifting technique. It can measure 256 x 256 values of the birefringent phase difference and azimuthal angle in a short time with sufficient accuracy. This method does not require moving the sample mechanically. The results and procedures for measuring such a birefringence distribution of optical components such as a calibrated Babinet-Soleil compensator, a lens, and a roof prism are discussed.
Yukitoshi Otani, Takuya Shimada, Toru Yoshizawa, Norihiro Umeda, "Two-dimensional birefringence measurement using the phase shifting technique," Optical Engineering 33(5), (1 May 1994). http://dx.doi.org/10.1117/12.168435
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KEYWORDS
Birefringence

Polarization

Phase shifting

Phase measurement

Error analysis

Linear polarizers

CCD cameras

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