Abstract
A simple interferometric scheme is presented to characterize the 2-D distribution of linear birefringence with full-range capability. Since the interference images are obtained with respect to different orientations of a linearly polarized incident laser beam, the measurement speed can be improved once the orientation adjustment is achieved electronically. In addition, the measurement is independent of a nonuniform distribution of laser intensity, which is demonstrated experimentally and briefly explained theoretically. Furthermore, the measurement of residual linear birefringence distribution is also demonstrated successfully and verified by error analysis.
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