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Constant radial shearing interferometry with two spiral phase gratings |
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| Authors: | Qing-Shin Ru Nagaaki Ohyama Toshio Honda |
| Institution: | Imaging Science and Engineering Laboratory, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 227, Japan |
| Abstract: | Two spiral phase gratings consisting of triangular grooves are used for arranging a simple constant radial shearing interferometer with small light loss. The fringe formation is described and a method for analyzing the interferograms is presented. |
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