Diffraction regimes of phase gratings |
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| Affiliation: | 1. HREM Research Inc., 14-48 Matsukazedai, Higashimatsuyama, Japan;2. National Institute for Materials Science (NIMS), 1-2-1 Sengen, Tsukuba, Japan |
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| Abstract: | The occurrence of Raman-Nath regime and Bragg regime diffraction by planar phase gratings is rigorously analyzed. It is shown that the published indicators for a Raman-Nath regime are unsatisfactory. An attempt to redefine the Raman-Nath region is given in this paper. |
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