Separate and simultaneous investigation of absorption gratings and refractive-index gratings by beam-coupling analysis: comment |
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Authors: | Fally Martin |
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Affiliation: | Nonlinear Physics Group, Faculty of Physics, Universit?t Wien, Austria. martin.fally@univie.ac.at |
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Abstract: | We correct a fundamental error occurring in the paper by F. Kahmann J. Opt. Soc. Am. A10, 1562 (1993)] leading to a different value for the parameter varphi(p,0), i.e., the initial phase shift for the complex grating. |
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