Publication: Far field of gratings with rough strips
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2008-04
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Optical Society of America
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Abstract
In this work, we analyze the far-field pattern produced by a grating made of strips with two different random roughness levels. The efficiency and shape of the diffraction orders is obtained, which are shown to depend on the statistical properties of roughness. We assume for the calculations that the grating can be used in a mobile mechanical system. A preliminary experimental approach which partially corroborates the theoretical results is also performed.
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© 2008 Optical Society of America.
The authors thank A. Luis, F. Pérez-Quintian, and J.M. Rico-García for their fruitful ideas and discussions. This work has been supported by the DPI2005-02860 project of the Ministerio de Educación y Ciencia of Spain and a CENIT project “Tecnologías avanzadas para los equipos y procesos de fabricación de 2015: e-eficiente, e-cológica, e-máquina (eEe)” of the Ministerio de Industria, Turismo y Comercio. During the realization of this work Sánchez-Brea was contracted under the “Ramón y Cajal” research program of the Ministerio de Educación y Ciencia of Spain.
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