Comparison between theoretical and experimental scattering of an s-polarized electromagnetic wave by a two-dimensional obstacle on a surface

Jean-Jacques Greffet 1 François-René Ladan 2
1 EM2C - Laboratoire d'Énergétique Moléculaire et Macroscopique, Combustion
2 L2M - Laboratoire de Microstructures et de Microélectronique
Abstract : The scattering of s-polarized electromagnetic waves by a two-dimensional scatterer upon a surface is considered. An integral approach previously reported is generalized in order to account for multilayer systems. In order to compare the theory with scattered-light measurements, we have fabricated two ribs upon a germanium substrate by means of a dry-etching technique. The height and width of the ribs are approximately 5 ,um. The ribs are separated by 15 Am, whereas the incident wavelength is 10.6 .tm. A good agreement is found between theory and experiment.
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Article dans une revue
Journal of the Optical Society of America. A Optics, Image Science, and Vision, Optical Society of America, 1991, 8 (8), pp.1261 - 1261. 〈10.1364/JOSAA.8.001261〉
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Soumis le : lundi 16 octobre 2017 - 14:34:16
Dernière modification le : jeudi 7 février 2019 - 17:23:45

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Jean-Jacques Greffet, François-René Ladan. Comparison between theoretical and experimental scattering of an s-polarized electromagnetic wave by a two-dimensional obstacle on a surface. Journal of the Optical Society of America. A Optics, Image Science, and Vision, Optical Society of America, 1991, 8 (8), pp.1261 - 1261. 〈10.1364/JOSAA.8.001261〉. 〈hal-01617297〉

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