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T-matrix Approach for Calculating the Electromagnetic Fields Diffracted by a Corrugated,Anisotropic Grating |
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| Authors: | Ricardo A Depine Vera L Brudny Akhlesh Lakhtakia |
| Affiliation: | 1. Laboratorio de Optica, Departamento de Física, Facultad de Ciencias Exactas y Naturales , Universidad de Buenos Aires , Ciudad Universitaria, Pabellón I, 1428, Buenos Aires, Argentina;2. Department of Engineering Science and Mechanics , Pennsylvania State University , University Park, Pennsylvania, 16802, USA;3. Applied Optics, Blackett Laboratory , Imperial College , London, SW7 2BZ, UK |
| Abstract: | Abstract The diffraction of electromagnetic plane waves incident on a corrugated grating made of a uniaxial dielectric material is studied using a fully vectorial treatment based on a T-matrix approach and the Rayleigh hypothesis. The optic axis is considered parallel to the mean surface of the periodic interface. The theory is exemplified numerically for the case of sinusoidal gratings made of sodium nitrate. |
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