Diffraction by cylinders illuminated in oblique, off-axis incidence
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2001
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Urban & Fischer Verlag
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Abstract
In this paper we present a model to determine the light scattered by a metallic cylinder when it is illuminated with a light beam in oblique incidence. This model is based on an approximate solution to the Helmholtz-Kirchhoff integral by means of the Stationary Phase Method. The polarization of the beam, its width, and the misalignment between the beam and the cylinder are considered, as well as the reflection coefficient of the surface.
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© Urban & Fischer Verlag.
The authors are grateful to Agustin González Cano for his suggestions and to the European Union for the financial support of this work within the frame of the Research Program SMT4 “Standards Measurement and Testing”, project SMT4 –CT97 – 2184 “DEFCYL: Detection of defects in cylindrical surfaces” and the “Conmisión Interministerial de Ciencia y Tecnología” (CICYT) of Spain TAP-98-1368-CE.