Journal
OPTICS LETTERS
Volume 34, Issue 20, Pages 3160-3162Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.34.003160
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- Alexander von Humboldt Foundation
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We develop a theoretical description for polarizers that goes beyond the paraxial approximation. By combining existing theories for fields with nonplanar wavefronts, we are able to derive a simple power series expansion expressing the electric field of a light beam after a polarizer as a linear function of the field and its spatial derivatives evaluated before the polarizer. The first few terms of such expansion are explicitly given, and their physical meaning is discussed. (C) 2009 Optical Society of America
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