Polarization of almost-plane waves
JOSA A, Vol. 17, Issue 2, pp. 335-341 (2000)
http://dx.doi.org/10.1364/JOSAA.17.000335
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Abstract
The general polarization behavior of almost-plane waves, in which the electric field varies slowly over a circular pupil, is considered, on the basis of an axial Hertz potential treatment and expansion in Zernike polynomials. The resultant modes of a circular aperture are compared with the well-known waveguide (or optical fiber) modes and Gaussian beam modes. The wave can be decomposed into partial waves of electric and magnetic types. The modes for a square pupil are also considered. The particular application of the effect on polarization of focusing the waves is discussed. Another application discussed is the Fresnel reflection from a dielectric interface, it being shown that the Fresnel reflection alters the relative strength of the electric and magnetic components.
© 2000 Optical Society of America
OCIS Codes
(260.1960) Physical optics : Diffraction theory
(260.5430) Physical optics : Polarization
Citation
Colin J. R. Sheppard, "Polarization of almost-plane waves," J. Opt. Soc. Am. A 17, 335-341 (2000)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-17-2-335
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