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Proceedings Paper

Focal shift in vector Mathieu-Gauss beams
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Paper Abstract

We study the three dimensional distributioin of vector Mathieu-Gauss (vMG) beams near the focus of a non-aperturing thin lens. These beams constitute a family of solutions to the vectorial wave equation in the paraxial approximation. We adopt an energy criterion for defining the width of the beam as well as the focal plane. It is observed in our analysis that the focal plane does not coincide with the geometric focus, but it is slightly shifted towards the lens. The dependence of the focal shift on the different parameters of the vMG beams is discussed for beams with different polarizations.

Paper Details

Date Published: 16 May 2007
PDF: 9 pages
Proc. SPIE 6422, Sixth Symposium Optics in Industry, 64221K (16 May 2007); doi: 10.1117/12.742368
Show Author Affiliations
Raul I. Hernandez-Aranda, Tecnológico de Monterrey (Mexico)
Julio C. Gutiérrez Vega, Tecnológico de Monterrey (Mexico)

Published in SPIE Proceedings Vol. 6422:
Sixth Symposium Optics in Industry

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