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16 May 2007 Focal shift in vector Mathieu-Gauss beams
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Proceedings Volume 6422, Sixth Symposium Optics in Industry; 64221K (2007) https://doi.org/10.1117/12.742368
Event: Sixth Symposium Optics in Industry, 2007, Monterrey, Mexico
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.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Raul I. Hernandez-Aranda and Julio C. Gutiérrez Vega "Focal shift in vector Mathieu-Gauss beams", Proc. SPIE 6422, Sixth Symposium Optics in Industry, 64221K (16 May 2007); https://doi.org/10.1117/12.742368
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