The beam quality parameter of spirally polarized beams
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2008
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IOP Publishing Ltd.
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Abstract
Starting from the expression for the quality parameter of a superposition of two general fields, the case of beams that can be written in terms of the polarization basis introduced by Gori is investigated. Different types of this class of beam are studied and compared. In particular, spirally polarized beams are considered. As an example, polarized Bessel-Gauss beams are analyzed in detail.
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© 2008 IOP Publishing Ltd.
We thank Dr J C G de Sande and Dr J Serna for their valuable suggestions. This work has been supported by the Ministerio
de Educación y Ciencia of Spain, project FIS2007-63396, and project CCG07-UCM/ESP-3070.