C Vena et al 2009 J. Opt. A: Pure Appl. Opt. 11 125704 doi:10.1088/1464-4258/11/12/125704
Light depolarization by non-uniform polarization distribution over a beam cross section
C Vena, C Versace, G Strangi and R Bartolino
Show affiliationsWe study the depolarization effects caused by a non-uniform distribution of the polarization over the cross section of a light beam. Stokes' parameters of a natural light beam are averaged over its cross section. By introducing the correlation function between two points of the cross section we found that the degree of polarization of the light beam depends on both the correlation function and the number of uncorrelated polarization states. Our description is valid also for a cross section resulting from the incoherent overlap of light beams having different intensities and polarizations.
- PACS
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42.60.Jf Beam characteristics: profile, intensity, and power; spatial pattern formation
- Subjects
- Dates
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Issue 12 (December 2009)
Received 23 June 2009, accepted for publication 3 September 2009
Published 22 September 2009
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Light depolarization by non-uniform polarization distribution over a beam cross section
C Vena et al 2009 J. Opt. A: Pure Appl. Opt. 11 125704
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