Diabolo creation and annihilation
Optics Letters, Vol. 31, Issue 16, pp. 2381-2383 (2006)
http://dx.doi.org/10.1364/OL.31.002381
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Abstract
A point of circular polarization embedded in a paraxial field of elliptical polarization is a polarization singularity called a C point. At such a point the major axis a and minor axis b of the ellipse become degenerate. Away from the C point this degeneracy is lifted such that surfaces a and b form nonanalytic cones that are joined at their apex (the C point) to produce a double cone called a diabolo. Typically, during propagation diabolo pairs are created or annihilated. We present rules based on geometry and topology that govern these events, provide initial experimental confirmation, and enumerate the allowed configurations in which diabolos can be created or annihilated.
© 2006 Optical Society of America
OCIS Codes
(030.0030) Coherence and statistical optics : Coherence and statistical optics
(030.1670) Coherence and statistical optics : Coherent optical effects
(260.0260) Physical optics : Physical optics
(260.2130) Physical optics : Ellipsometry and polarimetry
(260.5430) Physical optics : Polarization
(350.5030) Other areas of optics : Phase
ToC Category:
Coherence and Statistical Optics
History
Original Manuscript: May 25, 2006
Revised Manuscript: June 6, 2006
Manuscript Accepted: June 6, 2006
Published: July 25, 2006
Citation
Isaac Freund, Marat S. Soskin, Roman I. Egorov, and Vladimir Denisenko, "Diabolo creation and annihilation," Opt. Lett. 31, 2381-2383 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-16-2381
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