Diabolo creation and annihilation

Isaac Freund; Marat S. Soskin; Roman I. Egorov; Vladimir Denisenko

doi:10.1364/ol.31.002381

Diabolo creation and annihilation

Isaac Freund, Marat S. Soskin, Roman I. Egorov, Vladimir Denisenko

Department of Physics - at Bar-Ilan University

National Academy of Sciences of Ukraine

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

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 o 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.

Original language	English
Pages (from-to)	2381-2383
Number of pages	3
Journal	Optics Letters
Volume	31
Issue number	16
DOIs	https://doi.org/10.1364/ol.31.002381
State	Published - 15 Aug 2006

Bibliographical note

Funding Information:
We acknowledge the financial support from the Austrian Foundation for Advancement of Scientific Research (FWF projects P-15155, P-15627, P-15629 and P-15630-N08) and partial support from the EC RTN ‘Nanochannels’ (contract no. HPRN-CT-2002-00323). Part of this work was performed within the Christian Doppler Society's dedicated laboratory on Plastic Solar Cells funded by the Austrian Ministry of Economic Affairs and Konarka Austria Ges.m.b.H.

Funding

We acknowledge the financial support from the Austrian Foundation for Advancement of Scientific Research (FWF projects P-15155, P-15627, P-15629 and P-15630-N08) and partial support from the EC RTN ‘Nanochannels’ (contract no. HPRN-CT-2002-00323). Part of this work was performed within the Christian Doppler Society's dedicated laboratory on Plastic Solar Cells funded by the Austrian Ministry of Economic Affairs and Konarka Austria Ges.m.b.H.

Funders	Funder number
Austrian Foundation for Advancement of Scientific Research
Austrian Ministry of Economic Affairs and Konarka Austria Ges.m.b.H
EC RTN	HPRN-CT-2002-00323
Austrian Science Fund	P-15627, P-15630-N08, P-15629, P-15155
Christian Doppler Forschungsgesellschaft

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10.1364/ol.31.002381

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title = "Diabolo creation and annihilation",

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 o 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.",

author = "Isaac Freund and Soskin, {Marat S.} and Egorov, {Roman I.} and Vladimir Denisenko",

note = "Funding Information: We acknowledge the financial support from the Austrian Foundation for Advancement of Scientific Research (FWF projects P-15155, P-15627, P-15629 and P-15630-N08) and partial support from the EC RTN {\textquoteleft}Nanochannels{\textquoteright} (contract no. HPRN-CT-2002-00323). Part of this work was performed within the Christian Doppler Society's dedicated laboratory on Plastic Solar Cells funded by the Austrian Ministry of Economic Affairs and Konarka Austria Ges.m.b.H.",

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doi = "10.1364/ol.31.002381",

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AU - Freund, Isaac

AU - Soskin, Marat S.

AU - Egorov, Roman I.

AU - Denisenko, Vladimir

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N2 - 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 o 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.

AB - 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 o 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.

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Diabolo creation and annihilation

Abstract

Bibliographical note

Funding

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