Light beams with fractional orbital angular momentum and their vortex structure.

Light beams with fractional orbital angular momentum and their vortex structure. Research Abstract Details 

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Light beams with fractional orbital angular momentum and their vortex structure. Abstract Text:

Light emerging from a spiral phase plate with a non-integer phase step has a complicated vortex structure and is unstable on propagation. We generate light carrying fractional orbital angular momentum (OAM) not with a phase step but by a synthesis of Laguerre-Gaussian modes. By limiting the number of different Gouy phases in the superposition we produce a light beam which is well characterised in terms of its propagation. We believe that their structural stability makes these beams ideal for quantum information processes utilising fractional OAM states.

Light beams with fractional orbital angular momentum and their vortex structure. Publishing Authors By Initials

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Light beams with fractional orbital angular momentum and their vortex structure. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Optics express

VOLUME: 16

Page Numbers: 993-1006

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ISSN: 1094-4087

DAY: 21

MONTH: Jan

YEAR: 2008

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LANGUAGE: eng

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Grant and Affiliation Information for Light beams with fractional orbital angular momentum and their vortex structure.

AFFILIATION: Department of Physics and Astronomy, SUPA, University of Glasgow, Glasgow G12 8QQ, UK.

Country: United States

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MEDLINETA: Opt Express

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