Stability of higher order optical vortices produced by spatial light modulators

Stability of higher order optical vortices produced by spatial light modulators

The stability of higher charge optical vortices generated with a spatial light modulator is investigated. It is observed that higher charge vortices split into an array of unit charge vortices with the tilting of a spatial light modulator. An interferometric method is used to show the exact location...

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Bibliographic Details
Published in:Journal of modern optics Vol. 60; no. 20; pp. 1696 - 1700
Main Authors: Kumar, Ashok, Vaity, Pravin, Bhatt, Jitendra, Singh, R.P.
Format: Journal Article
Language:English
Published: Abingdon Taylor & Francis 01-11-2013
Taylor & Francis Ltd
Subjects:
Arrays
Charge
Fluid flow
Laser beams
Light
optical vortices
singular optics
spatial light modulator
Spatial light modulators
Stability
Symmetry
Visualization
Vortices
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Summary:The stability of higher charge optical vortices generated with a spatial light modulator is investigated. It is observed that higher charge vortices split into an array of unit charge vortices with the tilting of a spatial light modulator. An interferometric method is used to show the exact location of split unit charge vortices. The rotation dynamics of generated unit charge vortices is visualized from the recorded images. A symmetric high charge vortex can be produced with a normal incidence of input laser beam to the spatial light modulator.
Bibliography:ObjectType-Article-1
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ISSN:0950-0340
1362-3044
DOI:10.1080/09500340.2013.852696