The Review of Laser Engineering
Online ISSN : 1349-6603
Print ISSN : 0387-0200
ISSN-L : 0387-0200
Laser Review
Laguerre-Gaussian Beams and Optical Orbital Angular Momentum
Yoko MIYAMOTO
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Keywords: Laguerre-Gaussian beam, Optical orbital angular momentum, Angular momentum flux, Optical trapping, Phase singularity
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2004 Volume 32 Issue 4 Pages 232-236

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Abstract

Laguerre-Gaussian beams are solutions of the paraxial wave equation and carry orbital angular momentum, which can be transferred to trapped particles. Orbital angular momentum of light beams can be better understood by considering angular momentum flux. Phase singularity and orbital angular momentum are different concepts and should be distinguished.

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© 2004 by The Laser Society of Japan
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