Optics InfoBase > Advances in Optics and Photonics > Volume 3 > Issue 2 > Orbital angular momentum: origins, behavior and applications
Orbital angular momentum: origins, behavior and applicationsAlison M. Yao and Miles J. Padgett »View Author Affiliations
Alison M. Yao^{1}
and Miles J. Padgett^{2}
^{1}SUPA and Department of Physics, University of Strathclyde, Glasgow G4 0NG, Scotland, UK ^{2}Department of Physics and Astronomy, SUPA, Kelvin Building, University of Glasgow, Glasgow G12 8QQ, Scotland, UK |
Advances in Optics and Photonics, Vol. 3, Issue 2, pp. 161-204 (2011)
http://dx.doi.org/10.1364/AOP.3.000161
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Abstract
As they travel through space, some light beams rotate. Such light beams have angular momentum. There are two particularly important ways in which a light beam can rotate: if every polarization vector rotates, the light has spin; if the phase structure rotates, the light has orbital angular momentum (OAM), which can be many times greater than the spin. Only in the past 20 years has it been realized that beams carrying OAM, which have an optical vortex along the axis, can be easily made in the laboratory. These light beams are able to spin microscopic objects, give rise to rotational frequency shifts, create new forms of imaging systems, and behave within nonlinear material to give new insights into quantum optics.
© 2011 OSA
OCIS Codes
(050.4865) Diffraction and gratings : Optical vortices
(260.6042) Physical optics : Singular optics
ToC Category:
Physical Optics
History
Original Manuscript: October 8, 2010
Revised Manuscript: January 5, 2011
Manuscript Accepted: January 5, 2011
Published: May 15, 2011
Virtual Issues
(2011) Advances in Optics and Photonics
Citation
Alison M. Yao and Miles J. Padgett, "Orbital angular momentum: origins, behavior and applications," Adv. Opt. Photon. 3, 161-204 (2011)
http://www.opticsinfobase.org/aop/abstract.cfm?URI=aop-3-2-161
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