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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 10 — Apr. 1, 2012
  • pp: C13–C16

Internal energy flows and instantaneous field of a monochromatic paraxial light beam

Aleksandr Ya. Bekshaev  »View Author Affiliations


Applied Optics, Vol. 51, Issue 10, pp. C13-C16 (2012)
http://dx.doi.org/10.1364/AO.51.000C13


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Abstract

It is known that the orbital angular momentum of a paraxial light beam is related to the rotational features of the instantaneous optical-frequency oscillation pattern within the beam cross section [J. Opt. A 11, 094004 (2009)]. Now this conclusion is generalized: any identifiable directed motion of the instantaneous two-dimensional pattern of the field oscillations (“running” behavior of the instant oscillatory pattern) corresponds to the transverse energy flow in the experimentally observable time-averaged field. The transverse orbital flow density can be treated as a natural geometric and kinematic characteristic of this running behavior.

© 2012 Optical Society of America

OCIS Codes
(260.0260) Physical optics : Physical optics
(260.2160) Physical optics : Energy transfer
(140.3295) Lasers and laser optics : Laser beam characterization
(080.4865) Geometric optics : Optical vortices
(260.6042) Physical optics : Singular optics

History
Original Manuscript: November 22, 2011
Manuscript Accepted: December 16, 2011
Published: March 14, 2012

Citation
Aleksandr Ya. Bekshaev, "Internal energy flows and instantaneous field of a monochromatic paraxial light beam," Appl. Opt. 51, C13-C16 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-10-C13

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