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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 8 — Apr. 12, 2010
  • pp: 7965–7971

Angular momentum decomposition of nonparaxial light beams

R. Martínez-Herrero and P. M. Mejías  »View Author Affiliations

Optics Express, Vol. 18, Issue 8, pp. 7965-7971 (2010)

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The total angular momentum per unit length of a general non-paraxial beam is decomposed into an orbital component associated with the spiral spectrum at the far field and a component concerning the balance between right- and left-handed circular-polarization content of the angular spectrum. Expressions for the linear momentum and energy per unit length are also provided. The well-known division into orbital and spin components is shown to be recovered in the paraxial limit.

© 2010 OSA

OCIS Codes
(260.0260) Physical optics : Physical optics
(260.2110) Physical optics : Electromagnetic optics

ToC Category:
Physical Optics

Original Manuscript: February 2, 2010
Manuscript Accepted: March 8, 2010
Published: March 31, 2010

R. Martínez-Herrero and P. M. Mejías, "Angular momentum decomposition of nonparaxial light beams," Opt. Express 18, 7965-7971 (2010)

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