Angular momentum decomposition of nonparaxial light beams
Optics Express, Vol. 18, Issue 8, pp. 7965-7971 (2010)
http://dx.doi.org/10.1364/OE.18.007965
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Abstract
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
History
Original Manuscript: February 2, 2010
Manuscript Accepted: March 8, 2010
Published: March 31, 2010
Citation
R. Martínez-Herrero and P. M. Mejías, "Angular momentum decomposition of nonparaxial light beams," Opt. Express 18, 7965-7971 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-8-7965
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References
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