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Optics Letters

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  • Vol. 36, Iss. 5 — Mar. 1, 2011
  • pp: 606–608

Vector wave analysis of an electromagnetic high-order Bessel vortex beam of fractional type α

F. G. Mitri  »View Author Affiliations


Optics Letters, Vol. 36, Issue 5, pp. 606-608 (2011)
http://dx.doi.org/10.1364/OL.36.000606


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Abstract

The scalar wave theory of nondiffracting electromagnetic (EM) high-order Bessel vortex beams of fractional type α has been recently explored, and their novel features and promising applications have been revealed. However, complete characterization of the properties for this new type of beam requires a vector analysis to determine the fields’ components in space because scalar wave theory is inadequate to describe such beams, especially when the central spot is comparable to the wavelength ( k r / k 1 , where k r is the radial component of the wavenumber k). Stemming from Maxwell’s vector equations and the Lorenz gauge condition, a full vector wave analysis for the electric and magnetic fields is presented. The results are of particular importance in the study of EM wave scattering of a high-order Bessel vortex beam of fractional type α by particles.

© 2011 Optical Society of America

OCIS Codes
(260.1960) Physical optics : Diffraction theory
(260.2110) Physical optics : Electromagnetic optics

ToC Category:
Physical Optics

History
Original Manuscript: September 22, 2010
Revised Manuscript: January 20, 2011
Manuscript Accepted: January 23, 2011
Published: February 17, 2011

Citation
F. G. Mitri, "Vector wave analysis of an electromagnetic high-order Bessel vortex beam of fractional type α," Opt. Lett. 36, 606-608 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-5-606

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