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Optics Letters

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  • Vol. 36, Iss. 19 — Oct. 1, 2011
  • pp: 3906–3908

Generation of spirally polarized propagation-invariant beam using fiber microaxicon

Geo M. Philip and Nirmal K. Viswanathan  »View Author Affiliations


Optics Letters, Vol. 36, Issue 19, pp. 3906-3908 (2011)
http://dx.doi.org/10.1364/OL.36.003906


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Abstract

We present here a fiber microaxicon (MA)based method to generate spirally polarized propagation-invariant optical beam. MA chemically etched in the tip of a two-mode fiber efficiently converts the generic cylindrically polarized vortex fiber mode into a spirally polarized propagation-invariant (Bessel-type) beam via radial dependence of polarization rotation angle. The combined roles of helico-conical phase and nonparaxial propagation in the generation and characteristics of the output beam from the fiber MA are discussed.

© 2011 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(260.5430) Physical optics : Polarization
(350.5500) Other areas of optics : Propagation
(260.6042) Physical optics : Singular optics

ToC Category:
Physical Optics

History
Original Manuscript: July 13, 2011
Revised Manuscript: September 7, 2011
Manuscript Accepted: September 7, 2011
Published: September 29, 2011

Citation
Geo M. Philip and Nirmal K. Viswanathan, "Generation of spirally polarized propagation-invariant beam using fiber microaxicon," Opt. Lett. 36, 3906-3908 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-19-3906

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