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Show simple item record Ismail, Y Khilo, N Belyi, V Forbes, A 2012-11-27T09:29:54Z 2012-11-27T09:29:54Z 2012-09
dc.identifier.citation Ismail, Y, Khilo, N, Belyi, V and Forbes, A. 2012. Shape invariant higher-order Bessel-like beams carrying orbital angular momentum. Journal of Optics, Vol. 14, 12pp, doi:10.1088/2040-8978/14/8/085703 en_US
dc.identifier.issn 2040-8978
dc.description Copyright: 2012 European Optical Society. This is an ABSTRACT ONLY. The definitive version is published in Journal of Optics, Vol. 14, doi:10.1088/2040-8978/14/8/085703 en_US
dc.description.abstract We present a method for generating higher-order Bessel beams with z-dependent cone angles. Such fields, if engineered correctly, are shape invariant during propagation and thus do not suffer from a transition from a Bessel-shaped intensity profile in the near field to an annular ring in the far field. We demonstrate the production of such fields in the laboratory with an optical system comprising a combination of two axicons and a lens, allowing for control of the cone angle of the resulting field. While the resulting shape invariant fields are not perfectly non-diffracting, they do maintain many of the same properties as Bessel beams, including self-reconstruction. en_US
dc.language.iso en en_US
dc.publisher European Optical Society en_US
dc.relation.ispartofseries Workflow;9712
dc.subject Non-diffracting en_US
dc.subject Bessel beams en_US
dc.subject Spatial light modulator en_US
dc.subject Laguerre–Gaussian beams en_US
dc.subject Bessel-like beams en_US
dc.subject Orbital angular momentum en_US
dc.title Shape invariant higher-order Bessel-like beams carrying orbital angular momentum en_US
dc.type Article en_US

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