Diffraction of Laguerre-Gaussian Beam by a Helical Axicon

• Authors: S. Topuzoski , Lj. Janicijevic
• Languages of publication: EN

Abstracts

EN

In this article the transformation of the Laguerre-Gaussian beam with radial mode number n and azimuthal mode number l, into a vortex, diverging or nondiverging Bessel beam with increased, decreased or zeroth phase singularity order has been investigated theoretically. We deduce and study analytical expressions for the amplitude and intensity distribution of the diffracted wave field in the process of Fresnel diffraction, using the stationary phase method, and also, for the vortex radius and the propagation distance of the output field.

Keywords

EN

42.25.Fx; 42.60.Jf

Discipline

• 42.60.Jf: Beam characteristics: profile, intensity, and power; spatial pattern formation
• 42.25.Fx: Diffraction and scattering

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2009
• Volume: 116
• Issue: 4
• Pages: 557-559

Dates

published

2009-10

Contributors

author

S. Topuzoski

• Institute of Physics, University Sts "Cyril And Methodius", Skopje, R. Macedonia

author

Lj. Janicijevic

• Institute of Physics, University Sts "Cyril And Methodius", Skopje, R. Macedonia

References

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• 6. R.L. Phillips, L.C. Andrews, Appl. Opt. 22, 643 (1983)
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Identifiers

DOI

10.12693/APhysPolA.116.557