dorsal/arxiv
View SchemaRows of optical vortices from elliptically perturbing a high-order beam
| Authors | M. R. Dennis |
|---|---|
| Categories | |
| ArXiv ID | physics/0602066 |
| URL | https://arxiv.org/abs/physics/0602066 |
| DOI | 10.1364/OL.31.001325 |
Abstract
An optical vortex (phase singularity) with a high topological strength resides on the axis of a high-order light beam. The breakup of this vortex under elliptic perturbation into a straight row of unit strength vortices is described. This behavior is studied in helical Ince-Gauss beams and astigmatic, generalized Hermite-Laguerre-Gauss beams, which are perturbations of Laguerre-Gauss beams. Approximations of these beams are derived for small perturbation, in which a neighborhood of the axis can be approximated by a polynomial in the complex plane: a Chebyshev polynomial for Ince-Gauss beams, and a Hermite polynomial for astigmatic beams.
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"abstract": "An optical vortex (phase singularity) with a high topological strength\nresides on the axis of a high-order light beam. The breakup of this vortex\nunder elliptic perturbation into a straight row of unit strength vortices is\ndescribed. This behavior is studied in helical Ince-Gauss beams and astigmatic,\ngeneralized Hermite-Laguerre-Gauss beams, which are perturbations of\nLaguerre-Gauss beams. Approximations of these beams are derived for small\nperturbation, in which a neighborhood of the axis can be approximated by a\npolynomial in the complex plane: a Chebyshev polynomial for Ince-Gauss beams,\nand a Hermite polynomial for astigmatic beams.",
"arxiv_id": "physics/0602066",
"authors": [
"M. R. Dennis"
],
"categories": [
"physics.optics"
],
"doi": "10.1364/OL.31.001325",
"title": "Rows of optical vortices from elliptically perturbing a high-order beam",
"url": "https://arxiv.org/abs/physics/0602066"
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