Evolution of the vortex and the asymmetrical parts of orbital angular momentum in separable first-order optical systems

T. Alieva, M.J. Bastiaans

Research output: Contribution to journalArticleAcademicpeer-review

14 Citations (Scopus)

Abstract

We analyze the evolution of the vortex and asymmetrical parts of the orbital angular momentum during its propagation through separable first-order optical systems. We obtain that the evolution of the vortex part depends only upon the parameters a_x, a_y, b_x, and b_y of the ray transformation matrix, and that isotropic systems with the same ratio b/a produce the same change of the vortex part of the orbital angular momentum. Finally, it is shown that when light propagates through an optical fiber with a quadratic refractive index profile, the vortex part of the orbital angular momentum cannot change its sign more than four times per period.
Original languageEnglish
Pages (from-to)1587-1589
Number of pages3
JournalOptics Letters
Volume29
Issue number14
DOIs
Publication statusPublished - 2004

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