Multi-twist optical Mobius strips

2009/10/09 by Isaac Freund, Freund, Isaac
Biochemistry, Genetics and Molecular Biology · Mathematics · Physics and Astronomy · #FOS: Physical sciences #Mathematics and Applications #Optics (physics.optics) #Orbital Angular Momentum in Optics #Plant Reproductive Biology

paper · pdf · doi:10.48550/arxiv.0910.1663

openalex publication_date 2009/10/09 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

Circularly polarized Gauss-Laguerre GL(0,0) and GL(0,1) laser beams that cross at their waists at a small angle are shown to generate a quasi-paraxial field that contains an axial line of circular polarization, a C line, surrounded by polarization ellipses whose major and minor axes generate multi-twist Mobius strips with twist numbers that increase with distance from the C point. These Mobius strips are interpreted in terms of Berry's phase for parallel transport of the ellipse axes around the C point.

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