Wave representation for asymmetric elliptic vortex beams generated from the astigmatic mode converter

Y. F. Chen*, Y. H. Lai, M. X. Hsieh, Y. H. Hsieh, C. W. Tu, H. C. Liang, Kai-Feng Huang

*Corresponding author for this work

Research output: Contribution to journalArticle

5 Scopus citations

Abstract

An analytical wave representation is derived to express the asymmetric elliptic vortex beams generated by using an astigmatic mode converter to transform the asymmetric Hermite–Gaussian modes. The effect of the spatial asymmetry on the elliptic vortex beam can be straightforwardly considered in the analytical wave representation. A detailed comparison with experimental intensity patterns and phase structures is made. The good agreement between experimental results and theoretical analyses confirms the characterization and generation of the asymmetric elliptic vortex beams.

Original languageEnglish
Pages (from-to)2028-2031
Number of pages4
JournalOptics Letters
Volume44
Issue number8
DOIs
StatePublished - 15 Apr 2019

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