Collinear superposition of multiple helical beams generated by a single azimuthally modulated phase-only element

Author(s): J. Lin, X.-C. Yuan, S. H. Tao, and R. E. Burge


“We propose a highly efficient approach to generating multihelix beams that contain more than one helical mode, and the power distribution over helical modes is adjustable. A multihelix beam embedded with three collinear helical modes is demonstrated by use of a spatial light modulator.”

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Publication: Optics Letters
Issue/Year: Optics Letters, Vol. 30, Issue 24, pp. 3266-3268, 2006
DOI: 10.1364/OL.30.003266