Snake beam: A paraxial arbitrary focal line

Joseph Rosen, Amnon Yariv

Research output: Contribution to journalArticlepeer-review

23 Scopus citations


The creation of paraxial arbitrary focal lines by a Fourier computer-generated hologram is demonstrated. The desired focal line is represented by a series of connected straight line segments, each of which is implemented by a radial harmonic function located on a different radial portion of the entire hologram. Each subhologram is multiplied by appropriate linear and quadratic phase functions and is shifted by some distance from the center. The two phase factors determine the location of each line segment, while the in-plane shift determines the tilt angle of the segment.

Original languageEnglish
Pages (from-to)2042-2044
Number of pages3
JournalOptics Letters
Issue number20
StatePublished - 15 Oct 1995
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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