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Optics Letters

Optics Letters


  • Editor: Anthony J. Campillo
  • Vol. 30, Iss. 23 — Dec. 1, 2005
  • pp: 3204–3206

Azimuthal prism effect with partially blocked vortex-producing lenses

Jeffrey A. Davis and Joel B. Bentley  »View Author Affiliations

Optics Letters, Vol. 30, Issue 23, pp. 3204-3206 (2005)

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We report a new effect in which the diffraction from a partially blocked angular phase pattern occupying half of the input plane produces a partial vortex output pattern that is rotated by 90 ° compared with the input. The energy is sent into a different quadrant of the output plane from the input plane. The rotation direction depends on whether the angular phase pattern is clockwise or counterclockwise. When we combine clockwise and counterclockwise angular phase patterns on separate horizontal halves of the input plane, we create an interference effect in one half of the output plane, while the other half remains dark.

© 2005 Optical Society of America

OCIS Codes
(050.1970) Diffraction and gratings : Diffractive optics
(070.2590) Fourier optics and signal processing : ABCD transforms
(100.5090) Image processing : Phase-only filters
(230.6120) Optical devices : Spatial light modulators
(260.0260) Physical optics : Physical optics

ToC Category:
Physical Optics

Jeffrey A. Davis and Joel B. Bentley, "Azimuthal prism effect with partially blocked vortex-producing lenses," Opt. Lett. 30, 3204-3206 (2005)

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