Realization of general nondiffracting beams with computer-generated holograms

A new class of solutions to the scalar wave equation was introduced recently that represents transversely localized but totally nondiffracting fields. We show by the method of stationary phase that any of these wave fields can be realized approximately with a laser and a single computer-generated ho...

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Bibliographic Details
Published inJournal of the Optical Society of America. A, Optics and image science Vol. 6; no. 11; p. 1748
Main Authors Vasara, A, Turunen, J, Friberg, A T
Format Journal Article
LanguageEnglish
Published United States 01.11.1989
Subjects
Algorithms
Computer Systems
Holography - methods
Image Processing, Computer-Assisted - methods
Optics and Photonics
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Summary:A new class of solutions to the scalar wave equation was introduced recently that represents transversely localized but totally nondiffracting fields. We show by the method of stationary phase that any of these wave fields can be realized approximately with a laser and a single computer-generated hologram. We briefly discuss various techniques for coding and fabrication of the required hologram and the associated diffraction efficiencies. Using both binary-amplitude and four-level phase holograms, we demonstrate experimentally the formation of arbitrary-order Bessel beams and rotationally nonsymmetric beams.
ISSN:0740-3232
DOI:10.1364/JOSAA.6.001748