Phase Singularities in Beams

  • G. F. Brand
Conference paper
Part of the Solid Mechanics and Its Applications book series (SMIA, volume 91)


In this paper we show how diffraction gratings with defects can generate beams with phase singularities, present an analysis of the phenomenon and discuss some applications. These beams and their effects have been studied at optical and at millimetre wavelengths. We describe a particularly efficient way of generating these beams at millimetre wavelengths employing a blazed grating with a defect.


Screw Dislocation Topological Charge Optical Tweezer Fresnel Zone Interference Maximum 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Kluwer Academic Publishers 2001

Authors and Affiliations

  • G. F. Brand
    • 1
  1. 1.School of PhysicsUniversity of SydneyAustralia

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