Optical and Quantum Electronics

, Volume 24, Issue 9, pp S951–S962 | Cite as

Laser beams with phase singularities

  • N. R. Heckenberg
  • R. McDuff
  • C. P. Smith
  • H. Rubinsztein-Dunlop
  • M. J. Wegener
Determination of Beam Quality and Mode Structure


Phase singularities in an optical field appear as isolated dark spots and can be generated in active laser cavities or by computer generated holograms. Detection and categorization of these singularities can easily be achieved either by interferometry or Fourier transform pattern recognition using a computer generated hologram.


Fourier Fourier Transform Laser Beam Pattern Recognition Communication Network 
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

© Chapman & Hall 1992

Authors and Affiliations

  • N. R. Heckenberg
    • 1
  • R. McDuff
    • 1
  • C. P. Smith
    • 1
  • H. Rubinsztein-Dunlop
    • 1
  • M. J. Wegener
    • 1
  1. 1.Department of PhysicsThe University of QueenslandBrisbaneAustrialia

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