Propagation invariant hyperbolic beam, with and without optical vortex, is produced using Fourier-transform holography, which keeps its shape unchanged up to 45cm. Bessel function with arguments having hyperbolic locus are used to generate the mask.
© 2006 Optical Society of America
(090.0090) Holography : Holography
(090.1760) Holography : Computer holography
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3300) Lasers and laser optics : Laser beam shaping
R. Chakraborty, S. S. Raja, and A. Ghosh, "Generation of Hyperbolic Beam," in Frontiers in Optics, OSA Technical Digest (CD) (Optical Society of America, 2006), paper JSuA43.
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