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Optics Letters

Optics Letters


  • Vol. 29, Iss. 16 — Aug. 13, 2004
  • pp: 1942–1944

Vortices in femtosecond laser fields

K. Bezuhanov, A. Dreischuh, G. G. Paulus, M. G. Schätzel, and H. Walther  »View Author Affiliations

Optics Letters, Vol. 29, Issue 16, pp. 1942-1944 (2004)

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We experimentally generate optical vortices in the output beam of a 20-fs Ti:sapphire laser. Screw phase dislocations are imposed on the spectral components of the short pulses by aligning a computer-generated hologram in a dispersionless 4f setup.

© 2004 Optical Society of America

OCIS Codes
(140.3300) Lasers and laser optics : Laser beam shaping
(140.7090) Lasers and laser optics : Ultrafast lasers

K. Bezuhanov, A. Dreischuh, G. G. Paulus, M. G. Schätzel, and H. Walther, "Vortices in femtosecond laser fields," Opt. Lett. 29, 1942-1944 (2004)

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