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Proceedings Paper

Phase dislocations in femtosecond laser fields
Author(s): Kalojan Bezuhanov; Aleksander Dreischuh; G. G. Paulus; Herbert Walther
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Paper Abstract

We experimentally generate optical vortices in the output beam of a Ti:sapphire laser emitting 20-fs pulses. Screw phase dislocations are imposed in each spectral component of the short pulses by aligning computer generated hologram within a 4f-setup. The analysis shows that phase dislocations can be generated also at the stage of femtosecond pluse compression.

Paper Details

Date Published: 22 April 2005
PDF: 5 pages
Proc. SPIE 5830, 13th International School on Quantum Electronics: Laser Physics and Applications, (22 April 2005); doi: 10.1117/12.618466
Show Author Affiliations
Kalojan Bezuhanov, Sofia Univ. (Bulgaria)
Aleksander Dreischuh, Sofia Univ. (Bulgaria)
G. G. Paulus, Max-Planck-Institut fuer Quantenoptik (Germany)
Texas A&M Univ. (United States)
Herbert Walther, Max-Planck-Institut fuer Quantenoptik (Germany)
Ludwig-Maximillians-Univ. (Germany)

Published in SPIE Proceedings Vol. 5830:
13th International School on Quantum Electronics: Laser Physics and Applications
Peter A. Atanasov; Sanka V. Gateva; Lachezar A. Avramov; Alexander A. Serafetinides, Editor(s)

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