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Proceedings Paper

Temporal self-reconstruction of few-cycle nondiffracting wavepackets
Author(s): S. König; M. Bock; S. K. Das; A. Treffer; R. Grunwald
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Paper Abstract

The temporal self-reconstruction of pulsed Bessel-like needle beams was studied. Arrays of nondiffracting sub-7-fs needle beams were shaped from Ti:sapphire oscillator pulses by programming multiple axicons in a phase-only spatial light modulator. Defined distortions in the time domain were induced by local spectral filtering. By differently shading parts of selected sub-beams, the self-reconstruction was analyzed under variable conditions. Pulse duration maps were measured with two-dimensional second order autocorrelation based on the Shack-Hartmann sensor principle of wavefront division. Completely distorted pulses were found to have a pulse duration of > 13 fs whereas partially distorted sub-beams returned to pulse durations close to the initial ones. Specific applications are proposed.

Paper Details

Date Published: 15 March 2013
PDF: 6 pages
Proc. SPIE 8611, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XIII, 86110S (15 March 2013); doi: 10.1117/12.2000639
Show Author Affiliations
S. König, Max-Born-Institut für Nichtlineare Optik und Kurzzeitspektroskopie (Germany)
M. Bock, Max-Born-Institut für Nichtlineare Optik und Kurzzeitspektroskopie (Germany)
S. K. Das, Max-Born-Institut für Nichtlineare Optik und Kurzzeitspektroskopie (Germany)
A. Treffer, Max-Born-Institut für Nichtlineare Optik und Kurzzeitspektroskopie (Germany)
R. Grunwald, Max-Born-Institut für Nichtlineare Optik und Kurzzeitspektroskopie (Germany)


Published in SPIE Proceedings Vol. 8611:
Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XIII
Alexander Heisterkamp; Peter R. Herman; Michel Meunier; Stefan Nolte, Editor(s)

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