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Proceedings Paper

Propagation of ultrashort pulses behind diffracting screens
Author(s): Peeter Piksarv; Pamela Bowlan; Madis Lõhmus; Heli Valtna-Lukner; Rick Trebino; Peeter Saari
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Paper Abstract

We study the diffraction of Gaussian pulses and beams within the framework of boundary diffraction wave theory. For the first time the boundary diffraction wave theory is applied to pulsed Gaussian beams, and it is shown that the diffracted field of a pulsed Gaussian beam on a circularly symmetric aperture can be evaluated by a single 1D integration along the diffractive aperture of every point of interest. We compare the theoretical simulations to experimental measurements of ultrashort pulses diffracted off a circular aperture, an opaque disc, an annular aperture, and a system of four concentric annular apertures. Using the recently developed SEA TADPOLE measurement technique, we obtain micron spatial and femtosecond temporal resolutions in the spatio-temporal measurements of the diffracted fields.

Paper Details

Date Published: 25 October 2011
PDF: 10 pages
Proc. SPIE 8011, 22nd Congress of the International Commission for Optics: Light for the Development of the World, 801130 (25 October 2011); doi: 10.1117/12.901670
Show Author Affiliations
Peeter Piksarv, Univ. of Tartu (Estonia)
Pamela Bowlan, Georgia Institute of Technology (United States)
Madis Lõhmus, Univ. of Tartu (Estonia)
Heli Valtna-Lukner, Univ. of Tartu (Estonia)
Rick Trebino, Georgia Institute of Technology (United States)
Peeter Saari, Univ. of Tartu (Estonia)
Estonian Academy of Sciences (Estonia)


Published in SPIE Proceedings Vol. 8011:
22nd Congress of the International Commission for Optics: Light for the Development of the World
Ramón Rodríguez-Vera; Ramón Rodríguez-Vera; Ramón Rodríguez-Vera; Rufino Díaz-Uribe; Rufino Díaz-Uribe; Rufino Díaz-Uribe, Editor(s)

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