Propagation of ultrashort pulses behind diffracting screens

Peeter Piksarv; Pamela Bowlan; Madis Lõhmus; Heli Valtna-Lukner; Rick Trebino; Peeter Saari

doi:10.1117/12.901670

25 October 2011 Propagation of ultrashort pulses behind diffracting screens

Peeter Piksarv, Pamela Bowlan, Madis Lõhmus, Heli Valtna-Lukner, Rick Trebino, Peeter Saari

Proceedings Volume 8011, 22nd Congress of the International Commission for Optics: Light for the Development of the World; 801130 (2011) https://doi.org/10.1117/12.901670
Event: International Commission for Optics (ICO 22), 2011, Puebla, Mexico

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.

Citation Download Citation

Peeter Piksarv, Pamela Bowlan, Madis Lõhmus, Heli Valtna-Lukner, Rick Trebino, and Peeter Saari "Propagation of ultrashort pulses behind diffracting screens", Proc. SPIE 8011, 22nd Congress of the International Commission for Optics: Light for the Development of the World, 801130 (25 October 2011); https://doi.org/10.1117/12.901670

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