Time evolution of the diffraction pattern of an ultrashort laser pulse | Zendy

M. Lefrançois | Zendy; Silvania F. Pereira | Zendy

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Time evolution of the diffraction pattern of an ultrashort laser pulse

Author(s) -

M. Lefrançois,

Silvania F. Pereira

Publication year - 2003

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.11.001114

Subject(s) - optics , diffraction , fresnel diffraction , fresnel number , ultrashort pulse , pulse (music) , femtosecond pulse shaping , aperture (computer memory) , multiphoton intrapulse interference phase scan , laser , ptychography , pulse shaping , materials science , physics , detector , acoustics

An analytical expression for the time evolution of the diffraction pattern of an ultrashort laser pulse passing through a circular aperture is obtained in the Fresnel regime. The diffraction is not constant in time as the pulse travels through the aperture. This may have implications in experiments involving fast dynamics. Examples of the evolution of the diffraction pattern are given.

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