Spatiotemporal structure of femtosecond Bessel beams from spatial light modulators.
Fiche publication
Date publication
avril 2014
Auteurs
Membres identifiés du Cancéropôle Est :
Dr FROEHLY Luc
Tous les auteurs :
Froehly L, Jacquot M, Lacourt PA, Dudley JM, Courvoisier F
Lien Pubmed
Résumé
We numerically investigate the spatiotemporal structure of Bessel beams generated with spatial light modulators (SLMs). Grating-like phase masks enable the spatial filtering of undesired diffraction orders produced by SLMs. Pulse front tilt and temporal broadening effects are investigated. In addition, we explore the influence of phase wrapping and show that the spatiotemporal structure of SLM-generated femtosecond Bessel beams is similar to Bessel X-pulses at short propagation distance and to subluminal pulsed Bessel beams at long propagation distance.
Référence
J Opt Soc Am A Opt Image Sci Vis. 2014 Apr 1;31(4):790-3