title: Few-cycle high-contrast vortex pulses.
abstract: Few-cycle high-contrast vortex beams with pulse durations around 8 fs were generated from a Ti:sapphire laser oscillator with a single diffractive-refractive component. Angular and temporal pulse properties were characterized with an advanced time-wavefront sensor. The temporal transfer indicates a fairly complete self-compensation.
authors.affiliation: Max-Born-Institut für Nichtlineare Optik und Kurzzeitspektroskopie, Berlin, Germany.
authors.forename: Martin
authors.initials: M
authors.lastname: Bock
authors.forename: Jürgen
authors.initials: J
authors.lastname: Jahns
authors.forename: Ruediger
authors.initials: R
authors.lastname: Grunwald