Measuring the suppression of ultrashort pulses into Airy-Bessel light bullets with almost single-cycle temporal resolution

Abstract

We have achieved ∼3 fs and ∼3 μm resolutions for full spatio-temporal characterization of impulse responses of optical systems using a white-light spectral interferometry set-up and demonstrate how a circular diffraction grating temporally focuses an Airy-Bessel wave-packet.