Open AccessSpatio-temporal characterization of intense few-cycle 2 μm pulses
Author(s) -
Dane R. Austin,
Tobias Witting,
Sébastien J. Weber,
Peng Ye,
Thomas Siegel,
Paloma Matía-Hernando,
Allan S. Johnson,
J. W. G. Tisch,
Jonathan P. Marangos
Publication year - 2016
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.24.024786
Subject(s) - optics , shearing (physics) , interferometry , tilt (camera) , pulse shaping , pulse (music) , pulse compression , bandwidth limited pulse , materials science , gas compressor , dispersion (optics) , ultrashort pulse , physics , laser , telecommunications , mechanical engineering , radar , detector , computer science , composite material , engineering , thermodynamics
We present a variant of spatially encoded spectral shearing interferometry for measuring two-dimensional spatio-temporal slices of few-cycle pulses centered around 2 μm. We demonstrate experimentally that the device accurately retrieves the pulse-front tilt caused by angular dispersion of two-cycle pulses. We then use the technique to characterize 500-650 μJ pulses from a hollow fiber pulse compressor, with durations as short as 7.1 fs (1.3 optical cycles).