A1 Journal article – refereed
X-ray split and delay device for ultrafast x-ray science at the AMO instrument at LCLS




List of Authors: J D Bozek, J C Castagna, L Fang, Z Hui, E Kukk, B F Murphy, N Berrah6
Publication year: 2015
Journal: Journal of Physics: Conference Series
Journal name in source: XXIX INTERNATIONAL CONFERENCE ON PHOTONIC, ELECTRONIC, AND ATOMIC COLLISIONS (ICPEAC2015), PTS 1-12
Journal acronym: J PHYS CONF SER
Volume number: 635
ISSN: 1742-6588

Abstract


Ultrafast molecular dynamics can be studied using x-rays from both synchrotrons sources and x-ray free electron lasers. Synchrotron studies are limited by the 10-100 ps duration pulses to processes where the Auger lifetime can be used to probe dynamics initiated by excitation of an inner-shell electron to an antibonding orbital. The short pulses produced by x-ray free electron lasers offer the opportunity to study molecular dynamics directly with pump-probe techniques. A two-mirror x-ray split and delay device has been developed for x-ray pump - x-ray probe experiments at the soft x-ray AMO instrument at the LCLS. The device operates over a photon energy range of 250-1800 eV with a variable delay of up to 200 femtoseconds with 0.1 fs resolution.



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