Compression of X-ray Free Electron Laser Pulses to Attosecond Duration.

Abstract:

:State of the art X-ray Free Electron Laser facilities currently provide the brightest X-ray pulses available, typically with mJ energy and several hundred femtosecond duration. Here we present one- and two-dimensional Particle-in-Cell simulations, utilising the process of stimulated Raman amplification, showing that these pulses are compressed to a temporally coherent, sub-femtosecond pulse at 8% efficiency. Pulses of this type may pave the way for routine time resolution of electrons in nm size potentials. Furthermore, evidence is presented that significant Landau damping and wave-breaking may be beneficial in distorting the rear of the interaction and further reducing the final pulse duration.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Sadler JD,Nathvani R,Oleśkiewicz P,Ceurvorst LA,Ratan N,Kasim MF,Trines RM,Bingham R,Norreys PA

doi

10.1038/srep16755

subject

Has Abstract

pub_date

2015-11-16 00:00:00

pages

16755

issn

2045-2322

pii

srep16755

journal_volume

5

pub_type

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