X-ray free-electron lasers

BWJ McNeil, NR Thompson - Nature photonics, 2010 - nature.com
With intensities 108–1010 times greater than other laboratory sources, X-ray free-electron
lasers are currently opening up new frontiers across many areas of science. In this Review …

Generation of submicrojoule high harmonics using a long gas jet in a two-color laser field

IJ Kim, GH Lee, SB Park, YS Lee, TK Kim… - Applied Physics …, 2008 - pubs.aip.org
We have achieved very efficient high-harmonic generation in a two-color laser field using a
long gas jet of He. With the optimization of laser parameters and target conditions, strong …

Transform-Limited X-Ray Pulse Generation from a High-Brightness<? format?> Self-Amplified Spontaneous-Emission Free-Electron Laser

BWJ McNeil, NR Thompson, DJ Dunning - Physical review letters, 2013 - APS
A method to achieve high-brightness self-amplified spontaneous emission (HB-SASE) in the
free-electron laser (FEL) is described. The method uses repeated nonequal electron beam …

Puffin: A three dimensional, unaveraged free electron laser simulation code

LT Campbell, BWJ McNeil - Physics of Plasmas, 2012 - pubs.aip.org
An unaveraged 3D model of the free electron laser (FEL) is presented which is capable of
modelling electron interactions with broad bandwidth radiation that includes electron beam …

Strong-field phenomena driven by mid-infrared ultrafast sources: JMO Series: attosecond and strong field science

C Vozzi, M Negro, S Stagira - Journal of Modern Optics, 2012 - Taylor & Francis
The development of ultrafast and intense laser sources has paved the way to the study of
laser–matter interaction in the strong-field regime, where the amplitude of the laser field …

Spectrally tunable ultrashort monochromatized extreme ultraviolet pulses at 100 kHz

T Csizmadia, Z Filus, T Grósz, P Ye, L Gulyás Oldal… - APL Photonics, 2023 - pubs.aip.org
We present the experimental realization of spectrally tunable, ultrashort, quasi-
monochromatic extreme ultraviolet (XUV) pulses generated at 100 kHz repetition rate in a …

An optimized kHz two-colour high harmonic source for seeding free-electron lasers and plasma-based soft x-ray lasers

G Lambert, J Gautier, CP Hauri, P Zeitoun… - New journal of …, 2009 - iopscience.iop.org
Free-electron lasers (FEL) and plasma-based soft x-ray lasers (PSXL) have been recently
evolving very fast from the vacuum ultraviolet to the soft x-ray region. Once seeded with high …

High harmonic emission from a superposition of multiple unrelated frequency fields

T Siegel, R Torres, DJ Hoffmann, L Brugnera… - Optics …, 2010 - opg.optica.org
We report observations and analysis of high harmonic generation driven by a superposition
of fields at 1290 nm and 780 nm. These fields are not commensurate in frequency and the …

Cut-off scaling of high-harmonic generation driven by a femtosecond visible optical parametric amplifier

G Cirmi, CJ Lai, E Granados, SW Huang… - Journal of Physics B …, 2012 - iopscience.iop.org
We studied high-harmonic generation (HHG) in Ar, Ne and He gas jets using a broadly
tunable, high-energy optical parametric amplifier (OPA) in the visible wavelength range. We …

Design study of an HHG-seeded harmonic cascade free-electron laser

DJ Dunning, NR Thompson… - Journal of Modern …, 2011 - Taylor & Francis
The UK New Light Source (NLS) project identified a strong scientific case for a next-
generation light source to deliver continuous coverage of the photon energy range 50–1000 …