First experimental programs with the free electron laser
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We review the recent progress achieved by our international collaboration on novel imaging techniques based on high-brightness and highly coherent synchrotron sources. After outlining the background, we will discuss the technical progress of recent years. ...
Multi-dimensional spectroscopies with vacuum ultraviolet (VUV)/x-ray free-electron laser (FEL) sources would open up unique capabilities for dynamic studies of matter at the femtosecond-nanometer time-length scales. Using sequences of ultrafast VUV/x-ray p ...
Institute of Physics (IoP) and Deutsche Physikalische Gesellschaft2013
We present a bright and coherent soft x-ray source based on high harmonic generation delivering up to 10(10) photons per second centered at 120 eV within an 80 eV bandwidth. The source profits from fully phase-matched harmonic generation in an unmodulated ...
Institute of Physics (IoP) and Deutsche Physikalische Gesellschaft2013
An endstation for pump-probe small-angle X-ray scattering (SAXS) experiments at the free-electron laser in Hamburg (FLASH) is presented. The endstation houses a solid-state absorber, optical incoupling for pump-probe experiments, time zero measurement, sam ...
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We review the recent progress achieved by our international collaboration on novel imaging techniques based on high-brightness and highly coherent synchrotron sources. After outlining the background, we will discuss the technical progress of recent years. ...
To illustrate the advances made in permeability calculations combining X-ray microtomography and lattice Boltzmann method simulations, a sample suite of different types of pumices was investigated. Large three-dimensional images at high spatial resolution ...
Electron beams in modern linear accelerators are now becoming limited in brightness by the intrinsic emittance of the photocathode electron source. Therefore it becomes important for large scale facilities such as free electron lasers to reduce this fundam ...
By explicitly writing the equations of motion for highly relativistic electrons in an electromagnetic field we show the equivalence between the magnetostatic and optical (laser) undulator-based free electron lasers (FELs). In order to gain insight into the ...
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