376 citations · 451 across the 4 of their papers we have counts for
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The monochromator beamline at FLASH: performance, capabilities and upgrade plans
Natalia Gerasimova, Siarhei Dziarzhytski, Josef Feldhaus
The monochromator beamline at the FLASH facility at DESY is the worldwide first XUV monochromator beamline operational on a free electron laser (FEL)source. Being a single-user mac…
Efficient frequency doubler for the soft X-ray SASE FEL at the TESLA Test Facility
J. Feldhaus, M. Koerfer, T. Moeller +4
This paper describes an effective frequency doubler scheme for SASE free electron lasers. It consists of an undulator tuned to the first harmonic, a dispersion section, and a taper…
Two-color FEL amplifier for femtosecond-resolution pump-probe experiments with GW-scale X-ray and optical pulses
J. Feldhaus, M. Koerfer, T. Moeller +5
Pump-probe experiments combining pulses from a X-ray FEL and an optical femtosecond laser are very attractive for sub-picosecond time-resolved studies. Since the synchronization be…
First Observation of Self-Amplified Spontaneous Emission in a Free-Electron Laser at 109 nm Wavelength
J. Andruszkow
We present the first observation of Self-Amplified Spontaneous Emission (SASE) in a free-electron laser (FEL) in the Vacuum Ultraviolet regime at 109 nm wavelength (11 eV). The obs…