Abstract
Abstract High-energy and high-intensity lasers are essential for pushing the boundaries of science. Their development has allowed leaps forward in basic research areas, including laser–plasma interaction, high-energy density science, metrology, biology and medical technology. The Helmholtz International Beamline for Extreme Fields user consortium contributes and operates two high-peak-power optical lasers using the high energy density instrument at the European X-ray free electron laser (EuXFEL) facility. These lasers will be used to generate transient extreme states of density and temperature to be probed by the X-ray beam. This paper introduces the ReLaX laser, a short-pulse high-intensity Ti:Sa laser system, and discusses its characteristics as available for user experiments. It will also present the first experimental commissioning results validating its successful integration into the EuXFEL infrastructure and viability as a relativistic-intensity laser driver.
Highlights
IntroductionEnsure scientific and technical excellence of the provided infrastructure, which will serve the whole scientific community
The objective of the Helmholtz International Beamline for Extreme Fields (HiBEF) user consortium[1] is to contribute and operate a variety of experimental setups using the high energy density (HED) instrument[2] of the European X-ray free electron laser (EuXFEL) facility
This beam is separated into three individual beams: one probe beam can be used for optical imaging in pump-probe experiments at the HED interaction chamber 1 (IC1), the second part is routed to the photon arrival monitor (PAM) device (PAMProbe) approximately 10 m upstream of IC1, which enables one to determine the relative arrival time between the Relativistic Laser at XFEL (ReLaX) and X-ray pulses, and a third beam can be cross-correlated with leakage of the main beam for timing purposes (XProbe) at IC1
Summary
Ensure scientific and technical excellence of the provided infrastructure, which will serve the whole scientific community. In combination with the EuXFEL beam, it will enable novel investigations in a wide array of areas: properties of highly excited solids, HED states of matter[10,11], probing quantum electrodynamics effects[12,13,14], ionization dynamics at high intensities[15], relativistic laser plasma interaction[16], energetic particle propagation in matter[17,18,19], the production of secondary high-energy photon and particle radiation sources[20,21,22] for material and biological[23] and medical sciences[24] are some of the main topics.
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