Conveners
Beamlines Session 3: Optics, Sample Environment, End Stations
- Renan Geraldes (Brazilian Synchrotron Light Laboratory)
We have designed and fabricated the world’s first, Additive Manufacture (AM) mirror for X-ray beamlines. For traditional optics, beamline performance is limited by: distortion caused by mechanical clamping; heat-bumps induced by photon-beam illumination; and strain caused by differential thermal expansion when dissimilar materials are cooled. AM enables the creation of intricate internal...
Slope errors on X-ray optics create distortions in the reflected or diffracted X-ray wavefront and reduce energy resolution. This study addresses this challenge by demonstrating a precise and adaptable method for tuning the geometry of liquid nitrogen (LN2)-cooled silicon crystals, with the goal of achieving zero slope errors under specified input power conditions. The findings reveal that an...
The SASE3 soft X-Ray beamline at the European XFEL is equipped with a magnetic chicane allowing two-color X-ray pump probe experiments. This chicane splits the undulator area in two, the first part generates photons with a specific wavelength, then the electron beam is delayed with respect to the produced photons and lasers in the second section at another wavelength. The Optical Delay Line...
Experiments with Nano-meter resolution, as planned at PETRA IV, require highly stable experimental conditions. Here, the relative position of sample and optics in the experiment and the highest degree of positional stability are of crucial importance. However, this requires extensive study of interactions between Nano-focusing optics, dynamic scanners, and precise position detection. Aim of...
A spherical variable line spacing (SVLS) grating spectrometer has been designed and commissioned for use at the ChemRIXS endstation at the Linac Coherent Light Source (LCLS), SLAC National Accelerator Laboratory. We present the design evolution, capabilities, and performance of the SVLS, which was developed to facilitate resonant inelastic X-ray scattering (RIXS) experiments across a broad...
