SLS-2 - the upgrade of the Swiss Light Source.

An upgrade of the Swiss Light Source (SLS) is planned for 2021-2024 and includes the exchange of the existing storage ring by a new one providing about 40-50 times lower emittance in user operation mode. This will extend the performance of SLS in particular in the fields of coherent imaging, full-field tomography, soft X-ray angle-resolved photoelectron spectroscopy and resonant inelastic X-ray scattering. A science case and a conceptual design for the machine have been established.

The Materials Science beamline upgrade at the Swiss Light Source.

The Materials Science beamline at the Swiss Light Source has been operational since 2001. In late 2010, the original wiggler source was replaced with a novel insertion device, which allows unprecedented access to high photon energies from an undulator installed in a medium-energy storage ring. In order to best exploit the increased brilliance of this new source, the entire front-end and optics had to be redesigned.

Spatiotemporal stability of a femtosecond hard-x-ray undulator source studied by control of coherent optical phonons.

We report on the temporal and spatial stability of the first tunable femtosecond undulator hard-x-ray source for ultrafast diffraction and absorption experiments. The 2.5-1 Angstrom output radiation is driven by an initial 50 fs laser pulse employing the laser-electron slicing technique.

Characterization of Eimeria species. I. Isolation and study of pathogenicity of a pure strain of Eimeria perforans (Leuckart, 1879; Sluiter and Swellengrebel, 1912).

Eimeria perforans was isolated in pure strain by utilizing specific biological characters and specific-pathogen free rabbits. The purity of this strain was demonstrated by measurements of oocysts, derived from a line, started by infection from a single oocyst. The parasite, when inoculated in large numbers, causes a mild disease response for only about two days.