HESEB Soft X ray Beamline ID11 L at SESAME Performance and First User Experiments

The ID11 L HESEB Soft X ray beamline and end station significantly enhance soft X ray research capabilities. Operating in an energy range of 90 1800 eV, extendable to 70 2000 eV, the beamline achieves high performance with an energy resolution of E amp; 916;E gt; 8000 and a photon flux of 1010 to 3.4 1012 photons s. Its 500 250 amp; 956;m lt; beam spot size allows for precise measurements, including studies on magnetic materials using variable circular polarization. This paper presents the end station s design, including the receptacle, magnetic sample holder, and ambient pressure capabilities, along with experimental results that demonstrate the beamline s potential for diverse scientific application