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Monochromator – The use of a double multilayer monochromator increases the flux relative to a standard double crystal monochromator. The multilayer on BioSAXS comprises B4C/Mo layers and an energy bandpass (dE/E) of 1.0%. As a result, BioSAXS is not suited to anomalous SAXS experiments, which rely on finer energy resolution. If you wish to perform anomalous SAXS measurements, please reach out to the SAXS/WAXS beamline team to discuss your requirements.
Detector – BioSAXS has a Pilatus3S Pilatus3X 2M detector, similar to that deployed on the SAXS/WAXS beamline. The detector is mounted on a translation stage in a large vacuum vessel, allowing it to reach distances of ~700-7000 mm from the sample position. With a photon energy of 12.0 keV, this should allow a minimum q of ~0.003 Å-1 at the longest sample-detector distance and a maximum q of ~2.4 Å-1 at the shortest sample-detector distance.
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