Recent developments in computed tomography at GSECARS

A facility for x-ray computed microtomography (CMT) is operating as a national user facility for earth and environmental sciences research on the bending magnet beamline at the GeoSoilEnviroCARS sector at the Advanced Photon Source (APS). We present an analysis of the source of noise in the reconstructed data, compared to data on similar samples from another instrument. We also report on careful characterization of the CCD detector, on new highspeed data collection strategies, and applications to high-pressure tomography.