title: A new white beam x-ray microdiffraction setup on the BM32 beamline at the European Synchrotron Radiation Facility.
abstract: A white beam microdiffraction setup has been developed on the bending magnet source BM32 at the European Synchrotron Radiation Facility. The instrument allows routine submicrometer beam diffraction to perform orientation and strain mapping of polycrystalline samples. The setup features large source to optics distances allowing large demagnification ratios and small beam sizes. The optics of the beamline is used for beam conditioning upstream a secondary source, suppressing any possible interference of beam conditioning on beam size and position. The setup has been designed for an easy and efficient operation with position control tools embedded on the sample stage, a high magnification large aperture optical microscope, and fast readout detectors. Switching from the white beam mode to the monochromatic mode is made easy by an automatic procedure and allows the determination of both the deviatoric and hydrostatic strain tensors.
authors: CEA, INAC, SP2M-NRS, 17 rue des Martyrs, F-38054 Grenoble, France.
authors: O
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authors: Ulrich
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authors: Biquard
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authors: Bleuet
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authors: Geaymond
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authors: Gergaud
authors: J S
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authors: Micha
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authors: Robach
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authors: Rieutord