Tight tolerances on the grazing angles of the X-ray mirrors require precision alignment and assembly of each component via a coordinate measuring machine, and a comprehensive off-line calibration of the four KB channels at X-ray wavelengths. The main goals of the calibration campaign are to measure the performance of the multilayer, validate the assembly procedure by measuring the as-built spatial resolution and determine the best object to mirror pack distance (drive depth) of the microscope for fielding at NIF. We report on the results of this effort on the first fully assembled NIF KB X-ray imager.
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Nicolai F. Brejnholt, Jay J. Ayers, Thomas J. McCarville, Tom Pardini, Louisa A. Pickworth, David K. Bradley, Todd A. Decker, Stefan P. Hau-Riege, Randal M. Hill, Michael J. Pivovaroff, Regina Soufli, Julia K. Vogel, Chris C. Walton, "Calibration results for first NIF Kirkpatrick-Baez microscope," Proc. SPIE 9591, Target Diagnostics Physics and Engineering for Inertial Confinement Fusion IV, 95910J (9 September 2015);