4.4 Article Proceedings Paper

Improved focusing capability for inelastic X-ray spectrometer at 3-ID of the APS: A combination of toroidal and Kirkpatrick-Baez (KB) mirrors

Publisher

ELSEVIER SCIENCE BV
DOI: 10.1016/j.nima.2010.11.068

Keywords

Inelastic X-ray scattering; Phonons; High pressure; KB mirrors

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We have combined a toroidal and a KB mirror system in tandem to improve the focal spot size for the momentum-resolved inelastic X-ray scattering (IXS) spectrometer at Sector 3 in APS. This combination provides a factor of 40 gain in flux density and 20 mu m (H) x 17 mu m (V) (FWHM) in beam size at the sample position, enhancing the capability of the beamline for high-pressure measurements. (C) 2010 Elsevier B.V. All rights reserved.

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