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J Synchrotron Radiat. 2003 Jul 1;10(Pt 4):310-2. Epub 2003 Jun 24.

Non-existence of positive glitches in spectra using the YB(66) double-crystal monochromator of BL15XU at Spring-8.

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National Institute for Materials Science, BL15XU, SPring-8, 1-1-1 Koto, Mikazuki-cho, Sayo-gun, Hyogo 679-5198, Japan.


YB(66) is suitable for dispersing synchrotron radiation in the 1-2 keV energy range with a 2d lattice spacing of 1.17 nm. When used with an undulator there are no positive glitches at 1385.6 and 1438 eV in spectra dispersed by a YB(66) 400 double-crystal monochromator as observed using bending-magnet or wiggler beamlines. The transmission function of a YB(66) double-crystal monochromator has been measured by means of a Si PIN photodetector, and X-ray absorption near-edge structure (XANES) of Mg, Al and Si were measured at high resolution. From all of these experiments it has been clarified that a YB(66) double-crystal monochromator is well suited for soft X-ray beamlines on third-generation light sources.


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