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. 2012 Feb 2;117:61–79. doi: 10.6028/jres.117.002

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The Journal of Research of the National Institute of Standards and Technology is a publication of the U.S. Government. The papers are in the public domain and are not subject to copyright in the United States. Articles from J Res may contain photographs or illustrations copyrighted by other commercial organizations or individuals that may not be used without obtaining prior approval from the holder of the copyright.

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Fig. 10 — Energy scan through the incoherent scattering of a vanadium calibration sample, comparing the original (BT-2 and BT-4 style) analyzer temporarily used with the new instrument, with the new analyzer in flat mode, and with horizontal focusing. An improvement in performance of 2.4 is obtained over the old analyzer, which comes primarily from the increased analyzer/detector height. Relaxing the angular divergence by employing horizontal focusing mode provides an overall factor of 6.2 gain in signal.