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. 1993 Jan-Feb;98(1):59–69. doi: 10.6028/jres.098.005

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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. 2 — The calculated resolution of a triple axis spectrometer as a function of the monochromator scattering angle 2θ_m. The collimation widths are 40, 20, 20, and 20 min of are for the collimators before and after the monochromator and before and after the analyzer, respectively. The monochromator and analyzer crystals are both PG (002). The resolution is for elastic scattering (E=E₀).