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<h1 class="nist-page__title">Spin Polarized Inelastic Neutron Spectrometer (SPINS)</h1>
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<p><img alt="Photograph of NCNR's Spin Polarized
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SPINS is located on guide NG-5. SPINS operates in a number of different modes including conventional triple axis mode, horizontally focusing mode, position-sensitive detector (PSD) and polarized beam mode. A vertically focusing pyrolytic graphite (PG) monochromator produces beams with wavelengths from 2.42 to 5.84 ? Energy resolution is in the range of 0.02 to 1 meV, depending on incident wavelength and collimation.&nbsp;</p>
<p>PG and Be filters are available before the sample, and Be and BeO filters available after the sample to cut off higher order neutron contamination.&nbsp;<br>
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A multi-crystal analyzer with 11 PG blades provides horizontal focusing capability. The focusing is fully automated and controlled from the instrument computer. (Currently unavailable)<br>
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In the polarized beam mode of operation, supermirror transmission polarizers, consisting of a stack of single crystal Si plates with Fe/Si supermirror coatings, are inserted in the incident and scattered beams.</p></div>
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Created April 2, 2019, Updated May 1, 2023
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