Abstract
Neutron guides using reflective optics are used to transport thermal neutron beams. Narrow channels enable the neutron beam to be bent more sharply than with wide guides. Recent developments in polycapillary fibers with thousands of channels having sizes of a few microns have allowed cold neutrons to be guided and focused. A neutron focusing lens can enable an increased lateral resolution of the measurement and an improvement in the detection limits for specific elements for neutron absorption techniques in analytical and materials research. Over an order of magnitude increase in neutron intensity within a submillimeter focal spot has been achieved. Beam benders can also provide more end-positions for experimental stations.
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