Overview
The instrumentation suite at LENS reflects the facility's commitment to the study of large scales structures and innovation in neutron instrumentation. Typical neutron fluxes at the sample position are greater than 104 n/cm2/s so the facility concentrates on measurements of structure rather than dynamics in condensed matter systems. Novel aspects of the source that are exploited by these instruments include the cold neutron spectrum and the variable source frequency. The initial suite of instruments will include:
SANS (Small Angle Neutron Scattering)
The SANS instrument occupies the first of 4 beam lines available at LENS. It utilizes pinhole collimation and covers a Q-range of 0.05 - 5 nm-1 that will allow inhomogeneities on a length scale of 2 - 100 nm to be probed. Further details are given following this link.
SESAME (Spin Echo Scattering Angle Measurement)
One of the beam lines at LENS is devoted to the development of a novel instrument that employs neutron spin-echo techniques to encode scattering angles. This technique greatly increases the efficiency with which neutrons are used, since it can provide very precise angular resolution even in the absence of a highly collimated beam. The technique requires a polarized beam of neutrons and various technologies are being explored to produce the spin-flips and precessions needed.
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