Neutron optics at the Advanced Neutron Source (Invited Paper)

John B. Hayter

doi:10.1117/12.130614

23 November 1992 Neutron optics at the Advanced Neutron Source (Invited Paper)

John B. Hayter

Proceedings Volume 1738, Neutron Optical Devices and Applications; (1992) https://doi.org/10.1117/12.130614
Event: San Diego '92, 1992, San Diego, CA, United States

Abstract

The Advanced Neutron Source (ANS), currently in conceptual design at Oak Ridge National Laboratory, will be a multipurpose neutron research laboratory serving the needs of academic and industrial users throughout the nation in chemistry, biology, physics, materials science, and many other fields. It will be centered on the world's highest flux neutron beam reactor, but that is only the starting point for ensuring high productivity, which will be enhanced further by careful design of the neutron beam delivery systems. Many instruments will be situated in low backgrounds at distances up to 80 m from the reactor, using neutron guides with tailored neutron optical coatings for beam transport. Where appropriate, multilayer optical coatings will also be used in beam focussing (and sometimes defocussing) devices. Certain applications, such as prompt-(gamma) activation analysis, may also use neutron fiber optics to split beams between multiple samples. Neutron optical techniques such as interferometry and reflectometry will form a basic part of the research instrument complement at the ANS. Finally, very long wavelength neutron beams, in which the optical potential becomes very large, will be provided for specialized research.

Citation Download Citation

John B. Hayter "Neutron optics at the Advanced Neutron Source (Invited Paper)", Proc. SPIE 1738, Neutron Optical Devices and Applications, (23 November 1992); https://doi.org/10.1117/12.130614

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