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Instrument Development Group

The Instrument Development Group, led by Lee Robertson, focuses on cutting-edge R&D in neutron instrumentation. Key areas of interest include techniques for 3He polarization, innovative neutron optics, and concepts like SESAME and SERGIS. The group aims to develop a prototype wide-angle 3He polarizer by 2008 for use by 2009, enhancing neutron beam performance. Dr. Thorwald van Vuure, the first Instrument Development Fellow, is pioneering a new detector concept combining solid converters and gas multipliers to improve thermal-neutron detection rates.

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Instrument Development Group

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  1. Instrument Development Group Lee Robertson NFDD Division Meeting January 15th, 2008

  2. We do R&D on new instrument concepts and components Lee Robertson Group Leader Hal Lee Research Scientist Dennis Rich Research Scientist Current topics of interest include: • Polarization (3He polarization techniques, supermirrorpolarizers, magnetic spin filters) • Instrument Concepts: SESAME, SERGIS, MIEZE, Imaging, TISANE, and “wavelength multiplication” • Neutron Optics (focusing mirrors, refractive and magnetic lenses, new monochromator/analyzer materials, and high speed adaptive optics for pulse/probe applications) • Neutron Transport (guides, magnetic beam confinement) Presentation_name

  3. Polarization Lab The primary goal of the group for 2008 is to produce a working prototype wide angle 3He polarizer and have a design suitable for use on the instruments by 2009. 45° Wide Angle Polarization Cell 3He Filling Station

  4. Test of 3He Polarization Cell – Jan 2008 Presentation_name

  5. New Instrument Development Beamline SERGIS Development Design Experiment Build Results Setup at Asterix Neutron Imaging HFIR Cold Guide Hall SERGIS / MIEZE Development Neutron Optics / Imaging Presentation_name

  6. Instrument Development Fellowship Program This fellowship is for 1-3 years and is for the development of novel neutron instrumentation and instrument components. The call is directed at scientists within 10 years of their PhD from academic, industrial, or government institutions. The plan is to offer one or two Fellowships each year so that there will nominally be four Fellows here at any given time. Presentation_name

  7. Dr. Thorwald van VuureORNL Instrument Development FellowNovel Concepts for Neutron Instrumentation Dr. Thorwald van Vuure is the first Instrument Development Fellow. He is working on a new detector concept which combines inclined layers of solid thermal-neutron converters with gas electron multipliers for thermal-neutron detection to achieve a higher data rate than is currently available. Presentation_name

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