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Dresden 2006 – scientific programme

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VA: Vakuumphysik und Vakuumtechnik

VA 4: Instruments for neutrons

VA 4.2: Talk

Monday, March 27, 2006, 15:00–15:20, HSZ 101

MIRA - A flexible instrument for long wave length neutrons — •Robert Georgii1, Sebastian Mühlbauer2, and Peter Böni21ZWE FRM-II, TUM, Lichtenbergstr.1, 85747 Garching — 2E21, Physikdepartment, TUM, James-Frankstr., 85747 Garching

MIRA, the beam line for very cold neutrons at the FRM-II provides a beam of cold neutrons (7 Å < λ < 30 Å). The instrument has several different operation modes. Currently it can be used as a reflectometer and as a SANS machine. Both modes can be combined with a spin echo-option or a full 3D-polarisation analysis. Magnetic fields up to 10 Tesla and temperatures in the range of mK to 2000 K can be provided using the FRM-II standard sample environment. The instrument is furthermore ideally suited as a testing platform for new experimental set-ups as it is constructed in a modular way allowing for quick configuration changes. Here the instrument and its sample environment together with selected measurements showing the use of the different modes of operation will be presented.

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