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20 cm Height of the neutron beam above the floor level PF1B: 140 cm Mean neutron wavelength 4.0-4.5 A Un-polarized equivalent flux at guide exit 2·10 10 n/cm 2 /s Polarized beam cross-section 3 cm by 4

spectrometer IN15 is a conventional spin echo spectrometer using a velocity selector and a neutron guide between selector and precession magnet. A wide wavelength band is used covering a large area in q-time ... coils max. field of solenoid 750 mT max. field integral 1.05 Tm Detector 32 x 32 pixels, each 1 cm 2 at a distance of 4.6 m from the ...

detector block can reach angular positions in the 0° < 2θ A < 90° range in both positive or negative scattering directions. The instrument allows using a wide range of sample environment equipment such as high ... mm (h x v) Multianalyser Flatcone Analysers 31 Si111 bent perfect crystals, fixed curvature for kf=3 A -1 active area 20 mm (W)x ...

3 2.1 < Ei/meV < 42 1.0 < ki/Å-1 < 5.0 Measurements with a calibrated monitor at the sample position show for a typical wavevector of ki=2Å-1 a flux of about: double focusing set up: 1.04 x 108 n cm -2 ... wavelengths shorter than 2.5 Å. At longer wavelengths a velocity selector placed far upstream in the guide is used as a filter. The sample is ...

) is selected via Bragg reflection on a monochromator. A Fermi chopper pulses this monochromatic beam, setting the time t 0 of its interaction with the sample. A timer then measures the time t taken by ... to 3.0 (meV) Energy resolution ΔE / Ei 2.5 to 15.0% Max energy transfer in % of Ei 45% Qmin (A-1) 0.4/λ Qmax (A-1) 11.8/λ Monochromator ...

the same protection same movements as a TAS The IMPS assembly comprises a multi-analyser made of 9 independent crystals, a computer controlled variable collimator and a position sensitive detector. It makes ... geometries, its use would be quite complicated without a computer assistance. Thus the software vIMPS was developed which offers both a ...

optics and monochromators A pyrolitic graphite HOPG (002) monochromator in reflection position with fixed vertical focussing offers a wavelength of 2.4 Å at a take-off angle of 42˚. A preceding pyrolitic graphite ... through a metal-ceramic plug. The major interests of the micro-strip detection system for the instrument D20 are the precise and ...

rotates on a gamma-arm (γ=2θ in the equatorial plane), on air cushions. The present sample orienter is a C-shaped Eulerian cradle with offset phi axis. This allows a larger range in omega than a conventional ... distance of 76 cm 0.19° horiz. x 0.12° vert. Instrument Description D19 is a single-crystal and fibre diffractometer, which incorporates a ...

cradle can be equipped with a helium-flow cryostat (1.6 K to 450 K, or 0.1 K to 10 K in dilution mode), or a hot-air furnace (up to 1000 K), both with full four-circle accessibility. A double-mirror furnace ... raphic studies of nuclear and magnetic structures. In addition the optional energy analysis allows a restricted energy window to be set to ...

Si(111) t.b.d. analysers Si(111): small angle & arc analysers of old IN16 type; 6 new tall L arge A ngle A nalysers (LAAs) Si(111) polished: small angle & arc analysers + only 3 old IN16 type LAAs (half ... Change-over times between different configurations are long and if possible will be scheduled for a full or half cycles only. As an example ...