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10 µm Parabolic guide between the slits to focus the beam vertically Sample position White beam flux 9.6x10 9 n/cm 2 /s Vertical sample geometry Beam area at sample 6 x 50 mm (width x height) High precision ... possible in resolution and modes of operation. The supermirror-coated guide provides the highest white beam flux at the sample position in ...

the resolution you need. Set he height of the beam (s3h) to be 5mm less than the sample height H. You may have to set it twice. With the sample out of the beam set the conditions for the choosen angles (opening ... into the beam. Switch on the power supply found under the detector tank (black switch) and the slit should oscillate up and down. This ...

lids featuring inclined windows allowing the exact position of the sample relative to the neutron beam to be measured. The lids are heated automatically to prevent any condensation and Sapphire windows ... chamber and prevent spurious scattering in the dectector. B4C plates are placed on each side of the beam as well as between chambers and troughs ...

a combination of several design features that result in the strongest flux of UCN/VCN worldwide: A beam of very cold neutrons is extracted from ILL's vertical cold source by an optimized neutron guide system ... would be necessary in the case of direct UCN extraction are greatly reduced; furthermore, part of the beam can be used for experiments ...

Reactor hall, hot neutron beam H3 Monochromators Cu (220) Take-off angle 2θM 13 - 56 ° Wavelength λ 0.25 - 0.85 Å Sample Beam size 0.6 x 0.6 cm2 4-circle ranges -20 <2θ <120° -34 <ω <48° 80 <χ< 200° -179 ... is an Eulerian cradle with offset χ-circle. A recent development also allows measurement in ‘normal beam’ (lifting-counter) geometry (i.e. ...

Reactor hall, thermal beam H11 Monochromator 28 Ge[115] crystals of 1 x 5 x 1 cm 3 take-off-angle 135° Germanium [hkl] wavelengths λ /Å 557 1.051 337 1.277 551 1.464 335 1.594 (optimum λ) 331 2.398 113 ... 113 3.152 flux at sample λ = 1.594 Å Å 10 6 high resolution Å 10 7 high intensity Sample beam size at sample 2 x 5 cm 2 angular range 5° <2θ ...

continuous change of wavelength. Beam conditioning A set of diaphragms and vacuum collimation tubes is available in order to adjust the shape and divergence of the beam incident on the sample. Depending ... ration is significantly improved placing a Radial Oscillating Collimator in the way of the diffracted beam, so that the contribution of bulky ...

Material in the beam Sample Dimensions Ø x height (mm) Type 68IL3H100 (unavailable) 350 mK - 300 K A5-AG3 Ø150 x 190 Bottom loading 137IL3H34 400 mK - 300 K A5 Ø34 x 115 (60 max from holder to beam) Insert for

or below the sample in a wide q-range. With an incoming beam of wavelengths comprised between 2 Å and 30 Å, and M=4 supermirrors to deflect the beam, it is possible to attain a q-range up to 0.42 Å -1 (

devices for focusing, collimating or polarising neutron beams. One of the best-known devices is the "Schärpf-type" bender for polarising cold-neutron beams, but many other types of devices are possible, such