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Instrument Data beam size at sample 40 x 10 mm 2 incident wavelength range 2 - 30 Å scattering plane vertical Figaro Time-of-flight 4 choppers Frame overlap mirrors [20Å] [30Å] white beam flux at sample ... sample ~10 8 n cm -2 s -1 angle undeflected beam 0.62˚ angles deflected beam -2.5˚ < θ < 3.8˚ (horizontal) constant wavelength resolution δλ/λ ...

Guide hall, thermal beam H25 Monochromators In primary shielding: PG (002) vertical focussing in reflection Cu (200) flat in transmission In secondary shielding (for polarized neutrons): Heusler (111) ... to the right or to the left, with a maximum Bragg angle 2θB ≈ 130° on both sides; using a normal beam mode: the lifting detector is mounted in ...

cold source; the short rotor and high transmission of its velocity selector; the relatively large beam cross-section (55 x 40 mm). Wavelength selection A relatively narrow wavelength band (normally 10 ... of eight sections. Each section comprises three tubes, any one of which can be positioned on the beam axis. One tube contains a neutron guide of ...

-1 7.9 x 10 6 crystal Germanium (311) wavelength 1.28 Å flux at sample/n cm -2 s -1 0.4 x 10 6 max beam size 5 x 2 cm 2 Detector 3 He multidetector containing 1280 cells angular range 2θ 128° radius of ... Scanning 2 or 3 positions allows the complete determination of the pole figures in typically one day of beam time. D1B is controlled by a Linux ...

data translation x,y ± 300 mm max. distance to beam 460 mm z 150 mm rigid translation 700 mm tlit (χ, φ) ± 30° rigid rotation (Ω) 360° rotation (ω) ± 45° Beam defining optics radial collimators primary and ... laboratory. Two options for beam size definition are available: computer controlled variable slit systems and radial focusing collimators. ...

Flipping ratio at sample position > 100 at λ = 4-8 Å (max. 150 at λ = 6 Å) over a beam with 20 mm diameter Collimation Beam attenuators A set of 4 sintered 10 B 4 C + Gd sieves (with identical hole density ... ASTRIUM ,) Δλ/λ ≈ 10 % (FWHM) (at zero rotation angle) Incident wavelength Variable, 3.2 ≤ λ [Å] ≤ 25 Beam monitor ( LND, Inc. ) Thin 235 U ...

slightly increases the energy resolution width. A vertically curved Graphite deflector focusses the beam onto the sample. The scattered neutrons are energy analysed by a set of seven spherically curved composite ... large solid angle of 0.18 sr. An additional three circular analysers centred around the transmitted beam cover the small-angle region. ...

% 0.4, 4 4.8 92.3 1.8 × 10 6 3.55 4.4 % 0.3, 2.5 5.7 116.3 0.8 × 10 6 2.51 3.7 % 0.2, 2.1 Maximum beam size at sample: 55 × 25 mm Technical Specifications Monochromator 3 × HOPG (002), each with vertical ... the cold neutron guide H15, monochromates the neutrons with wavelengths of 3.1 Å, 4.8, or 5.7 Å. The beam is polarized using a focusing, m = ...

series of moveable glass guides. Guide sections are inserted into or removed from the beam depending on the incident beam divergence required. The sample zone, situated 35 m down-stream from the velocity selector ... λ [nm] ≤ 4 max. wavelength at max. detector dist. (39 m) λ = 2.2 nm selector rotation normal to n-beam possible minimum wavelength at ...

of the neutron detector and of the cell fixture cross section in alignment to the incident neutron beam. The scintillator sits in the neutron detector head close to the cell fixture. The emitted scintillation ... ion light is reflected to the detector, which is orientated perpendicular to the incident neutron beam. Two heating cartridges inserted ...