Guide |
NG5,50 mm (width) × 120 mm (height) |
Monochromator |
PG(002) with variable vertical focusing |
|
Ei from 2.4 to 14 meV |
|
wavelengths from 2.42 - 5.84 Å |
Flux at Sample Position |
3.9 × 106 neutrons/cm2/s at 4 Å and open/40' collimation |
|
7.6 × 106 neutrons/cm2/s at 4 Å and open collimation |
Sample Scattering Angles |
-4° ≤ 2θs ≤ 122°, with additional restrictions depending on Ei |
Analyzer |
11 PG(002) blades for horizontal focusing or flat modes |
|
mosaic of individual blade ~30′ FWHM |
Collimators |
source-monochromator - open guide (60/ki) |
|
monochromator-sample - 10′, 20′, 40′, or 80′ |
|
sample-analyzer - 10′, 20′, 40′, 80′, or radial |
|
analyzer-detector - 20′, 40′, 80′, or radial |
Beam Filters |
before sample: PG or cooled Be |
|
after sample: cooled Be or BeO |
Detectors: |
3He single detector (2.54 cm (diameter) × 15.09 cm (height) |
|
3He single detector (5.08 cm (diameter) × 15.09 cm (height) |
|
3He position sensitive detector (20 × 25 cm2 area) |