POWGEN—Specifications
POWGEN schematic (larger image).
Instrument Specifications |
|
---|---|
Moderator | Decoupled poison supercritical H2 |
Source-to-sample distance | 60 m |
Sample-to-detector distance | 2.5-4.5 m |
Detector angular coverage | 30 < 2Θ < 150 |
Total detector coverage | 6.9 m2 |
Bandwidth | ~1 Å |
Frame 1 | 0.1-2 Å @ 60 Hz 0.2-4 Å @ 30 Hz |
Frame 5 | 2.2-10.2 Å @ 60 Hz |
Resolution | 0.001 < Δd/d < 0.016 |
Sample environment | 24 sample changer: 12-300 K Orange cryostat: 2-300 K ILL furnace: 1200°C Gas atmospheric furnace (with RGA and p02 sensor): 850°C |
Flux on sample as a function of wavelength (larger image).
![POWGEN resolution](https://webarchive.library.unt.edu/web/20130217101946im_/http://neutrons.ornl.gov/images/powgen/resolution-300.png)
Resolution Δ d/d as a function of wavelength (larger image).