User: Guest  Login
Document type:
Zeitschriftenaufsatz
Author(s):
Schneider, M.; Stahn, J.; B̈oni, P.
Title:
Focusing of Cold Neutrons: {{Performance}} of a Laterally Graded and Parabolically Bent Multilayer
Abstract:
We have designed and built a parabolically shaped reflector with a Ni/Ti-multilayer coating, graded along the length of the device. The bilayer thickness follows the varying angle of incidence to match the Bragg condition for a beam parallel to the axis of the parabola. As measurements show, this concept leads to a higher reflectivity for monochromatic neutrons compared to a conventional supermirror coating. With a reflectivity R496% we measured a gain of 5 when focusing a 8.6 mm wide beam of 0:...    »
Journal title:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Year:
2009
Journal volume:
610
Month:
nov
Journal issue:
2
Pages contribution:
530
Language:
en
Print-ISSN:
01689002
 BibTeX