Polarizing multilayer spectrometer for neutrons
Polarizing neutron monochromators were prepared by sputtering thin-film multilayers with d-spacings from 40 to 85A on large float-glass substrates. Peak reflectivities as great as 90% and polarizing efficiencies of 98% were measured. Increased angular acceptances were obtained by fabricating multilayers with multiple d- spacings. A planned polarized beam spectrometer which incorporates the multilayers and which has a variable energy resolution independent of angular beam divergence is described.
- Research Organization:
- Brookhaven National Lab., Upton, NY (USA)
- DOE Contract Number:
- AC02-76CH00016
- OSTI ID:
- 6155065
- Report Number(s):
- BNL-29922; CONF-810840-2; ON: DE81029546
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
654003* -- Radiation & Shielding Physics-- Neutron Interactions with Matter
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BEAMS
ELEMENTS
FABRICATION
GERMANIUM
IRON
METALS
MONOCHROMATORS
NEUTRON BEAMS
NUCLEON BEAMS
OPTICAL PROPERTIES
ORIENTATION
PARTICLE BEAMS
PHYSICAL PROPERTIES
POLARIZED BEAMS
REFLECTIVITY
SPIN ORIENTATION
SPUTTERING
SURFACE PROPERTIES
TRANSITION ELEMENTS
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BEAMS
ELEMENTS
FABRICATION
GERMANIUM
IRON
METALS
MONOCHROMATORS
NEUTRON BEAMS
NUCLEON BEAMS
OPTICAL PROPERTIES
ORIENTATION
PARTICLE BEAMS
PHYSICAL PROPERTIES
POLARIZED BEAMS
REFLECTIVITY
SPIN ORIENTATION
SPUTTERING
SURFACE PROPERTIES
TRANSITION ELEMENTS