crystal monochromator


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crystal monochromator

[¦krist·əl ‚män·ə′krō‚mād·ər]
(spectroscopy)
A spectrometer in which a collimated beam of slow neutrons from a reactor is incident on a single crystal of copper, lead, or other element mounted on a divided circle.
References in periodicals archive ?
Contract notice: Open tender above the threshold for the provision of a double crystal monochromator for x-rays
The generator was set up at 40 kV and 40 mA and the copper Cu Ka radiation was selected using a graphite crystal monochromator.
2), with its double crystal monochromator (DCM) was funded by the Ontario Centre for Material Research (OCMR) in 1987.
The wide energy range requires the use of separate monochromators (one double crystal monochromator and one plane grating monochromator) and mirror focusing optics.
89 nm beamline includes characterizing the double crystal monochromator and the downstream guides.
Smaller x-ray spot The heart of the Quantum 2000 is a redesigned quartz crystal monochromator, which produces a focused x-ray beam [is less than] 10-[micro] dia.
Monochromatic photons from 20 eV to 4000 eV are available on a grazing incidence monochromator beamline (funded by NSERC and NRC), and a double crystal monochromator beamline (funded by the Ontario Centre for Materials Research (OCMR)), while a third beamline gives filtered unmonochromatized SR for imaging and tomography studies.
Before falling onto the skew-symmetric interferometer the incident neutron beam was collimated and monochromatized by the 220-Bragg reflection of a Si perfect crystal monochromator placed in the thermal neutron guide H25.