Optical Characteristics of a Mechanical Neutron Monochromator with Helical Slots
- 1 March 1961
- journal article
- Published by AIP Publishing in Review of Scientific Instruments
- Vol. 32 (3) , 297-303
- https://doi.org/10.1063/1.1717348
Abstract
The expression of the function f(λ) defining the transmission of a mechanical monochromator with helical slots when the incident neutron beam is limited by a Soller collimator has been calculated. The influence of the total reflection from the collimator walls upon the function f(λ) was also studied. The paper describes a mechanical monochromator with helical slots devised for the suppression of the higher-order Bragg reflections from a crystal. Measurements with this monochromator have served to check the calculations.Keywords
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