Abstract
In order to make best use of the neutron flux, a polarized neutron reflectometry with vertical sample geometry is simulated by Vitess package based on Monte Carlo method. The results prove that the neutron flux gain up to a factor reaches 4.3 and the vertical neutron angle divergence is proved, when the optimal tilting angle of the vertically focusing geranium monochromator is 1.3°. At last the optimal separations of horizontal blades of slit packages are optimized. The parameters can be an instruction for polarized neutron reflectometry construction or project analysis in the future.
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