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Design optimization of “straight groove” toroidal grating monochromators for synchrotron radiation

Authors
Journal
Nuclear Instruments and Methods
0029-554X
Publisher
Elsevier
Publication Date
Volume
172
Identifiers
DOI: 10.1016/0029-554x(80)90625-4
Disciplines
  • Design

Abstract

Abstract The use of approximate focussing to achieve a moderate resolution monochromator was pioneerd by the workers at the National Bureau of Standards. More recently the advantages of high flux, mechanical simplicity and low cost have been exploited by other groups, and monochromators of this class have been built employing aberration correction. We consider briefly the theory of the straight groove (uncorrected) case and advance some ideas aimed at achieving optimal designs for various purposes. Some particular solutions proposed for use at the National Synchrotron Light Source are discussed, and detailed ray traces are shown indicating the expected performance.

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