L.J. Terminello, J.J. Barton, et al.
Physical Review Letters
Paper
Low pass filter for soft x-ray monochromators
Abstract
A low pass filter is described that suppresses higher-order diffraction light from vacuum ultraviolet and soft x-ray monochromators. It consists of a triple silicon reflector with the angle of incidence matched to the desired photon energy cutoff. The performance is calculated and tested experimentally using a toroidal grating monochromator.
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