Abstract

A stigmatic plane grating monochromator (PGM) and a 4-meter normal incidence monochromator (NIM) were recently installed on undulator sources at the Synchrotron Radiation Center (SRC). Details of their design, installation, and performance will be reported. A new pure permanent magnet (PPM) undulator will be installed next year. The design criteria for spectroscopy beamlines utilizing this source as well as two possible monochromator designs, a modified Wadsworth and a varied line spacing (VLS) monochromator, will be discussed.

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