energy resolution
energy resolution
"Energy resolution" is the minimum energy (eV) of a spectral peak that can be resolved in spectroscopy. In EDS, the detector performance determines the energy resolution to be 130 to 140 eV. In WDS, it is about 10 eV; however recently, some WDS analyzers can produce an energy resolution below 1 eV. In EELS, the energy spread of the incident electron beam almost determines the energy resolution. Standard EELS resolution using a field-emission electron gun is about 0.7 eV. When an electron gun is equipped with a monochromator, a higher energy resolution of about 0.2 eV is obtained.
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