Spectrograph Mode
In the spectrograph mode, the energy of the incident electron remains fixed and a grating spectrometer is used to the detect the emitted photons over a range of photon energies. A diffraction grating is used to disperse the emitted photons that are in turn detected with a two-dimensional position sensitive detector.
Read more about this topic: Inverse Photoemission Spectroscopy
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“Sight is the least sensual of all the senses. And we strain ourselves to see, see, see—everything, everything through the eye, in one mode of objective curiosity.”
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