Absolute and relative detector efficiencies measured. Apparatus uses coincidence-counting techniques to measure efficiency of ultraviolet or vacuum ultraviolet detector at very low radiation intensity. Crossed electron and atomic beams generate photons used to calibrate photon detector. Pulses from electron counter and photon detector(s) processed by standard coincidence-counting techniques. Used to calibrate other detectors or make absolute measurements of incident photon fluxes.
Electron-Photon Coincidence Calibration Of Photon Detectors
NASA Tech Briefs ; 12 , 4
01.04.1988
Sonstige
Keine Angabe
Englisch
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