Hersh, Herbert N. National Research Council, Commission of Engineering and Technical Systems, National Materials Advisory Board, Washington, DC.
Schulman, James H. Formerly, U.S. Naval Research Laboratory, Washington, DC.
- Additional Readings
A luminescence resulting from the bombardment of a substance with an electron (cathode-ray) beam. The principal applications of cathodoluminescence are in television, computer, radar, and oscilloscope displays. In these a thin layer of luminescent powder (phosphor) is evenly deposited on the transparent glass faceplate of a cathode-ray tube. After undergoing acceleration, focusing, and deflection by various electrodes in the tube, the electron beam originating in the cathode impinges on the phosphor. The resulting emission of light is observed through the glass faceplate, that is, from the unbombarded side of the phosphor coating. See also: Cathode-ray tube
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