cesium-antimonide photocathode

cesium-antimonide photocathode

[′sē·zē·əm ′an·tə·mə‚nīd ‚fōd·ō′kath‚ōd]
(electronics)
A photocathode obtained by exposing a thin layer of antimony to cesium vapor at elevated temperatures; has a maximum sensitivity in the blue and ultraviolet regions of the spectrum.
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