Broadband stable detector for ultraviolet (300-1700 A) plasma spectroscopy |
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| Authors: | Richards R K |
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| Affiliation: | Department of Physics, The Johns Hopkins University, Baltimore, Maryland 21218. |
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| Abstract: | A CuI coating on the first dynode of a windowless photomultipler creates a broadband and stable detector for ultraviolet plasma spectroscopy with a quantum efficiency above 2% from 400 to 1600 A. The stability of this photocathode was tested in the environment of tokamak discharges; no degradation was found after one year's use. |
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