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photocathode

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photocathode [ˌfəʊtəʊˈkæθəʊd]
n
(Chemistry) a cathode that undergoes or is used for photoemission
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.photocathode - a cathode that emits electrons when illuminated
cathode - a negatively charged electrode that is the source of electrons entering an electrical device
electric eye, magic eye, photocell, photoconductive cell, photoelectric cell - a transducer used to detect and measure light and other radiations
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The microchannel plate sits inside a vacuum package between the photocathode and the electron-collecting semiconductor array.
'Black Art': future night vision devices: more than just goggles by Jean, Grace V. / National Defense
Achieving Counting Statistics in Current Mode Operation In current mode detection, counting statistics appears as the RMS width in the sample distribution, due to the fluctuation in the number of electrons produced at the photocathode of the VPD, as a result of the quasi instantaneous amount of energy deposited in the CsI crystal.
Commissioning of the NPDGamma detector array: counting statistics in ... by Zhu, H. / Journal of Research of the National Institute of Standards and Technology
The light particles, called photons, are converted into electrons as soon as they hit a photocathode tube; their numbers are multiplied and then sent to hit the back of a fluorescent screen where they regenerate the image.
Drilling the darkness by Biass, Eric H. / Armada International
 
 
 
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