photocathode
noun
pho·to·cath·ode
ˌfō-tō-ˈka-ˌthōd 
: a cathode that emits electrons when exposed to radiant energy and especially light
Examples of photocathode in a Sentence
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To accomplish this, the researchers created a photocathode – the component that creates photoelectric electrons – out of thin nanosheets of gallium arsenide crystals.
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Michael Franco, New Atlas, 11 Oct. 2024
Modern NVGs collect ambient and infrared light which is passed through a photocathode and turned into electrons.
—New Atlas, 20 Sep. 2024
While the part of the device that converted the photon to an electron is called a photocathode, this part that turns the volume up on the electron is known as the microchannel plate.
—Rob Verger, Popular Science, 16 Jan. 2023
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Michael Franco, New Atlas, 11 Oct. 2024
Modern NVGs collect ambient and infrared light which is passed through a photocathode and turned into electrons.
—New Atlas, 20 Sep. 2024
While the part of the device that converted the photon to an electron is called a photocathode, this part that turns the volume up on the electron is known as the microchannel plate.
—Rob Verger, Popular Science, 16 Jan. 2023
Dictionary Entries Near photocathode
Cite this Entry
“Photocathode.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/photocathode. Accessed 31 Dec. 2024.
Copy CitationMedical Definition
photocathode
noun
pho·to·cath·ode
-ˈkath-ˌōd
: a cathode (as in a photoelectric cell) that emits electrons when exposed to light or other radiation
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