photocathode Definition
photo·cath·ode (fōt′ō kat̸h′ōd′)
noun
a cathode that emits electrons when activated by radiation, as light
photocathode Usage Examples
Converse of object
- expose: Interactive Flash Tutorial Photomultiplier Tubes Discover how photomultipliers work by amplifying the electrons generated by a photocathode exposed to a photon flux.
- strike: When light strikes a photocathode inside the tube, an electron is emitted, which accelerates toward the first anode in a multiplier unit.
- use: We therefore decided to investigate possible MCP efficiency enhancements for beta particles using similar photocathodes.
Converse of subject
generate: Interactive Flash Tutorial Photomultiplier Tubes Discover how photomultipliers work by amplifying the electrons generated by a photocathode exposed to a photon flux.
Modifies a noun
material: X-rays interact with the channel plate glass and electrodes ( and with the associated photocathode material ) via the photoelectric effect.
Browse dictionary entries near photocathode
- ‹ photobiotic
- ‹ photobiology
- ‹ photoautotrophic
- ‹ photoactinic
- ‹ photoacoustic
- ‹ photo-
- ‹ photo opportunity
- ‹ photo-offset
- ‹ photo finish
- ‹ photo

