Photocathode sentence example

photocathode
  • When light strikes a photocathode inside the tube, an electron is emitted, which accelerates toward the first anode in a multiplier unit.
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  • Interactive Flash Tutorial Photomultiplier Tubes Discover how photomultipliers work by amplifying the electrons generated by a photocathode exposed to a photon flux.
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  • Any available light from the outside world enters the lens and strikes a special device called a photocathode.
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  • The photocathode converts the few photons that strike it into a corresponding pattern of electrical energy called electrons.
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  • The next evolution of the technology involved a more advanced photocathode that could further improve the amplification of light.
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  • Instead, they allow light from a very dimly lit location to pass into the goggles, which converts that light into an electrical signal using a special surface called a photocathode.
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  • Electrons from the photocathode are then amplified and projected onto a screen inside the goggles.
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