Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A device that uses a photocathode to generate a beam of electrons

Etymologies

photo- +‎ injector (Wiktionary)

Examples

  • The photoinjector is a high-brightness electron gun capable of generating extremely short pulses of electrons, less than a hundred picoseconds in duration.

    dailyindia.com News Feed

  • The first high-energy beam was achieved using ALICE's photoinjector, which fired a beam of electrons into a superconducting linear accelerator, creating a particle beam with a total energy of nearly four and a half million electron volts.

    innovations-report

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