Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun physics A device that uses a
photocathode to generate a beam ofelectrons
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
photo- + injector
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Examples
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The photoinjector is a high-brightness electron gun capable of generating extremely short pulses of electrons, less than a hundred picoseconds in duration.
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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 2008
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