mode - CERN Accelerator School

mode - CERN Accelerator School mode - CERN Accelerator School

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7. Linac Technologies 56

Electron sources: give energy to the free electrons inside a metal to overcome the potential barrier at the boundary. Used for electron production: thermoionic effect thermoionic effect laser pulses surface plasma Photo Injector Test Facility - Zeuthen 262nm Laser RF Injection – 1.5GHz Particle production – the sources Cs2Te Photo-Cathode or Mo Δ=0.67ns Ion sources: create a plasma and optimise its conditions (heating, confinement and loss mechanisms) to produce the desired ion type. Remove ions from the plasma via an aperture and a strong electric field. CERN Duoplasmatron proton p Source 57

7. Linac Technologies<br />

56

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