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Pushing the limits with high-voltage electron guns

Electron gun

Suspended from the white ceramic insulator, the cathode electrode is lowered into the high-voltage chamber by Phil Adderley and Jim Clark, members of Jefferson Lab's Electron Gun Group, during assembly of an ILC-like prototype spin-polarised electron photogun. This photogun was later installed at Jefferson Lab's Continuous Electron Beam Accelerator Facility and successfully operated for their nuclear physics programme. Image: Jefferson Lab

Suspended from the white ceramic insulator, the cathode electrode is lowered into the high-voltage chamber by Phil Adderley and Jim Clark, members of Jefferson Lab’s Electron Gun Group, during assembly of an ILC-like prototype spin-polarised electron photogun. This photogun was later installed at Jefferson Lab’s Continuous Electron Beam Accelerator Facility and successfully operated for their nuclear physics programme. Image: Jefferson Lab

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