cryogun

English

Etymology

From cryo- +‎ gun.

Noun

cryogun (plural cryoguns)

1. A cryogenically-cooled electron gun
   • 2015, C. Gulliford, A. Bartnik, I. Bazarov, “Multi-objective Optimizations of a Novel Cryo-cooled DC Gun Based Ultra Fast Electron Diffraction Beamline”, in arXiv‎^[1]:

     For a final charge of 1000k electrons the cryogun produces a coherence length per rms spot size of 0.1 nm/micron for an rms bunch length of 100-200 fs and final spot size of 50 micron.