Operation of a cold-cathode electron-beam-controlled CO2 laser oscillator at 1–3 atm

Abstract

A cold-cathode electron gun was used to control an 8-liter CO2 laser oscillator, operated at pressures varied from 1 to 3 atm. The output energy density scaled linearly with pressure and increased with an increase in the applied drift fields up to 5 kV cm−1 atm−1. The output energy at 2 atm was 1 kJ.