Pulsed electron-beam-controlled laser using mixtures of isotopically substituted CO2 molecules

An experimental investigation was made of the energy, spectral, and time characteristics of the radiation emitted by a pulsed electron-beam-controlled laser utilizing mixtures of ¹²C¹⁶O₂, ¹³C¹⁶O₂, ¹²C¹⁸O₂, and ¹²C¹⁶O¹⁸O molecules with a nonselective resonator operating in the quasi-cw regime. The replacement of one isotopic form of the carbon dioxide molecules with another made it possible to alter the initial frequency of the laser without a significant change in its energy characteristics.