Abstract

The operation of a very efficient, high-energy DF-CO2 pulse chemical transfer laser is described. Laser specific energies as high as 21 J/ℓ were obtained with a wall plug laser electrical efficiency of 130%. Higher laser energy can be obtained with lower efficiencies, e.g., 29 J/ℓ at 80%. The electrical efficiency obtained herein is the highest reported to date for pulsed chemical lasers.

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