Abstract

An experimental investigation was made of a self-contained supersonic cw chemical HF laser with a 40 cm ×11 cm three-jet nozzle array and the nozzle—nozzle—nozzle configuration. Such a nozzle array made it possible to form an active medium ~12 cm long and of high optical quality. The use of a wide-aperture stable optical cavity resulted in generation of a laser beam of square (11 cm×11 cm) cross section. A specific output energy of ~80 J g-1 was reached.

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