CARBON MONOXIDE CHEMICAL LASER UTILIZING A FAST FLOW SYSTEM

Abstract
Lasing from chemically formed CO in the range 5.20–5.60 μ m has been observed in a fast flow (∼ 120 m/sec) system. Atomic oxygen was formed in an O2–He discharge and passed into the optical cavity where it reacted with CS2. The chemical reaction and excitation mechanism are discussed and compared to systems in which flash photolysis was used with CS2–O2 mixtures. Power levels of the order of 0.1 W from an interaction region 10 mm i. d. ×30 cm long were obtained with an input energy of 3 J per pulse into the O2 dissociator.

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