Abstract
A shock tunnel facility is fabricated and used for the study of a supersonic flow CO chemical laser. A high temperature mixture of CS2, CS, S2, S and an inert gas is produced in a shock tube, where the thermal dissociation of CS2 is accomplished by a reflected shock wave. The shock heated mixture is exhausted through supersonic nozzles mounted at the end of the tube and mixed with the supersonic streams of O2. Then, the vibrationally excited CO molecules are produced in the mixed streams by a chain reaction between CS and 02 initiated by S atoms. The shock tunnel facility is used to study the gain characteristics and to observe the flow field utilizing the chemiluminescence. A computer simulation of the supersonic flow CO chemical laser is also performed and the importance of the viscous effects on the gain characteristics is demonstrated.
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