Abstract
Abstract Quantitative analysis for HF production in the product gases of an electrically initiated H 2 :SF 6 laser has been performed by aqueous titration. Measurements were taken at an HF laser output of approximately one joule per pulse. Gas chromatographic analysis has revealed the presence of SF 4 . A likely mechanism to describe the decomposition of SF 6 in an electric discharge, and mechanisms to account for HF production in the laser and titrimeter are given. Based upon total HF production in the laser, 7.2% of the chemical energy available from the reaction F + H 2 → HF * + H appears as laser light output. As the atomic ratio of F to H in the SF 6 + H 2 mix is increased from 3 to 65, the chemical efficiency is increased and the HF production is decreased, suggesting that collisional deactivation of HF * by H 2 limits the laser efficiency.
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