Abstract

An optically pumped XeF(C–A) laser with 0.1–$1\mathrm{Hz}$ pulse-repetition mode is demonstrated. The maximum output energy is up to $18.7\mathrm{J}$, which corresponds to the conversion efficiency of the stored electrical energy to laser output energy of 0.25%. The laser active medium is optically excited by vacuum-ultraviolet radiation of two single-channel surface discharges initiated along opposite walls of the laser cell. The laser resonator output coupling is 10%, and the initial $\mathrm{Xe}{\mathrm{F}}_2$ concentration in the active gas mixture is $\sim 1\times {10}^{17}{\mathrm{cm}}^{-3}$. The duration of the observed laser pulses is $0.8\text{to}1.2\mu \mathrm{s}$, and the spectral band is $470–500\mathrm{nm}$.

© 2007 Optical Society of America

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