Abstract
Although recently gain measurements of rare-gas halide lasers were carried out, these measurements have been done only for direct e-beam pumped and avalanche discharge pumped lasers. We studied e-beam-switched-discharge-pumped KrF lasers to obtain detailed experimental data on relationships between discharge characteristics and small-signal gain coefficient g0. As a result, we obtained a high gain coefficient g0 of greater than 11% cm−1 and clarified the relationship between discharge stability and g0. On the discharge stability associated with e-beam-controlled-discharge-pumped KrF lasers many investigations have been performed1,2. Although there is no report clarifying experimentally the relationship between discharge stability and g0 we report here the experimental relationship between discharge stability and g0. The e-beam-switched-discharge pumping, which is a new pumping method, was developed by Lawrence Livermore National Laboratory in 1978.3 In e-beam-switched-discharge pumping, discharge is switched by the injection of e-beam after the voltage is applied slowly between discharge electrodes at voltage below the self-breakdown voltage. This pumping scheme is thought to be similar to the e-beam-controlled-discharge, but in this pumping scheme the applied voltage is higher than the voltage sustaining the discharge.
© 1983 Optical Society of America
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