Electric-discharge excimer lasers

It is demonstrated that excitation systems of the type AIL–1 nitrogen can be applied also to obtain stimulated emission from XeF*, KrF* and XeCl* molecules. The dependences of the output radiation energy on the composition and pressure of the mixture and oscillograms of the radiation pulses are given. For discharges in chambers of 100×1.8×0.3 cm dimensions and the He : Xr : CCl₄=750 : 12 : 1 mixture the output radiation energy was 21 mj (λ ≈ 308 nm) and for the He : Xe : NF₃ = 100 : 1 : 1 mixture it was 15mJ (λ ≈ 350 nm). It was found that the halogen compound CHCl₃ was a desirable additive to lasers operated in the pulse-periodic regime.