Influence of discharge-current fluctuations on the operation of a helium-neon laser utilizing coupled 3s2–2p4 и 3s2–3p4 transitions in neon

A calculation was made of the intensity of stimulated emission from a helium-neon laser emitting simultaneously due to two coupled 3s₂–2p₄ (λ = 0.63 3.39 м) and 3s₂–3p₄ (λ = 3.39 м) transitions. It was found that, under certain conditions, the emission of лi = 3.39 3.39 м could alter considerably (in particular, could reduce) the sensitivity of the intensity of visible radiation to discharge-current fluctuations. The theoretical conclusions were confirmed experimentally at low frequenices of the fluctuations of the current density.