Abstract
A study was made of the feasibility of obtaining λ = 585.3 nm stimulated emission from a Penning laser utilizing a mixture of Ne and H2 excited by an electron beam generated by an open discharge. A quasi-cw output power of 2.5 W with an efficiency of 0.1% in terms of input energy was obtained in a cell 0.7 cm in diameter and 7.2 cm long. The maximum gain was 5.7 m − 1. The optimal ratio of components was pNe:pH2 = 1:4 at a total pressure of 2.6–3 kPa, which differed from the conditions in discharges with a hard component and hollow-cathode discharges. Experiments using pairs of pump pulses showed that the laser could be converted to cw operation.
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