New efficient low-pressure gas-discharge source of optical radiation using hydroxyl OH

An experimental investigation was made of the possibility of developing a new efficient gas-discharge source of optical radiation based on an OH hydroxyl molecular additive. It is shown that under certain discharge conditions, the luminous efficiency of a positive discharge column in a rare gas-hydroxyl mixture is similar to that of a mercury discharge. The results suggest that it may be possible to develop a new ecologically innocuous source of optical radiation which may in future replace mercury luminescence light sources.

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