| 摘要 |
A device to produce and test a thin film of excited gas or liquid comprising a helium resonance lamp having an emission at 584A and including a window in said lamp partially transparent to radiation at 584A. A chamber containing a gas mixture including helium surrounds the window. Windows are provided in the chamber adjacent the lamp window, said windows being transparent to emission emanating from the gas adjacent the lamp window when the lamp is excited by an RF source.
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