Abstract

A quantitative study of intensity changes in the spectra of high-pressure mercury-discharge lamps has utilized a photomultiplier tube and a cathode-ray oscilloscope. In ac operation, the spectral line intensities do not follow the current variation; the intensities are not zero when the current is zero. This phenomenon of residual intensity has been investigated in detail, and has been found to depend upon (1) excitation potential of the lines, (2) nature of the transition (metastable or permitted); and (3) the energy distribution of the lamp.

© 1966 Optical Society of America

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Mercury Resonance Radiation in the High-Current, Low-Pressure Discharge

Peter D. Johnson
J. Opt. Soc. Am. 61(11) 1451-1454 (1971)

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