Penning discharge as a photoelectric EUV spectroscopy source

Details Penning discharge as a photoelectric EUV spectroscopy source Penning discharge as a photoelectric EUV spectroscopy source

Jul 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977apopt..16.1902w&link_type=abstract

Applied Optics, vol. 16, July 1977, p. 1902-1904.

Physics

Optics

13

Far Ultraviolet Radiation, Light Sources, Luminous Intensity, Penning Discharge, Photoelectric Effect, Ultraviolet Spectroscopy, Fine Structure, Gas Discharges, Gas Ionization, Line Spectra, Tokamak Devices, Ultraviolet Spectra

Scientific paper

A Penning discharge was investigated photoelectrically as a light source from 100 A to 300 A. The source showed reasonable stability - 10% over an hour's operation. Bright spectral lines observed were a mixture of lines from the filling gas (Ne) and from sputtered cathode material (Al). The discharge was found to be an intense line source; an estimate of the brightness of the 160 A Al IV lines shows them to be comparable with the highly ionized metal lines appearing in a pulsed Tokamak discharge. Satellites of the Al IV resonance lines at 160 A appear clearly in the spectra.

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