Eur. Phys. J. AP
Volume 15, Number 3, September 2001
|Page(s)||213 - 221|
|Section||Imaging, Microscopy and Spectroscopy|
|Published online||15 September 2001|
Properties of a glow discharge lamp of the Grimm type
Spectroscopy Physics Department, National Research Centre Dokki, Giza, Egypt
Corresponding author: firstname.lastname@example.org
Revised: 20 February 2001
Accepted: 27 April 2001
Published online: 15 September 2001
This work describes a glow discharge lamp of the Grimm type. The lamp proved to be stable for periods up to about 2 hours. The intensity to background ratio of the Cu I 237.4 nm line from a brass target was found to be 200. Analysis of the experimental results showed that the discharge potential depends on the discharge current through a power law . K and S are also power functions of the pressure P. Intensity was measured as a function of the lamp operating parameters (V, i, and P). Self-absorption was shown to be insignificant. The sputtering rate Q was found to vary with the lamp power W=Vi, Q=C Wm where C and m are constants.
PACS: 52.80.Hc – Glow; corona / 81.15.Cd – Deposition by sputtering / 52.80.Yr – Discharges for spectral sources (including inductively coupled plasma)
© EDP Sciences, 2001
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