Scaling of positive-column Hg—Ar discharges towards display cells

1 October 1977

journal article
Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Electron Devices

Vol. 24 (10) , 1239-1244
https://doi.org/10.1109/t-ed.1977.18986

Abstract

Measurements are presented of the ultraviolet output and the electric field of Hg-Ar positive-column discharges with diameters2Rranging from 0.5 to 5 mm. The UV exitance and efficiency remain constant (and equal to that of the standard fluorescent tube), provided the pressures are scaled in proportion to1/R. From the existing models of the Hg-Ar column a parametric description is obtained. When full account is given of collisional line broadening in the transport of resonance radiation, comparison of measurements and model leads to the conclusion that they are not in agreement. The UV measurements suggest that the electron temperature remains constant at constantpR, which is also in disagreement with the models.

Keywords

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