Ukegawa, S.
and Gallagher, A.
(1999),
Charge Lamp BAsed on MgH RAdiation, Journal of Applied Physics
(Accessed September 11, 2024)
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Charge Lamp BAsed on MgH RAdiation
Published
Author(s)
S Ukegawa, Alan Gallagher
Abstract
We report the efficacy and spectrum of an inductively-coupled, radio-frequency discharge in mixtures of magnesium (Mg), hydrogen (H2), and argon vapor. The predominantly green emission is dominated by the A-X band of MgH, plus some Mg lines. The discharge operates in a frit-sealed, ~600 C alumina cell with a sapphire window, at pressures of 200-600 Pa. The plasma impedance is established from the impedance of the matching network parameters, and the electron temperature is determined from line intensity ratios. Assuming isotropic emission, a maximum energy efficiency (Η of ~ 90 Im per watt) is achieved, where Η is the ratio of visible emission to power delivered to the matching network.Citation
Journal of Applied Physics
Volume
86
Pub Type
Journals
Keywords
lighting, magnesium hydride
Citation
Issues
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Created November 1, 1999, Updated February 17, 2017