KIEE International Transactions on Electrophysics and Applications

The Korean Institute of Electrical Engineers (대한전기학회)
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Emission Characteristics of Discharge Tube with Mixed Gases

  • Jo, Ju-Ung (Dept. of Electrical and Electronic Engineering, Wonkwang University) ;
  • Park, Yong-Sung (Dept. of Electronics Engineering, Changwon National University) ;
  • Lee, Jong-Chan (Erik Jonsson School of Engineering and Computer Science, UTD.) ;
  • Masaharu Aono (Dept. of Electrical and Electronic Engineering, Ehime University) ;
  • Park, Dae-Hee (Dept. of Electrical and Electronic Engineering, Wonkwang University)
  • Published : 2003.08.01
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Abstract

The positive column of a discharge tube filled with a mixture of mercury-xenon has a tendency to become contracted at room temperature. However, once the tube temperature is raised over 50 [$^{\circ}C$], the positive column changes from a contracted state to a diffused state. The xenon emission is stronger in the contracted positive column than in the diffused column. Alternatively, the mercury emission is more intense in the diffused positive column, and the luminance of the phosphor coating on the inner surface of the tube is higher than that in the contracted positive column. Moreover, higher luminance can be obtained by increasing the xenon pressure.

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References

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