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Applied Physics Letters / Volume 92 / Issue 2 / PLASMAS AND ELECTRICAL DISCHARGES

Appl. Phys. Lett. 92, 021502 (2008); http://dx.doi.org/10.1063/1.2832669 (3 pages)

Electron plasma wave propagation in external-electrode fluorescent lamps

Guangsup Cho1, Jung-Hyun Kim1, Jong-Mun Jeong1, Byoung-Hee Hong1, Je-Huan Koo1, Eun-Ha Choi1, John P. Verboncoeur2, and Han Sup Uhm3

1Department of Electrophysics, Kwangwoon University, 447-1 Wallgye-Dong, Nowon-Gu, Seoul 139-701, Republic of Korea
2Department of Nuclear Engineering, University of California, Berkeley, California 94720-1730, USA
3Department of Molecular Science and Technology, Ajou University, Suwon 443-749, Republic of Korea

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(Received 11 November 2007; accepted 12 December 2007; published online 15 January 2008)

The optical propagation observed along the positive column of external electrode fluorescent lamps is shown to be an electron plasma wave propagating with the electron thermal speed of (kTe/m)1/2. When the luminance of the lamp is 10 000–20 000 cd/m2, the electron plasma temperature and the plasma density in the positive column are determined to be kTe ∼ 1.26–2.12 eV and no ∼ (1.28–1.69)×1017 m−3, respectively.

© 2008 American Institute of Physics

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KEYWORDS and PACS

Keywords

fluorescent lamps, plasma density, plasma light propagation, plasma temperature, plasma waves, positive column

PACS

  • 52.40.Db

    Electromagnetic (nonlaser) radiation interactions with plasma

  • 52.25.Os

    Emission, absorption, and scattering of electromagnetic radiation

  • 52.35.-g

    Waves, oscillations, and instabilities in plasmas and intense beams

  • 52.80.-s

    Electric discharges

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.2832669

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

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