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Proceedings Paper

Diagnostic technique for electrical power equipment using fluorescent fiber
Author(s): Kiyoshi Kurosawa; Takeshi Sawa; Hisashi Sawada; Akira Tanaka; Noboru Wakatsuki
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Paper Abstract

We studied a fiberoptic electrical sensor to detect electrical discharge light in a gas insulated system using a plastic optical fiber doped with an organic fluorescent compound which can absorb and emit light. We measured the spectrum of SFs gas by spectroscope using needle electrodes in a sealed glass tube. The spectrum is bluish and dis continuous and in the range of about 330 nm to 600 nm. The wavelength corresponding to the maximum emitted optical strength is 429 nm. The spectrum does not change when the electrode gap and the gas pressure are varied. Fiber doped with fluorescence which is the most useful for sensing the discharge light in SFs gas has been developed. The conversion efficiency was determined using monochromatic light produced by a xenon lamp with color filters. The conversion efficiency of the improved fiber doped with BBOT is on the order of 0. 01 for incident light of 406 nm.

Paper Details

Date Published: 1 March 1991
PDF: 7 pages
Proc. SPIE 1368, Chemical, Biochemical, and Environmental Fiber Sensors II, (1 March 1991); doi: 10.1117/12.24784
Show Author Affiliations
Kiyoshi Kurosawa, Tokyo Electric Power Co. (Japan)
Takeshi Sawa, Tokyo Electric Power Co. (Japan)
Hisashi Sawada, Fujitsu Ltd. (Japan)
Akira Tanaka, Fujitsu Ltd. (Japan)
Noboru Wakatsuki, Fujitsu Ltd. (Japan)


Published in SPIE Proceedings Vol. 1368:
Chemical, Biochemical, and Environmental Fiber Sensors II
Robert A. Lieberman; Marek T. Wlodarczyk, Editor(s)

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