Diagnostic technique for electrical power equipment using fluorescent fiber

Kiyoshi Kurosawa; Takeshi Sawa; Hisashi Sawada; Akira Tanaka; Noboru Wakatsuki

doi:10.1117/12.24784

1 March 1991 Diagnostic technique for electrical power equipment using fluorescent fiber

Kiyoshi Kurosawa, Takeshi Sawa, Hisashi Sawada, Akira Tanaka, Noboru Wakatsuki

Proceedings Volume 1368, Chemical, Biochemical, and Environmental Fiber Sensors II; (1991) https://doi.org/10.1117/12.24784
Event: SPIE Microelectronic Interconnect and Integrated Processing Symposium, 1990, San Jose, United States

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.

Citation Download Citation

Kiyoshi Kurosawa, Takeshi Sawa, Hisashi Sawada, Akira Tanaka, and Noboru Wakatsuki "Diagnostic technique for electrical power equipment using fluorescent fiber", Proc. SPIE 1368, Chemical, Biochemical, and Environmental Fiber Sensors II, (1 March 1991); https://doi.org/10.1117/12.24784

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