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Proceedings Paper

Hole drilling on glass optical fibers by a femtosecond laser
Author(s): Masayuki Hamasaki; Kenji Gouya; Kazuhiro Watanabe
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Paper Abstract

A novel optical fiber sensor has been developed for gaseous material detection by means of a femto-second laser which has ultrashort pulse and ultrahigh peak power. This sensor has attractive sensor potion consisted of drilling holes array which is machined on the glass optical fiber. Additionally, the sensor potion is coated with thin gold film. This work expects that an interaction could be induced between transmitted light through fiber core and a bottom of the drilled holes which reaches the fiber core. The interaction could induce near-field optical phenomenon excited by transmitted light through the fiber core. This scheme could make it possible to detect gaseous-material phase substances around the optical fiber. In this study, we found that localized surface plasmon (LSP) was excited by the transmitted light through the fiber core. This paper shows experiment to obtain optimum irradiation conditions and investigation for sensor principle for the development of a novel fiber sensor.

Paper Details

Date Published: 30 January 2013
PDF: 6 pages
Proc. SPIE 8677, XIX International Symposium on High-Power Laser Systems and Applications 2012, 86771S (30 January 2013); doi: 10.1117/12.2010521
Show Author Affiliations
Masayuki Hamasaki, Soka Univ. (Japan)
Kenji Gouya, Soka Univ. (Japan)
Kazuhiro Watanabe, Soka Univ. (Japan)


Published in SPIE Proceedings Vol. 8677:
XIX International Symposium on High-Power Laser Systems and Applications 2012
Kerim R. Allakhverdiev, Editor(s)

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