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Proceedings Paper

Fiber optic high temperature sensing based on whispering gallery mode resonance
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Paper Abstract

We propose a new mechanism for fiber optic high temperature sensing based on whispering gallery mode resonance in bent optical fibers. Due to the strong whispering gallery mode resonance in cladding-thinned bent optical fibers, long-period grating-like deep spectral peaks are formed in the wavelength domain. The wavelength shift of the resonance peaks as a function of temperature is investigated. It is demonstrated that the single loop of bend ring in the fibers can be used as a transducer for high temperature sensing without any internal structure.

Paper Details

Date Published: 8 September 2005
PDF: 10 pages
Proc. SPIE 5911, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications XI, 59110W (8 September 2005); doi: 10.1117/12.613063
Show Author Affiliations
Sung Hyun Nam, The Pennsylvania State Univ. (United States)
Shizhuo Yin, The Pennsylvania State Univ. (United States)
Karl M. Reichard, Applied Research Lab. (United States)
Kung-Li Deng, GE Global Research (United States)


Published in SPIE Proceedings Vol. 5911:
Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications XI
Francis T. S. Yu; Ruyan Guo; Shizhuo Yin, Editor(s)

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