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Title: Simultaneous temperature and refractive index measurements using a 3°slanted multimode fiber Bragg grating
Authors: Zhao, Chun-liu
Yang, Xiufeng
Demokan, Suleyman
Jin, Wei
Subjects: Multimode fiber Bragg grating
Simultaneous temperature and refractive index measurement
Issue Date: Feb-2006
Publisher: IEEE
Source: Journal of lightwave technology, Feb. 2006, v. 24, no. 2, p. 879-883.
Abstract: A novel and simple sensor based on a 3°slanted multimode fiber Bragg grating (MFBG) for simultaneous temperature and refractive index measurement is demonstrated. The 3°slanted MFBG shows two wavelength groups in its transmission spectrum: One group, due to the coupling from one core mode to cladding modes, is sensitive to both surrounding refractive index (SRI) and temperature and the other, due to the coupling from one core mode to other core modes is sensitive only to temperature. Utilizing the obvious difference of two transmission dips in different wavelength groups on the temperature and the refractive index, two parameters can be distinguished and measured simultaneously using one slanted MFBG.
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Type: Journal/Magazine Article
DOI: 10.1109/JLT.2005.862471
ISSN: 0733-8724
Appears in Collections:EE Journal/Magazine Articles

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