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Novel pressure sensor using a Hi‐Bi photonic crystal fiber FLM and ITS demodulation method
Author(s) -
Zhaom Yong,
Song Tingting,
Wang Qi
Publication year - 2012
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.26738
Subject(s) - demodulation , materials science , photonic crystal fiber , sensitivity (control systems) , birefringence , pressure sensor , wavelength , microwave , optoelectronics , optics , fiber optic sensor , fiber , electronic engineering , electrical engineering , telecommunications , engineering , physics , channel (broadcasting) , mechanical engineering , composite material
To eliminate the temperature influence on pressure sensor, high birefringence photonic crystal fiber is introduced to fiber loop mirror to sensing pressure.In the pressure 0∼1.5 Mpa range, pressure sensor with the sensitivity of 3.76 nm/Mpa is realized theoretically and experimental. Also, a novel demodulation method with the sensitivity of 6.67 dB/Mpa is proposed that changing the wavelength shift into power, which decreased the cost sharply. © 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 54:915–917, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26738
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