Simultaneously two‐parameter measurement using tilted fiber grating and long period fiber grating

Simultaneously two‐parameter measurement using tilted fiber grating and long period fiber grating

ABSTRACT We proposed and demonstrated a complex sensor, which combined a tilted fiber Bragg grating and a long period fiber grating. We used this sensor to measure the surrounding refractive index and temperature of an unknown liquid. The measured range of the temperature and environmental refractiv...

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Veröffentlicht in:Microwave and optical technology letters 2017-05, Vol.59 (5), p.1122-1125
Hauptverfasser: Yu, Yi‐Lin, Hung, Hzu‐Hsuan, Liaw, Shien‐Kuei, Shih, Min‐Hsiung, Kishikawa, Hiroki, Goto, Nobuo
Format: Artikel
Sprache:eng
Schlagworte:
fiber Bragg grating
fiber sensing
liquid
sensor head
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Zusammenfassung:ABSTRACT We proposed and demonstrated a complex sensor, which combined a tilted fiber Bragg grating and a long period fiber grating. We used this sensor to measure the surrounding refractive index and temperature of an unknown liquid. The measured range of the temperature and environmental refractive index were 30–70°CC and 1.33–1.4, respectively. The measured results have linearly trend with high sensitivity. © 2017 Wiley Periodicals, Inc. Microwave Opt Technol Lett 59:1122–1125, 2017
ISSN:0895-2477
1098-2760
DOI:10.1002/mop.30479