Miniature High-Temperature Fiber Bragg Grating Sensor Design Based on U-Shaped Lossless Taper for Thermal Mapping Applications

Miniature High-Temperature Fiber Bragg Grating Sensor Design Based on U-Shaped Lossless Taper for Thermal Mapping Applications

A novel design for a miniature fiber Bragg grating-based temperature probe is presented. The sensor integrates a u-shaped lossless taper thus offering the advantages of a terminal temperature probe free from of strain cross-sensitivity and showing installation flexibility while enabling effective se...

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Veröffentlicht in:IEEE photonics technology letters 2010-06, Vol.22 (11), p.811-813
Hauptverfasser: Viegas, Diana, Abad, Silvia, Santos, José Luís, Ferreira, Luis Alberto, Araújo, Francisco Manuel Moita
Format: Artikel
Sprache:eng
Schlagworte:
Bragg gratings
Capacitive sensors
Electromagnetic interference
Fiber Bragg grating (FBG)
Fiber gratings
lossless taper
Optical fiber cables
Optical fiber sensors
Probes
Temperature dependence
temperature probe
Temperature sensors
Thermal sensors
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Beschreibung
Zusammenfassung:A novel design for a miniature fiber Bragg grating-based temperature probe is presented. The sensor integrates a u-shaped lossless taper thus offering the advantages of a terminal temperature probe free from of strain cross-sensitivity and showing installation flexibility while enabling effective serial multiplexing. The experimental validation of the probe design is reported, being demonstrated lossless operation and effective elimination of strain cross-sensitivity up to 400°C.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2010.2046159