A Hollow-Core Photonic Crystal Fiber Cavity Based Multiplexed Fabry-PÉrot Interferometric Strain Sensor System

A Hollow-Core Photonic Crystal Fiber Cavity Based Multiplexed Fabry-PÉrot Interferometric Strain Sensor System

A hollow-core photonic crystal fiber Fabry-Perot interferometric (HC-PCF-FPI) strain sensing system is proposed and demonstrated. The sensing system has an excellent multiplexing capability owing to the wide free-spectral range of the HC-PCF-FPI structure. Moreover, with a simple fast Fourier transf...

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Veröffentlicht in:IEEE photonics technology letters 2008-08, Vol.20 (15), p.1329-1331
Hauptverfasser: Shi, Qing, Wang, Zhi, Jin, Long, Li, Yuan, Zhang, Hao, Lu, Fuyun, Kai, Guiyun, Dong, Xiaoyi
Format: Artikel
Sprache:eng
Schlagworte:
Capacitive sensors
Demodulation
Fabry-PÉrot interferometric (FPI)
hollow-core photonic crystal fiber (HC-PCF)
multiplexing technology
Optical coupling
Optical fiber sensors
Optical interferometry
Optical sensors
Optical signal processing
Photonic crystal fibers
Probes
Sensor systems
strain sensing system
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Zusammenfassung:A hollow-core photonic crystal fiber Fabry-Perot interferometric (HC-PCF-FPI) strain sensing system is proposed and demonstrated. The sensing system has an excellent multiplexing capability owing to the wide free-spectral range of the HC-PCF-FPI structure. Moreover, with a simple fast Fourier transform demodulation method, the proposed strain sensing system could be potentially applied in structural health monitoring.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2008.926948