23 April 2010 Intrinsic Fabry-Pérot interferometric (IFPI) fiber pressure sensor
Author Affiliations +
Abstract
An optical fiber Single/Multi-/Single-mode Intrinsic Fabry-Pérot Interferometer (SMS-IFPI) pressure sensor has been demonstrated using a silica tube-based pressure transducer hermetically sealed by thermal fusion bonding. The sensor, made entirely of fused silica, contains an IFPI strain sensor enclosed by a CO2 laser-bonded outer tube. A sensor prototype is constructed and demonstrated for single point pressure sensing at high temperature (600°C), with temperature compensation achieved through co-location of an SMS-IFPI temperature sensor. The inline geometry and low transmission loss of the SMS-IFPI sensor makes it suitable for frequency division multiplexing (FDM) in a single fiber branch. In future work, we envision multiplexing of up to eight such IFPI pressure sensors along a single fiber branch for quasi-distributed pressure measurement.
© (2010) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Cheng Ma, Cheng Ma, Ning Wang, Ning Wang, Evan M. Lally, Evan M. Lally, Anbo Wang, Anbo Wang, } "Intrinsic Fabry-Pérot interferometric (IFPI) fiber pressure sensor", Proc. SPIE 7677, Fiber Optic Sensors and Applications VII, 76770T (23 April 2010); doi: 10.1117/12.851906; https://doi.org/10.1117/12.851906
PROCEEDINGS
9 PAGES


SHARE
Back to Top