title: Compact optical fiber sensor smart node.
abstract: We present a new optical fiber sensor interrogator specifically designed for an embedded instrumentation system. The proposed system consists of a super luminescent diode as a broadband source, a high speed tunable micro-electro-mechanical system (MEMS) filter, photodetector, and an integrated microprocessor for data aggregation, processing, and communication. The entire system is integrated together in a compact package to create a fiber "smart" sensor. The system is capable of interrogating a variety of multiplexed fiber sensors, processing the data, and communicating the results digitally. As an example, the system has been calibrated with an array of fiber Bragg grating sensors.
authors.affiliation: Department of Electrical and Computer Engineering, Brigham Young University, 464 CB, Provo, UT 84602, USA.
authors.forename: Seth W
authors.initials: SW
authors.lastname: Lloyd
authors.forename: Jason A
authors.initials: JA
authors.lastname: Newman
authors.forename: Daniel R
authors.initials: DR
authors.lastname: Wilding
authors.forename: Richard H
authors.initials: RH
authors.lastname: Selfridge
authors.forename: Stephen M
authors.initials: SM
authors.lastname: Schultz
mesh_terms: D015374:Biosensing Techniques / Q000295:instrumentation*; D005336:Fiber Optic Technology / Q000295:instrumentation*; D006801:Humans; D008991:Monitoring, Physiologic / Q000295:instrumentation*; D055100:Optical Fibers