1. Compact optical fiber sensor smart node
- Author
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Richard H. Selfridge, Daniel R. Wilding, Jason A. Newman, Stephen M. Schultz, and Seth W. Lloyd
- Subjects
Embedded instrumentation ,Optical fiber ,business.industry ,Computer science ,Electrical engineering ,Physics::Optics ,Biosensing Techniques ,Multiplexing ,law.invention ,Intelligent sensor ,Fiber Bragg grating ,Fiber optic sensor ,law ,Broadband ,Fiber optic splitter ,Fiber Optic Technology ,Humans ,Optoelectronics ,business ,Instrumentation ,Optical Fibers ,Monitoring, Physiologic - 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.
- Published
- 2007
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