Multi-parameter sensing using fiber Bragg grating sensors

Chris S. Baldwin

doi:10.1117/12.630728

10 November 2005 Multi-parameter sensing using fiber Bragg grating sensors

Chris S. Baldwin

Proceedings Volume 6004, Fiber Optic Sensor Technology and Applications IV; 60040A (2005) https://doi.org/10.1117/12.630728
Event: Optics East 2005, 2005, Boston, MA, United States

Abstract

Many applications of fiber Bragg grating (FBG) sensors take advantage of the serial multiplexibility of these sensing devices, but the measurement application is typically restricted to a single measurand (e.g. strain). This paper discusses the use of FBG-based sensors employed as multi-parameter sensing elements where a single instrumentation system can be utilized to provide measurements of strain, temperature, pressure, acceleration, etc. FBG-based strain, temperature, and acceleration sensors are serially multiplexed to monitor a lathe cutting process. Issues regarding serial multiplexing, wavelength spacing, and sensor transducer design are discussed along with experimental examples of various sensor transducers. An experimental case of serially multiplexed acceleration, strain, and temperature sensors is shown to demonstrate the multi-parameter sensing capability of FBG sensors.

Citation Download Citation

Chris S. Baldwin "Multi-parameter sensing using fiber Bragg grating sensors", Proc. SPIE 6004, Fiber Optic Sensor Technology and Applications IV, 60040A (10 November 2005); https://doi.org/10.1117/12.630728

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