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Center Innovation Fund: AFRC CIF

Structural Health Monitoring utilizing an Automated Optical Fiber Switching Network

Active Technology Project

Project Introduction

Structural Health Monitoring utilizing an Automated Optical Fiber Switching Network
To incorporate the (1x24) optical switches into the FOSS unit architecture, research will be conducted into establishing communication and synchronization between the optical switches, peripheral sensors and accompanying data acquisition system, sweeping laser and the data management system. The optical switches will cycle through sensing fibers periodically until an event is triggered. The use of peripheral sensors will provide feedback to the optical switches to intelligently interrogate sensing fibers of interest temporarily, then resume periodic switching. The use of optical switches will also allow for a redundant interrogation path by allowing interrogation from two ends of a sensing fiber. In the event where a sensing fiber is damaged, the fiber could be examined from two ends to recover data that may otherwise have been lost. Redundancy may be critical for certain research vehicles, and is currently unobtainable with the current system architecture. More »

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