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10 April 2007 Miniature fiber Bragg grating sensor interrogator (FBG-Transceiver) system
Edgar A. Mendoza, Cornelia Kempen, Craig Lopatin
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Proceedings Volume 6529, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2007; 652921 (2007) https://doi.org/10.1117/12.722076
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2007, San Diego, California, United States
Abstract
This paper describes recent progress conducted towards the development of a miniature fiber Bragg grating sensor interrogator (FBG-TransceiverTM) system based on multi-channel integrated optic sensor (InOSenseTM) microchip technology. The hybrid InOSenseTM microchip technology enables the integration of all of the functionalities, both passive and active, of conventional bench top FBG sensor interrogator systems, packaged in a miniaturized, low power operation, 2-cm x 5-cm package suitable for the long-term structural health monitoring in applications where size, weight, and power are critical for operation. The FBG-Transceiver system uses active optoelectronic components monolithically integrated to the InOSenseTM microchip, a microprocessor controlled signal processing electronics board capable of processing the FBG sensors signals related to stress-strain and temperature as well as vibration and acoustics. The FBG-TransceiverTM system represents a new, reliable, highly robust technology that can be used to accurately monitor the status of an array of distributed fiber optic Bragg grating sensors installed in critical infrastructures. Its miniature package, low power operation, and state-of-the-art data communications architecture, all at a very affordable price makes it a very attractive solution for a large number of SHM/NDI applications in aerospace, naval and maritime industry, civil structures like bridges, buildings and dams, the oil and chemical industry, and for homeland security applications. The miniature, cost-efficient FBG-TransceiverTM system is poised to revolutionize the field of structural health monitoring and nondestructive inspection market. The sponsor of this program is NAVAIR under a DOD SBIR contract.
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Edgar A. Mendoza, Cornelia Kempen, and Craig Lopatin "Miniature fiber Bragg grating sensor interrogator (FBG-Transceiver) system", Proc. SPIE 6529, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2007, 652921 (10 April 2007); https://doi.org/10.1117/12.722076
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KEYWORDS
Fiber Bragg gratings
Sensors
Wavelength division multiplexing
Signal processing
Transducers
Rockets
Fiber optics sensors
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