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Proceedings Paper

Toward realization of a smart polarimetric sensor
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Paper Abstract

Studies of the effects of various parameters like pre-stress, input azimuth, fiber turns etc. on the polarimetric fiber optic sensing system for smart structure applications are presented. The presence of the smart structure modifies the output characteristics of the highly birefringent fiber due to elastic properties of the structure. Experimental procedures are repeated for Single Mode and the bow-tie HiBi fibers with different optical configurations. Both carbon fiber reinforced (CFRP) and glass fiber reinforced (GFRP) specimens are studied in detail. These experimental evaluation clearly point out that the sensitivity of such embedded polarimetric sensors are affected by the above mentioned parameters. Hence these parameters are optimized for making the smart sensing systems with specific objectives. Keeping the modulated signal at the optimum sensitivity range for the realization of a smart weighing machine and an efficient design of the sensor to increase its range of sensitivity by optimizing the parameters for defect detection in the composite laminates will be the topics of discussion in this paper.

Paper Details

Date Published: 31 May 1999
PDF: 11 pages
Proc. SPIE 3670, Smart Structures and Materials 1999: Sensory Phenomena and Measurement Instrumentation for Smart Structures and Materials, (31 May 1999); doi: 10.1117/12.349714
Show Author Affiliations
Vadakke Matham Murukeshan, Nanyang Technological Univ. (Singapore)
Peng-Yang Chan, Nanyang Technological Univ. (Singapore)
Lin Seng Ong, Nanyang Technological Univ. (Singapore)
Anand Krishna Asundi, Nanyang Technological Univ. (Singapore)


Published in SPIE Proceedings Vol. 3670:
Smart Structures and Materials 1999: Sensory Phenomena and Measurement Instrumentation for Smart Structures and Materials
Richard O. Claus; William B. Spillman, Editor(s)

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