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Proceedings Paper

Temperature measurements in a fiber optic interferometric multichannel automated instrumentation system
Author(s): Horacio Lamela; Jose Antonio Garcia Souto; Antonio J. Varo; Jose I. Santos
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Paper Abstract

In this paper we present the results of an automated instrumentation system that we have designed for temperature gradient characterization in composite materials using the optical fibers embedded in it to construct a multichannel interferometer. The objective is to develop a specific automated measurement system that is able to interrogate different interferometric channels and electronic sensors at the same time. It is also of main concern the study of the interferometric signal processing and the disturbance analysis of such technique applied to this multichannel approach. Synchronous differential optical phase measurements have been used for both characterizations of common phase errors and spatial temperature gradient. Details of the performance, the system design and the experimental results obtained are given.

Paper Details

Date Published: 31 May 1999
PDF: 8 pages
Proc. SPIE 3670, Smart Structures and Materials 1999: Sensory Phenomena and Measurement Instrumentation for Smart Structures and Materials, (31 May 1999); doi: 10.1117/12.349764
Show Author Affiliations
Horacio Lamela, Univ. Carlos III de Madrid (Spain)
Jose Antonio Garcia Souto, Univ. Carlos III de Madrid (Spain)
Antonio J. Varo, Univ. Carlos III de Madrid (Spain)
Jose I. Santos, Univ. Carlos III de Madrid (Spain)


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 Jr., Editor(s)

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