Optical sensors for temperature and strain measurement

W. Craig Michie; Brian Culshaw; Graham Thursby; Wei Jin; Maria Konstantaki

doi:10.1117/12.240855

30 May 1996 Optical sensors for temperature and strain measurement

W. Craig Michie, Brian Culshaw, Graham Thursby, Wei Jin, Maria Konstantaki

Proceedings Volume 2718, Smart Structures and Materials 1996: Smart Sensing, Processing, and Instrumentation; (1996) https://doi.org/10.1117/12.240855
Event: 1996 Symposium on Smart Structures and Materials, 1996, San Diego, CA, United States

Abstract

The measurement of quasi-static strain field using optical fibers presents a considerable challenge due to the inherent sensitivity of optical fibers to temperature. This paper summarizes recent work we have carried out on two approaches to this problem. Dual mode polarimetric measurements were investigated as a means of implementing distributed temperature measurements and radio frequency subcarrier sensors have been used to perform the same measurement on an integrated basis. These techniques are contrasted and assessed against other technologies such as Bragg gratings and dispersive Fourier transform spectroscopy on the basis of measurement capability, ease of implementation and technological maturity.

Citation Download Citation

W. Craig Michie, Brian Culshaw, Graham Thursby, Wei Jin, and Maria Konstantaki "Optical sensors for temperature and strain measurement", Proc. SPIE 2718, Smart Structures and Materials 1996: Smart Sensing, Processing, and Instrumentation, (30 May 1996); https://doi.org/10.1117/12.240855

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