Simultaneous measurement of temperature and strain by using photonic crystal fiber long period grating

J. Sun; C. C. Chan; X. Y. Dong; N. Ni

doi:10.1117/12.630276

5 November 2005 Simultaneous measurement of temperature and strain by using photonic crystal fiber long period grating

J. Sun, C. C. Chan, X. Y. Dong, N. Ni

Proceedings Volume 5998, Sensors for Harsh Environments II; 59980M (2005) https://doi.org/10.1117/12.630276
Event: Optics East 2005, 2005, Boston, MA, United States

Abstract

A general analysis of an inserted LPG in air-clad PCF for temperature and strain measurement is presented. The temperature and strain can be detected simultaneously by matrix inversion. The maximum temperature errors are 3^oC and 0.8^oC in the temperature ranges from 35^oC to 50^oC and 90^oC to 120oC, respectively. The corresponding maximum strain errors are 250με and 135με in the strain range from 0 to 3000με respectively.

Citation Download Citation

J. Sun, C. C. Chan, X. Y. Dong, and N. Ni "Simultaneous measurement of temperature and strain by using photonic crystal fiber long period grating", Proc. SPIE 5998, Sensors for Harsh Environments II, 59980M (5 November 2005); https://doi.org/10.1117/12.630276

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