Simultaneous measurement of temperature and strain using dual long-period fiber gratings with controlled temperature and strain sensitivities.

Abstract

Unambiguous simultaneous measurement of strain and temperature based on dual long-period fiber gratings by controlling their thermal and strain sensitivities is proposed and experimentally demonstrated. The difference in the wavelength peak shift and the separation with the variation of strain and temperature allows discrimination between the strain and… (More)

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@article{Han2003SimultaneousMO, title={Simultaneous measurement of temperature and strain using dual long-period fiber gratings with controlled temperature and strain sensitivities.}, author={Young-Geun Han and Sang Min Lee and Chang-Seok Kim and Jin Young Kang and Youngjoo Chung and Un-Chul Paek}, journal={Optics express}, year={2003}, volume={11 5}, pages={476-81} }