Chinese Journal of Lasers, Volume. 29, Issue 12, 1085(2002)
Temperature Compensation Techniques for Fibre Bragg Gratings Tuned by Magnetostrictive Transducers
Two simple techniques for the compensation of the temperature effects in fiber Bragg gratings (FBGs) tuned by magnetostrictive transducers are demonstrated. The Bragg wavelengths were tuned by the magnetic field through the magnetostrictive transducer and two FBG′s are arranged in such a way that the magnetostrictive effects on the two gratings are added together, while the temperature effects are cancelled out. Using these techniques, it has been able to reduce the temperature sensitivity of the sensor by more than 10 times, the additional wavelength shift due to the temperature was only 0 11 nm within the range of 22℃~80℃.
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[in Chinese], [in Chinese], [in Chinese], [in Chinese]. Temperature Compensation Techniques for Fibre Bragg Gratings Tuned by Magnetostrictive Transducers[J]. Chinese Journal of Lasers, 2002, 29(12): 1085