Compensation of temperature and strain coefficients due to local birefringence using optical frequency domain reflectometry
作者： Wenhai Li , Liang Chen , Xiaoyi Bao
DOI: 10.1016/J.OPTCOM.2013.08.022
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摘要: Abstract We demonstrate a high precision simultaneous temperature and strain measurement by means of polarization sensitive optical frequency domain reflectometry (OFDR). In the measurement, birefringence maintaining (PM) fiber was used as sensor. It confirmed that thermal coefficients in PM were position-dependent parameters, which can be to compensate errors measurement. High accuracy within 0.8 °C 7 μe achieved with spatial resolution 6.5 mm over 170 m this report.
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