Summary form only given. We have investigated the sensitivity of long-period fiber gratings used in curvature measuring fibre optic sensors and found a bend coefficient of 0.77 dB cm/mrad. In the current setup this corresponds to the ability of detecting curvatures with a radius up to approximately 200 m.
Sensitivity of a long-period optical fiber grating bend sensor
1998-01-01
243108 byte
Conference paper
Electronic Resource
English
Long-period grating fiber sensor with fiber Bragg grating demodulator [3330-31]
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