Xu, M.G., Geiger, H. and Dakin, J.P.
Fibre grating pressure sensor with enhanced sensitivity using a glass-bubble housing
Electronics Letters, 32, (2), . (doi:10.1049/el:19960022).
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A fibre Bragg grating pressure sensor with enhanced sensitivity has been demonstrated, using a grating housed in a glass bubble. This configuration increases the pressure sensitivity and effectively reduces the thermal crosstalk by a factor of 4. A pressure resolution of 0.5% over a full measurement range of 14 MPa has been achieved. This concept could lead to a range of sensors using fibre gratings with mechanical amplifiers to enhance sensitivity.
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