Optical inclinometer based on fibre-taper-modal Michelson interferometer
2010
An inclinometer sensor based on optical fibre-taper-modal Michelson interferometer is demonstrated. The magnitude of
the tilt (bending angle of the fibre taper interferometer) is obtained by passive interferometric interrogation based on the
generation of two quadrature phase-shifted signals from two fibre Bragg gratings. Optical phase-to-rotation sensitivity of
1.13 rad/degree with a 14 mrad/√Hz resolution is achieved.
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