NASA NTRS · 19890051931
Intensity-based fibre-optic sensing system using contrast modulation of subcarrier interference pattern
Abstract
A novel technique to compensate for unwanted intensity losses in a fiber-optic sensing system is described. The technique involves a continuous sinusoidal modulation of the light source intensity at radio frequencies and an intensity sensor placed in an unbalanced interferometer. The system shows high sensitivity and stability.
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Adamovsky, G., Sherer, T. N., Maitland, D. J.. 1989-03-02. Intensity-based fibre-optic sensing system using contrast modulation of subcarrier interference pattern. https://ntrs.nasa.gov/citations/19890051931
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