Sensing schemes using optical low coherence interferometry can offer advantages over the more conventional long coherence length interferometric techniques. These advantages are discussed as well as various techniques for single and multiplexed sensing arrangements.
Wayne V. Sorin, Wayne V. Sorin,
"Fiber optic sensing using low-coherence interferometry", Proc. SPIE 2872, Second Pacific Northwest Fiber Optic Sensor Workshop, (5 August 1996); doi: 10.1117/12.245583; https://doi.org/10.1117/12.245583