Abstract
Sensitivity enhancement in fiber interferometric sensors is achieved by connecting a balanced nonlinear Mach-Zehnder fiber interferometer (MZFI) to the sensing interferometer. Without changing the power of the source, the sensitivity is enhanced by a factor of nonlinear phase shift induced by the optical power in the nonlinear MZFI. The theory is also extended to remote fiber sensing systems.© (1992) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
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