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Journal Article

Nonlinear fiber-optic strain sensor based on four-wave mixing in microstructured optical fiber

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Frosz,  Michael H.
Russell Division, Max Planck Institute for the Science of Light, Max Planck Society;
Fibre Fabrication and Glass Studio, Technology Development and Service Units, Max Planck Institute for the Science of Light, Max Planck Society;

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Citation

Gu, B., Yuan, W., Frosz, M. H., Zhang, A. P., He, S., & Bang, O. (2012). Nonlinear fiber-optic strain sensor based on four-wave mixing in microstructured optical fiber. OPTICS LETTERS, 37(5), 794-796.


Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-68EB-6
Abstract
We demonstrate a nonlinear fiber-optic strain sensor, which uses the shifts of four-wave mixing Stokes and anti-Stokes peaks caused by the strain-induced changes in the structure and refractive index of a microstructured optical fiber. The sensor thus uses the inherent nonlinearity of the fiber and does not require any advanced post-processing of the fiber. Strain sensitivity of -0.23 pm/mu epsilon is achieved experimentally and numerical simulations reveal that for the present fiber the sensitivity can be increased to -4.46 pm/mu epsilon by optimizing the pump wavelength and power. (C) 2012 Optical Society of America