Highly sensitive fiber optic Fabry-Perot geophone with graphene coated PMMA membrane

C. B. Yu; Y. Wu; F. Wu; C. Li; J. H. Zhou; Y. J. Rao; Y. F. Chen

doi:10.1117/12.2265299

23 April 2017 Highly sensitive fiber optic Fabry-Perot geophone with graphene coated PMMA membrane

C. B. Yu, Y. Wu, F. Wu, C. Li, J. H. Zhou, Y. J. Rao, Y. F. Chen

Proceedings Volume 10323, 25th International Conference on Optical Fiber Sensors; 103233O (2017) https://doi.org/10.1117/12.2265299
Event: 25th International Conference on Optical Fiber Sensors, 2017, Jeju, Korea, Republic of

Abstract

A highly sensitive fiber-optic Fabry-Perot interferometric geophone (FFPG) with graphene coated PMMA membrane is proposed and demonstrated, where the graphene coating is used for enhancement of the mechanical strength of the membrane. It is found that the sensitivity of the FFPG is much higher than that of the conventional electrical geophone. Such a novel all-optical geophone with low cost, high sensitivity, electromagnetic interference immunity, easy fabrication and robust structure would have great potential for use in oil/gas exploration and seismic wave detection.

Citation Download Citation

C. B. Yu, Y. Wu, F. Wu, C. Li, J. H. Zhou, Y. J. Rao, and Y. F. Chen "Highly sensitive fiber optic Fabry-Perot geophone with graphene coated PMMA membrane", Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 103233O (23 April 2017); https://doi.org/10.1117/12.2265299

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