A new model to calculate the Rayleigh scattering profiles in polymer optical fibers for distributed strain sensing

Philipp Lenke; Katerina Krebber

doi:10.1117/12.835361

5 October 2009 A new model to calculate the Rayleigh scattering profiles in polymer optical fibers for distributed strain sensing

Philipp Lenke, Katerina Krebber

Author Affiliations +

Proceedings Volume 7503, 20th International Conference on Optical Fibre Sensors; 75036I (2009) https://doi.org/10.1117/12.835361
Event: 20th International Conference on Optical Fibre Sensors, 2009, Edinburgh, United Kingdom

Abstract

This paper presents new methods to calculate and interpret Rayleigh scattering profiles in polymer optical fibers (POF) recorded by optical time domain reflectometry (OTDR). In contrast to Silica glass optical fibers (GOF), POF experience inhomogeneous stress when being strained, resulting in small scattering centers which allow for a new distributed sensor based on POF. New methods to overcome issues like blurring due to modal dispersion, uncertainties due to inhomogenious losses in the fiber and signal degradation due to viscoelastic creep in the polymer, are presented, for the first time to our knowledge.

Citation Download Citation

Philipp Lenke and Katerina Krebber "A new model to calculate the Rayleigh scattering profiles in polymer optical fibers for distributed strain sensing", Proc. SPIE 7503, 20th International Conference on Optical Fibre Sensors, 75036I (5 October 2009); https://doi.org/10.1117/12.835361

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