Strain measurement of the steel beam with the distributed Brillouin scattering sensor

Xiaoyi Bao; Michael D. DeMerchant; Anthony W. Brown; T. Brenner

doi:10.1117/12.435597

3 August 2001 Strain measurement of the steel beam with the distributed Brillouin scattering sensor

Xiaoyi Bao, Michael D. DeMerchant, Anthony W. Brown, T. Brenner

Proceedings Volume 4337, Health Monitoring and Management of Civil Infrastructure Systems; (2001) https://doi.org/10.1117/12.435597
Event: 6th Annual International Symposium on NDE for Health Monitoring and Diagnostics, 2001, Newport Beach, CA, United States

Abstract

This paper has demonstrated the structural strain measurement of the steel beam with the distributed fiber optical sensor system based on Brillouin scattering. The experiments were conducted both in the lab and in outdoor conditions. When it is in outdoor environment, the temperature compensation must be taken into account for the sunlight radiation effects. The compressive strain can be measured without need of the pre-tension on the fiber. The spatial resolution of the strain measurement is 0.5 m. The strain measurement accuracy is 10 (mu) (epsilon) for the lab environment.

Citation Download Citation

Xiaoyi Bao, Michael D. DeMerchant, Anthony W. Brown, and T. Brenner "Strain measurement of the steel beam with the distributed Brillouin scattering sensor", Proc. SPIE 4337, Health Monitoring and Management of Civil Infrastructure Systems, (3 August 2001); https://doi.org/10.1117/12.435597

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