Novel schemes of 3x3 star coupler based fiber-optic multiplexed sensor array

Libo Yuan; Jun Yang

doi:10.1117/12.623818

23 May 2005 Novel schemes of 3x3 star coupler based fiber-optic multiplexed sensor array

Libo Yuan, Jun Yang

Proceedings Volume 5855, 17th International Conference on Optical Fibre Sensors; (2005) https://doi.org/10.1117/12.623818
Event: 17th International Conference on Optical Fibre Sensors, 2005, Bruges, Belgium

Abstract

A Michelson based fiber optic low-coherence interferometric quasi-distributed sensing system permitting absolute length measurement in the sensors array is proposed. The main part of the sensing system is a fiber optic 3x3 star coupler. The architecture of the fiber optic sensors can be easy realized as a linear sensor array, twin sensor arrays or a loop sensor array. The proposed sensing scheme will be useful for the measurement of strain distribution. An important application could be deformation sensing in smart structures. Experimentally, a 6 sensors array has been demonstrated.

Citation Download Citation

Libo Yuan and Jun Yang "Novel schemes of 3x3 star coupler based fiber-optic multiplexed sensor array", Proc. SPIE 5855, 17th International Conference on Optical Fibre Sensors, (23 May 2005); https://doi.org/10.1117/12.623818

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