Highly sensitive current sensor based on an optical microfiber loop resonator incorporating low index polymer

Min-Seok Yoon; Young-Geun Han

doi:10.1117/12.2058663

2 June 2014 Highly sensitive current sensor based on an optical microfiber loop resonator incorporating low index polymer

Min-Seok Yoon, Young-Geun Han

Author Affiliations +

Proceedings Volume 9157, 23rd International Conference on Optical Fibre Sensors; 91570Q (2014) https://doi.org/10.1117/12.2058663
Event: OFS2014 23rd International Conference on Optical Fiber Sensors, 2014, Santander, Spain

Abstract

A highly sensitive current sensor based on an optical microfiber loop resonator (MLR) incorporating low index polymer is proposed and experimentally demonstrated. The microfiber with a waist diameter of 1 μm is wrapped around the nicrhrome wire with low index polymer coating and the optical MLR is realized. The use of the microfiber and low index polymer with high thermal property can effectively improve the current sensitivity of the proposed MLR-based sensing probe to be 437.9 pm/A², which is ~10 times higher than the previous result.

Citation Download Citation

Min-Seok Yoon and Young-Geun Han "Highly sensitive current sensor based on an optical microfiber loop resonator incorporating low index polymer", Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91570Q (2 June 2014); https://doi.org/10.1117/12.2058663

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