A core-offset hetero structured optical fiber based surface plasmon resonance sensor

Chuanxin Teng; Maosen Li; Youwei Wang; Peng Shao

doi:10.1117/12.2604689

1 November 2021 A core-offset hetero structured optical fiber based surface plasmon resonance sensor

Chuanxin Teng, Maosen Li, Youwei Wang, Peng Shao

Proceedings Volume 12057, Twelfth International Conference on Information Optics and Photonics; 1205717 (2021) https://doi.org/10.1117/12.2604689
Event: Twelfth International Conference on Information Optics and Photonics, 2021, Xi'an, China

Abstract

A core-offset hetero structured optical fiber was fabricated and proposed for surface plasmon resonance (SPR) sensor. The hetero structure was constituted by a multimode fiber (MMF), core-offset single mode fiber (SMF), and MMF, which are spliced together by a fusion splicer. The effect of the size of core-offset on the RI sensing performance was studied experimentally. The results show that compared with the traditional MMF-SMF-MMF structure, the sensitivity of the proposed structure can be improved, and the highest sensitivity can reach to 6760.17 nm/RIU when the core-offset is 9 μm. The sensor is easy to fabricate, simple structure.

Citation Download Citation

Chuanxin Teng, Maosen Li, Youwei Wang, and Peng Shao "A core-offset hetero structured optical fiber based surface plasmon resonance sensor", Proc. SPIE 12057, Twelfth International Conference on Information Optics and Photonics, 1205717 (1 November 2021); https://doi.org/10.1117/12.2604689

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