Research on the Influence of Substrate Surface Roughness on the Sensing Performance of Fiber Bragg Gratings.

Jiongyao Du, Yongxing Guo, Yongjian Gong, Chang Liu, Jian Lu

Abstract read

In one paragraph

Article in Sensors (Basel, Switzerland), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

5 authors.

Jiongyao DuKey Laboratory of Metallurgical Equipment and Control Technology, Ministry of Education, Wuhan University of Science and Technology, Wuhan 430081, China.ORCID 0009-0005-0110-1000

Yongxing GuoKey Laboratory of Metallurgical Equipment and Control Technology, Ministry of Education, Wuhan University of Science and Technology, Wuhan 430081, China.ORCID 0000-0003-4579-488X

Yongjian GongKey Laboratory of Metallurgical Equipment and Control Technology, Ministry of Education, Wuhan University of Science and Technology, Wuhan 430081, China.ORCID 0009-0009-7917-1702

Chang LiuKey Laboratory of Metallurgical Equipment and Control Technology, Ministry of Education, Wuhan University of Science and Technology, Wuhan 430081, China.ORCID 0009-0001-7889-5874

Jian LuKey Laboratory of Metallurgical Equipment and Control Technology, Ministry of Education, Wuhan University of Science and Technology, Wuhan 430081, China.ORCID 0009-0007-4147-7680

Funding

he National Natural Science Foundation of China under Grant 52775636Jinan Science and Technology Plan Project 202428003the Hubei Provincial Special Fund for Central-Guided Local S&T Development 2025CSA017

6 · The paper itself

Abstract

The packaging process of fiber Bragg gratings (FBGs) directly determines the strain transfer efficiency, chirp occurrence, and sensing performance of the sensors. At present, relevant theoretical and experimental studies on the surface roughness of packaging substrates remain scarce. In this paper, combined with the theoretical model of interfacial debonding driving force and the sensing mechanism of FBGs, the FBG sensing performance under different substrate surface roughness conditions was investigated. Experimental results show that an excessively high substrate surface roughness will induce FBG chirp when the external strain reaches 1.143 × 10

Indexed as

Fiber Bragg Gratingsensing characteristicssubstrate surface roughness

Identifiers

PMID41829592

DOI10.3390/s26051633

PMCPMC12987157

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