Vernier-effect polymer Fabry-Perot sensing system based on two-photon polymerization 3D printing for high-sensitivity temperature and salinity sensing

IF 4.9 2区化学 Q2 CHEMISTRY, PHYSICAL Colloids and Surfaces A: Physicochemical and Engineering Aspects Pub Date : 2025-03-07 DOI:10.1016/j.colsurfa.2025.136576

Mao-Qing Chen , Yi-Yang He , Chi Zhang , Yun Peng , Yong Zhao

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Abstract

In recent years, with the rapid development of sensor technology, the design and application of high-precision temperature and salinity sensors have become the forefront of sensor research, in order to effectively improve the sensitivity of sensors, based on the additive manufacturing process, the Fabry-Perot microcavity is fabricated in the fiber end face, and the sensor is designed based on the dual-beam interference principle. In this study, two polymer microcavities of similar sizes were innovatively used to achieve the optical vernier effect. Experimental results showed that the vernier effect increased the temperature sensitivity by about 23.9 times and the salinity sensitivity by about 15.9 times. The long-term stability of the interference spectrum, the salinity sensing capability of low temperature crosstalk, and the low-cost repeatable manufacturing process plan reflect the great potential of the proposed sensor for environmental detection applications.

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来源期刊

Colloids and Surfaces A: Physicochemical and Engineering Aspects 化学-物理化学

CiteScore

8.70

自引率

9.60%

发文量

2421

审稿时长

56 days

期刊介绍： Colloids and Surfaces A: Physicochemical and Engineering Aspects is an international journal devoted to the science underlying applications of colloids and interfacial phenomena. The journal aims at publishing high quality research papers featuring new materials or new insights into the role of colloid and interface science in (for example) food, energy, minerals processing, pharmaceuticals or the environment.