NSGA II Calculated Surface Plasmon Resonance-Based Temperature Sensor

IF 4.3 4区物理与天体物理 Q2 CHEMISTRY, PHYSICAL

Plasmonics Pub Date : 2025-03-07 DOI:10.1007/s11468-025-02859-y

Chunfeng Shen, Yan Guo, Jingcheng Zhang, Kaihua Wu

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引用次数: 0

Abstract

Surface plasmon resonance (SPR) sensors are gaining increasing attention in the field of temperature sensing. To achieve a high-performance SPR sensing structure more comprehensively and efficiently, this paper introduces the non-dominated sorting genetic algorithm II (NSGA II) algorithm into the optimization process of SPR sensing structures and the concept of an equivalent grating, where a BaTiO₃ grating is equivalently substituted by a thin film to further enhance sensing accuracy. Based on the temperature-sensitive material polydimethylsiloxane (PDMS), and through the incorporation of two-dimensional (2D) materials to modify the structural composition and thickness, an optimal quality temperature sensor is obtained. When illuminated with monochromatic light at 632.8 nm, the BaTiO₃(grating)-Ag-WS₂-BP-PDMS structure achieves a sensitivity of − 0.114°/K within the temperature range of 310–360 K. Fixing the incident angle at 75° and using monochromatic light with wavelengths ranging from 532 to 780 nm, the Ag-Graphene-PDMS structure reaches a sensitivity of − 1.35 nm/K within the same temperature range. The proposed sensors maintain high linearity while exhibiting excellent sensitivity and figure of merit.

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基于计算表面等离子体共振的温度传感器

表面等离子体共振（SPR）传感器在温度传感领域受到越来越多的关注。为了更全面、高效地实现高性能SPR传感结构，本文将非支配排序遗传算法II （NSGA II）算法引入到SPR传感结构的优化过程中，并引入等效光栅的概念，将BaTiO3光栅等效替换为薄膜，进一步提高传感精度。以温度敏感材料聚二甲基硅氧烷（PDMS）为基础，通过加入二维（2D）材料对其结构组成和厚度进行修改，获得了质量最优的温度传感器。在632.8 nm单色光照射下，BaTiO₃（光栅）-Ag-WS₂-BP-PDMS结构在310-360 K温度范围内的灵敏度为- 0.114°/K。将入射角度固定为75°，使用波长为532 ~ 780 nm的单色光，在相同温度范围内，ag -石墨烯- pdms结构的灵敏度为- 1.35 nm/K。所提出的传感器在保持高线性度的同时，表现出优异的灵敏度和优值。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Plasmonics 工程技术-材料科学：综合

CiteScore

5.90

自引率

6.70%

发文量

164

审稿时长

2.1 months

期刊介绍： Plasmonics is an international forum for the publication of peer-reviewed leading-edge original articles that both advance and report our knowledge base and practice of the interactions of free-metal electrons, Plasmons. Topics covered include notable advances in the theory, Physics, and applications of surface plasmons in metals, to the rapidly emerging areas of nanotechnology, biophotonics, sensing, biochemistry and medicine. Topics, including the theory, synthesis and optical properties of noble metal nanostructures, patterned surfaces or materials, continuous or grated surfaces, devices, or wires for their multifarious applications are particularly welcome. Typical applications might include but are not limited to, surface enhanced spectroscopic properties, such as Raman scattering or fluorescence, as well developments in techniques such as surface plasmon resonance and near-field scanning optical microscopy.