用于同时测量温度和折射率的聚合物低语通道模式传感器

IF 3.1 3区物理与天体物理 Q2 Engineering

Optik Pub Date : 2026-05-01 Epub Date: 2026-02-03 DOI:10.1016/j.ijleo.2026.172684

Huda Zain , Khurram Qureshi

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引用次数: 0

摘要

本文提出了一种用于同时测量折射率和温度的聚甲基丙烯酸甲酯（PMMA）窃窃廊模式（WGM）谐振器。该传感器采用单PMMA谐振腔与硅波导耦合，可实现多模态WGM谐振。研究了谐振腔模式的耦合间隙和耦合状态，以及它们的最小透射/消光比（ER）。热图条形码与相互关联分析相结合，可以深入了解传感器的单次测量性能。最后，将该传感器作为双分析物传感器进行了分析。两种模式的折射率灵敏度分别达到86 nm/RIU和60 nm/RIU。温度反应分别为0.131 nm/°C和0.122 nm/°C。特征矩阵显示了传感器同时进行温度和折射率传感的潜力。

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Polymer whispering gallery mode sensor for simultaneous measurements of temperature and refractive index

This work presents a Polymethyl Methacrylate (PMMA) whispering gallery mode (WGM) resonator for simultaneous measurements of refractive index and temperature. A single PMMA resonator coupled with a silica waveguide was used to build the sensor and offered multimodal WGM resonance. The coupling gaps and coupling states for the resonator’s modes, along with their minimum transmission/extinction ratios (ER), were investigated. Heatmap barcodes combined with cross-correlation analysis provided insights into the sensor’s performance for single measurands. Lastly, the sensor was analyzed as a dual-analyte sensor. The refractive index sensitivity reached 86 nm/RIU and 60 nm/RIU for the two modes. The temperature responses were 0.131 nm/

^{\circ}

C and 0.122 nm/

^{\circ}

C. The characteristic matrix demonstrates the sensor’s potential for simultaneous temperature and refractive index sensing.

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来源期刊

Optik 物理-光学

CiteScore

6.90

自引率

12.90%

发文量

1471

审稿时长

46 days

期刊介绍： Optik publishes articles on all subjects related to light and electron optics and offers a survey on the state of research and technical development within the following fields: Optics: -Optics design, geometrical and beam optics, wave optics- Optical and micro-optical components, diffractive optics, devices and systems- Photoelectric and optoelectronic devices- Optical properties of materials, nonlinear optics, wave propagation and transmission in homogeneous and inhomogeneous materials- Information optics, image formation and processing, holographic techniques, microscopes and spectrometer techniques, and image analysis- Optical testing and measuring techniques- Optical communication and computing- Physiological optics- As well as other related topics.