利用钛酸钡增强基于波长询问的光纤表面等离子体共振传感器对血红蛋白浓度的灵敏度

IF 0.7 4区物理与天体物理 Q4 OPTICS

Optica Applicata Pub Date : 2023-01-01 DOI:10.37190/oa230201

Zhen-Jiang Shi, Shi-Liang Guo, Xin Li, Zhi-Quan Li, Shu-Han Meng, Chong-Zhen Li

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引用次数: 0

摘要

本文通过理论仿真研究了基于波长询问的光纤表面等离子体共振血红蛋白(Hb)浓度传感器的性能。提出的配置包括光纤，70纳米银，18纳米钛酸钡(BaTiO3)和2纳米氧化锌。仿真结果表明，该传感器折射率灵敏度为4023 nm/RIU，浓度灵敏度为10.0873 nm/(g·dL)， Hb浓度变化范围为0 ~ 14 g/dL。本文重点研究了BaTiO3对350 ~ 1000 nm波长传感器性能的影响。对比分析表明，在传感层之间夹入18 nm的BaTiO3不仅使浓度灵敏度提高了30.14%，而且使传感器的非线性误差从0.68%降低到0.63%。在波长精度为0.1 nm的情况下，该传感器可提供0.0099 g/dL的Hb浓度检测分辨率。

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Sensitivity enhancement of a wavelength interrogation-based optical fiber surface plasmon resonance sensor for hemoglobin concentration using barium titanate

In this paper, the performances of a wavelength interrogation-based optical fiber surface plasmon resonance sensor for hemoglobin (Hb) concentration is investigated by theoretical simulation. The proposed configuration incorporates optical fiber, 70 nm silver, 18 nm barium titanate (BaTiO3), and 2 nm zinc oxide. Simulation results show the sensor exhibits refractive index sensitivity of 4023 nm/RIU and concentration sensitivity of 10.0873 nm/(g·dL), along with Hb concentration varying from 0 to 14 g/dL. This paper especially focuses on the influence of BaTiO3 on the performances of the proposed sensor with light wavelength ranging from 350 to 1000 nm. Comparison analysis indicates sandwiching 18 nm BaTiO3 between sensing layers not only enhances the concentration sensitivity by 30.14% but also decreases the nonlinear error of the sensor from 0.68% to 0.63%. For a wavelength accuracy of 0.1 nm, the proposed sensor can provide a resolution of 0.0099 g/dL for Hb concentration detection.

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来源期刊

Optica Applicata 物理-光学

CiteScore

1.00

自引率

16.70%

发文量

审稿时长

4 months

期刊介绍： Acoustooptics, atmospheric and ocean optics, atomic and molecular optics, coherence and statistical optics, biooptics, colorimetry, diffraction and gratings, ellipsometry and polarimetry, fiber optics and optical communication, Fourier optics, holography, integrated optics, lasers and their applications, light detectors, light and electron beams, light sources, liquid crystals, medical optics, metamaterials, microoptics, nonlinear optics, optical and electron microscopy, optical computing, optical design and fabrication, optical imaging, optical instrumentation, optical materials, optical measurements, optical modulation, optical properties of solids and thin films, optical sensing, optical systems and their elements, optical trapping, optometry, photoelasticity, photonic crystals, photonic crystal fibers, photonic devices, physical optics, quantum optics, slow and fast light, spectroscopy, storage and processing of optical information, ultrafast optics.