用于丙酮检测的锥形光纤传感器中 PCR 和 PLSR 的比较研究

IF 4.6 2区物理与天体物理 Q1 OPTICS

Optics and Laser Technology Pub Date : 2024-09-25 DOI:10.1016/j.optlastec.2024.111838

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引用次数: 0

摘要

多元分析技术和预测模型的使用为基于光纤的传感器提供了一种新的选择，因为它们在估计光纤传感器的响应特性和质量方面具有巨大潜力。这项工作的重点是比较和确定预测模型的准确性，如应用于锥形光纤传感器的多元投影到潜在结构回归（PLSR）和主成分回归（PCR）技术，以及用于丙酮检测的不同传感薄膜（如聚二甲基硅氧烷（PDMS）、聚甲基丙烯酸甲酯（PMMA）、Apiezon T（ApT）和 Apiezon L（ApL））的实验研究。丙酮是糖尿病的一种生物标志物，在糖尿病患者的呼气中浓度约为 1.8 ppm。结果表明，使用 PMMA 传感膜开发的传感器与使用相同组分数的 PCR 相比，在使用四个潜变量的 PLSR 时，检测限 (LOD) 提高到了 5.56 ppm。

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A comparative study between PCR and PLSR in a tapered optical fiber sensor for acetone detection

The use of multivariate analysis techniques and prediction models represents a novel alternative in sensors based on optical fibers, since they have a great potential to estimate the properties and quality of the response of optical fiber sensors. This work focuses on comparing and determining the accuracy of prediction models such as multivariate projection to latent structures regression (PLSR) and principal component regression (PCR) techniques applied to tapered optical fiber sensors as well as experimental studies of the different sensing films used, such as polydimethylsiloxane (PDMS), polymethyl methacrylate (PMMA), Apiezon T (ApT) and Apiezon L (ApL) for acetone detection. Acetone is a biomarker of diabetes mellitus which is found in concentrations in the order of 1.8 ppm in the human breath of diabetic patients. The results showed that the sensor developed with the PMMA sensor film improved the limit of detection (LOD) up to 5.56 ppm using PLSR with four latent variables compared to PCR using the same number of components.

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来源期刊

Optics and Laser Technology 物理-光学

CiteScore

8.50

自引率

10.00%

发文量

1060

审稿时长

3.4 months

期刊介绍： Optics & Laser Technology aims to provide a vehicle for the publication of a broad range of high quality research and review papers in those fields of scientific and engineering research appertaining to the development and application of the technology of optics and lasers. Papers describing original work in these areas are submitted to rigorous refereeing prior to acceptance for publication. The scope of Optics & Laser Technology encompasses, but is not restricted to, the following areas: •development in all types of lasers •developments in optoelectronic devices and photonics •developments in new photonics and optical concepts •developments in conventional optics, optical instruments and components •techniques of optical metrology, including interferometry and optical fibre sensors •LIDAR and other non-contact optical measurement techniques, including optical methods in heat and fluid flow •applications of lasers to materials processing, optical NDT display (including holography) and optical communication •research and development in the field of laser safety including studies of hazards resulting from the applications of lasers (laser safety, hazards of laser fume) •developments in optical computing and optical information processing •developments in new optical materials •developments in new optical characterization methods and techniques •developments in quantum optics •developments in light assisted micro and nanofabrication methods and techniques •developments in nanophotonics and biophotonics •developments in imaging processing and systems