利用量子级联激光器进行悬臂增强光声光谱分析的化学计量学方法

IF 1.4 4区物理与天体物理 Q4 PHYSICS, ATOMIC, MOLECULAR & CHEMICAL

Journal of Molecular Spectroscopy Pub Date : 2024-02-01 DOI:10.1016/j.jms.2024.111889

Jan Suchánek , Michal Dostál , Václav Nevrlý , Pavel Kubát , Hana Chaloupecká , Zdeněk Zelinger

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引用次数: 0

摘要

悬臂增强光声光谱法与波长调制光谱法相结合，用于气体的多组分分析。采用分布式反馈量子级联激光器作为激发光源，该激光器可在∼ 1045 - 1048 cm-1 区域进行调谐。主成分分析（PCA）和偏最小二乘法（PLS）（统计软件 R 中的 pls 包）方法被应用于气相中选定物质（甲醇和乙醇）混合物的模拟光谱（www.spectraplot.com）和实验光谱，PCA 预测物质的数量，PLS 预测其浓度。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Chemometrics approach to Cantilever enhanced photoacoustic spectroscopy with Quantum Cascade lasers

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Chemometrics approach to Cantilever enhanced photoacoustic spectroscopy with Quantum Cascade lasers

Cantilever-enhanced Photoacoustic Spectroscopy in combination with Wavelength Modulation Spectroscopy was used for the multicomponent analysis of gases. Distributed feedback Quantum Cascade Laser tunable in the region of ∼ 1045 – 1048 cm⁻¹ was used as the excitation source. Principal component analysis (PCA) and Partial Least Squares (PLS) (the pls package in the statistical software R) methods were applied to a mixture of selected substances (methanol and ethanol) in the gas phase to both simulated (www.spectraplot.com) and experimentally acquired spectra, PCA predicting the number of substances and PLS its concentrations.

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来源期刊

Journal of Molecular Spectroscopy 物理-光谱学

CiteScore

2.70

自引率

21.40%

发文量

审稿时长

29 days

期刊介绍： The Journal of Molecular Spectroscopy presents experimental and theoretical articles on all subjects relevant to molecular spectroscopy and its modern applications. An international medium for the publication of some of the most significant research in the field, the Journal of Molecular Spectroscopy is an invaluable resource for astrophysicists, chemists, physicists, engineers, and others involved in molecular spectroscopy research and practice.