Design and Application of a Liquid Detection Device Based on Transmission Near-Infrared Spectroscopic Imaging

IF 1.7 4区 化学 Q4 BIOCHEMICAL RESEARCH METHODS
Jintao Liu, Li Luo, Xiangyang Yu, Yefan Cai, Weibin Hong
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引用次数: 0

Abstract

Spectral imaging is performed primarily using reflective devices, but for transparent objects, especially transparent liquids, a transmission-based device is required to obtain more effective spectral imaging data. For this purpose, a transmitted spectral imaging data acquisition device based on a miniature multispectral spectrometer was developed and demonstrated its capability in the analysis of transparent liquids. This device allows rapid and noncontact acquisition of spectral imaging signals from transparent liquid samples. The design of the device mainly includes two parts: a shooting system and a master computer, and the optical path is optimized by selecting the appropriate diffusion plate. As an application example, a concentration-absorbance model of liquid samples at characteristic wavelengths was established and used to predict the concentrations of different liquid samples. Experimental results showed that the relative error of the predicted concentration values was within 4%, indicating excellent detection performance. Therefore, the design of the device demonstrates favorable feasibility and wide applicability in liquid detection systems.
基于透射近红外光谱成像的液体检测装置的设计与应用
光谱成像主要是通过反射装置进行的,但对于透明物体,尤其是透明液体,则需要透射装置来获取更有效的光谱成像数据。为此,我们开发了一种基于微型多光谱光谱仪的透射光谱成像数据采集设备,并在分析透明液体时展示了其能力。该装置可快速、非接触式地采集透明液体样品的光谱成像信号。该设备的设计主要包括两部分:拍摄系统和主控计算机,并通过选择合适的扩散板优化了光路。以应用为例,建立了液体样品在特征波长下的浓度-吸光率模型,并用于预测不同液体样品的浓度。实验结果表明,预测浓度值的相对误差在 4% 以内,显示了出色的检测性能。因此,该装置的设计在液体检测系统中具有良好的可行性和广泛的适用性。
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
Journal of Spectroscopy
Journal of Spectroscopy BIOCHEMICAL RESEARCH METHODS-SPECTROSCOPY
CiteScore
3.00
自引率
0.00%
发文量
37
审稿时长
15 weeks
期刊介绍: Journal of Spectroscopy (formerly titled Spectroscopy: An International Journal) is a peer-reviewed, open access journal that publishes original research articles as well as review articles in all areas of spectroscopy.
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