强激光与粒子束, 2013, 25 (6): 1566, 网络出版: 2013-04-23   

几种油脂分子太赫兹谱分析技术的基础研究

Preliminary research on oil analysis by using terahertz time domain spectroscopy
作者单位
1 长沙理工大学 化学与生物工程学院, 长沙 410000
2 国防科学技术大学 化学与生物学系, 长沙 410073
摘要
为了探索脂类有机大分子对太赫兹(THz)辐射的吸收特征,以及使用THz对生物有机大分子实现检测和鉴别,使用透射型太赫兹时域光谱(THz-TDS)系统获得了七种植物油、两种调和油的太赫兹吸收光谱,得到它们的特征吸收参数,对比和分析了它们特征吸收峰的差异。结果表明:脂类有机大分子对THz辐射具有差异性吸收,具备在THz波段的识别基础,可通过THz技术进行鉴别和定性分析。
Abstract
To explore the characteristics of terahertz absorption spectra of lipid macromolecules, terahertz time-domain spectroscopy (THz-TDS) is applied to seven types of plant oils and two types of blend oils. The oils are measured in the frequency range extending from 0 to 80 wavenumbers. The absorption features of the oils are different in such a frequency range, indicating that THz-TDS can be used to distinguish different types of oils, which is the basis for analyzing oil composition and distinguishing oil mixtures with THz spectroscopy.
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李利龙, 向洋, 吴磊, 柳珑. 几种油脂分子太赫兹谱分析技术的基础研究[J]. 强激光与粒子束, 2013, 25(6): 1566. Li Lilong, Xiang Yang, Wu Lei, Liu Long. Preliminary research on oil analysis by using terahertz time domain spectroscopy[J]. High Power Laser and Particle Beams, 2013, 25(6): 1566.

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