| 太赫兹光谱用于成品油的识别 |
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| 引用本文： | 李健,李杰,李逸楠,田震,曾周末,王梓.太赫兹光谱用于成品油的识别[J].光谱实验室,2012,29(4):1947-1951. |
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| 作者姓名： | 李健 李杰 李逸楠 田震 曾周末 王梓 |
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| 作者单位： | 1. 天津大学精密测试技术与仪器国家重点实验室 天津市南开区卫津路92号 300072
2. 天津大学光电信息技术科学教育部重点实验室 天津市南开区卫津路92号 300072 |
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| 基金项目： | 国家自然科学基金，教育部博士点基金 |
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| 摘 要： | 用太赫兹时域光谱(THz-TDS)技术研究了90#、93#、97#汽油和-10#柴油在0.25—1.5THz波段的响应特性。结果表明,不同油品其太赫兹响应图谱确实存在明显的差异,并从成分上分析了产生这些差异的原因。在成品油中,吸收系数受醇类添加剂的影响很大,芳烃次之,直链烷烃很少;折射率主要受成分中碳数的影响同时芳烃的作用也很大。通过吸收系数和折射率的不同能够实现成品油的鉴别和区分。
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| 关 键 词： | 成品油 太赫兹 吸收系数 折射率 |
Identification of Refined Oil by Terahertz Spectroscopy |
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| LI Jian
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LI Jie
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LI Yi-Nan
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TIAN Zhen
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ZENG Zhou-Mo
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WANG Zi.Identification of Refined Oil by Terahertz Spectroscopy[J].Chinese Journal of Spectroscopy Laboratory,2012,29(4):1947-1951. |
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| Authors: | LI Jian LI Jie LI Yi-Nan TIAN Zhen ZENG Zhou-Mo WANG Zi |
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| Institution: | (State Key Laboratory of Precision Measuring Technology and Instruments,Tianjin University,Tianjin 300072,P.R.China) a[Key Laboratory of Opto-Electronics Information and Technical Science(Ministry of Education),Tianjin University, Tianjin 300072,P.R.China] |
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| Abstract: | The response characteristics of 90 #,93 #,97 # gasoline and -10 # diesel were investigated by terahertz time-domain spectroscopy(THz-TDS) in the band rang of 0.25—1.5THz. The results showed that there were the obvious differences in terahertz response spectra of different oils,and the reasons for producing the differences were analyzed in composition.The alcohol additive had the largest effect on absorption coefficient,and aromatic hydrocarbon took second place,but straight-chain paraffin was third one in refined oil.The refractive index was mainly affected by the number of carbon in the component as well as aromatic hydrocarbon.Identification and difference of refined oil were realized by difference of absorption and refractive index. |
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| Keywords: | Refined Oil Terahertz Absorption Coefficient Refractive Index |
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