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题名:
Fingerprint extraction from interference destruction terahertz spectrum
作者: Xiong, Wei1,2; Shen, Jingling1
刊名: OPTICS EXPRESS
出版日期: 2010-10-11
卷号: 18, 期号:21, 页码:21798-21803
文章类型: Article
英文摘要: In this paper, periodic peaks in a terahertz absorption spectrum are confirmed to be induced from interference effects. Theoretically, we explained the periodic peaks and calculated the locations of them. Accordingly, a technique was suggested, with which the interference peaks in a terahertz spectrum can be eliminated and therefore a real terahertz absorption spectrum can be obtained. Experimentally, a sample, Methamphetamine, was investigated and its terahertz fingerprint was successfully extracted from its interference destruction spectrum. This technique is useful in getting samples' terahertz fingerprint spectra, and furthermore provides a fast nondestructive testing method using a large size terahertz beam to identify materials. (C) 2010 Optical Society of America
WOS标题词: Science & Technology ; Physical Sciences
类目[WOS]: Optics
研究领域[WOS]: Optics
关键词[WOS]: TIME-DOMAIN SPECTROSCOPY
收录类别: SCI
语种: 英语
WOS记录号: WOS:000283686500033
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/3382
Appears in Collections:光电技术研究所被WoS收录文章_期刊论文

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作者单位: 1.Capital Normal Univ, Beijing Key Lab Terahertz Spect & Imaging, Beijing 100048, Peoples R China
2.Chinese Acad Sci, Inst Opt & Elect, State Key Lab Opt Technol Microfabricat, Chengdu 610209, Peoples R China

Recommended Citation:
Xiong, Wei,Shen, Jingling. Fingerprint extraction from interference destruction terahertz spectrum[J]. OPTICS EXPRESS,2010,18(21):21798-21803.
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