Precisely optical material parameter determination by time domain waveform rebuilding with THz time-domain spectroscopy

被引：37
|
作者：
Li, Xiangjun [1 ,2 ]
Hong, Zhi [2 ]
He, Jinlong [2 ]
Chen, Yuquan [1 ]
机构：
[1] Zhejiang Univ, Biosensor Natl Special Lab, Hangzhou 310027, Peoples R China
[2] China Jiliang Univ, Ctr THz Res, Hangzhou 310018, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2010年 / 283卷 / 23期
基金：
中国国家自然科学基金;
关键词：
THz time-domain spectroscopy (THz-TDS); Waveform rebuilding; Complex refraction index; Material parameter extraction; TERAHERTZ; THICKNESS; TECHNOLOGY; EXTRACTION;
D O I：
10.1016/j.optcom.2010.06.088
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We offer an innovative optical material parameter extraction algorithm for Terahertz time-domain spectroscopy (THz-TDS). Unlike previously reported extraction algorithms in frequency domain, which have to be compromised between amplitude and phase, or the real part and imaginary part of the transfer function, we calculate material parameters by minimizing the difference between the measured sample waveform and the rebuilt one in time domain. The new method is effectively verified by different samples, and can be used either in transmission mode or in reflection mode for THz-TDS (C) 2010 Elsevier B V. All rights reserved.
引用
收藏
页码：4701 / 4706
页数：6
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