Calibration method to improve the accuracy of THz imaging and spectroscopy in reflection geometry

被引：39

作者：

Fan, Shuting ^{[1
]}

Parrott, Edward P. J. ^{[2
]}

Ung, Benjamin S. Y. ^{[2
]}

Pickwell-MacPherson, Emma ^{[2
]}

机构：

[1] Hong Kong Univ Sci & Technol, Dept Elect & Comp Engn, Kowloon, Hong Kong, Peoples R China

[2] Chinese Univ Hong Kong, Dept Elect Engn, Shatin, Hong Kong, Peoples R China

来源：

PHOTONICS RESEARCH | 2016年 / 4卷 / 03期

关键词：

TIME-DOMAIN SPECTROSCOPY; TERAHERTZ PULSED SPECTROSCOPY; OPTICAL-CONSTANTS; WATER;

D O I：

10.1364/PRJ.4.000A29

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We introduce a novel method to accurately extract the optical parameters in terahertz reflection imaging. Our method builds on standard self-referencing methods using the reflected signal from the bottom of the imaging window material to further compensate for time-dependent system fluctuations and position-dependent variation in the window thickness. Our proposed method not only improves the accuracy, but also simplifies the imaging procedure and reduces measurement times. (C) 2016 Chinese Laser Press

引用

页码：A29 / A35

页数：7

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