Terahertz quasi-near-field real-time imaging

被引：33
|
作者：
Wang, Xinke [1 ,2 ]
Cui, Ye [2 ]
Hu, Dan [2 ]
Sun, Wenfeng [2 ]
Ye, JiaSheng [2 ]
Zhang, Yan [1 ,2 ]
机构：
[1] Harbin Inst Technol, Dept Phys, Harbin 150001, Peoples R China
[2] Capital Normal Univ, Dept Phys, Minist Educ, Key Lab Terahertz Optoelect,Beijing Key Lab Terah, Beijing 100048, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2009年 / 282卷 / 24期
基金：
中国国家自然科学基金;
关键词：
Quasi-near-field real-time imaging; Sub-wavelength; Spatial resolution; Imaging capability;
D O I：
10.1016/j.optcom.2009.09.004
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A terahertz (THz) quasi-near-field real-time imaging system is presented. Not only the consumption of experimental time is dramatically reduced, but also the resolution of the imaging system is improved to the magnitude of sub-wavelength of THz waves. THz images of a razor blade edge are obtained and the spatial resolution of the imaging system is discussed in detail. For checking the imaging capability of this system, three metallic plates with different sub-wavelength air hole arrays are imaged and the microstructure of these samples can be clearly observed in their THz images. It is believed that the THz quasi-near-field real-time imaging system should have tremendous applications in the THz microscopic field. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：4683 / 4687
页数：5
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