Terahertz Real-Time Off-Axis Digital Holography with Zoom Function

被引：2
|
作者：
Hou, Lei [1 ,2 ]
Han, Xiao-Wei [1 ,3 ]
Yang, Lei [1 ]
Shi, Wei [1 ,2 ]
机构：
[1] Xian Univ Technol, Dept Appl Phys, Xian 710048, Shaanxi, Peoples R China
[2] Natl Key Lab Sci & Technol Appl Phys Chem, Xian 710061, Shaanxi, Peoples R China
[3] Weinan Normal Univ, Inst Phys & Elect Engn, Weinan 714000, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 2017年 / 34卷 / 05期
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
D O I：
10.1088/0256-307X/34/5/054207
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We present a terahertz (THz) real-time digital holographic system with zoom function worked at 0.17 THz. The magnification factor ranges from 1 to 2. In the imaging experiment, the resolution is 2 mm with the magnification factor of 1.2. A metal sheet with F-shaped hollow is used as a sample, and its THz holograms are reconstructed by our developed algorithm based on the angular spectrum theorem, and the qualities of the THz images under different conditions are compared.
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页数：4
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