Terahertz tomographic imaging with a fresnel lens

被引：38
|
作者：
Wang, Shaohong [1 ]
Zhang, Xi-Cheng [1 ]
机构：
[1] Center for Terahertz Research, Rensselaer Polytechnic Institute, Troy, NY, United States
来源：
Optics and Photonics News | 2002年 / 13卷 / 12期
关键词：
Imaging techniques - Lenses - Plastic sheets - Silicon - Tomography;
D O I：
10.1364/OPN.13.12.000059
中图分类号：
学科分类号：
摘要：
A study of terahertz tomographic imaging with a Fresnel lens was presented. A 30-mm-diameter silicon Fresnel lens with a focal length of 2.5 cm at 1 THz was used. Three plastic sheets with different patterns were placed along the THz beam path. The measured frequency-dependent magnification factors agreed well with the calculated magnification factors.
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