Near-field terahertz imaging with a dynamic aperture

被引：0
|
作者：
Chen, Q. [1 ]
Jiang, Zhiping [1 ]
Xu, G.X. [2 ]
Zhang, X.-C. [1 ]
机构：
[1] Department of Physics, Rensselaer Polytechnic Institute, Troy, NY 12180-3590, United States
[2] Dept. of Environmental Engineering, Rennselaer Polytechnic Institute, Troy, NY 12180-3590, United States
来源：
| 2000年 / Optical Society of America (OSA)卷 / 25期
关键词：
Dynamic aperture;
D O I：
暂无
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学科分类号：
摘要：
By introduction of an optical gating beam on a semiconductor wafer, near-field terahertz (THz) imaging with a dynamic aperture has been realized. The spatial resolution is determined by the focus size of the optical gating bean and the near-field diffraction effect. THz imaging with subwavelength spatial resolution (better than 50 μm) is demonstrated. © 2000 Optical Society of America.
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