Lei Hou (侯磊)1,2, Xiao-Wei Han (韩小卫)1,3, Lei Yang (杨磊)1 and Wei Shi (施卫)1,2
http://iopscience.iop.org/article/10.1088/0256-307X/34/5/054207/meta;jsessionid=3E8C126700C724792F9F7ED8AAB28723.c1.iopscience.cld.iop.org
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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