期刊
APPLIED PHYSICS LETTERS
卷 115, 期 2, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.5094728
关键词
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资金
- Shenzhen Research Foundation [JCYJ20150925163313898, JCYJ20160608153308846, JCYJ20160510154531467]
- National Natural Science Foundation of China [61205101]
- Youth Innovation Promotion Association, CAS [20160320]
We demonstrate Fourier single-pixel imaging in the terahertz regime. The experimental system is implemented using a photoinduced coded aperture setup, where monolayer graphene on a high-resistance silicon substrate illuminated by a coded laser beam works as a terahertz modulator. The results show that high-quality terahertz images can be reconstructed using a greatly reduced number of measurements. We further find that deep photoinduced terahertz modulation, by adding a monolayer graphene on the silicon substrate and by using high laser power, can significantly improve the image quality. Compared to Hadamard single-pixel imaging with a reordered Hadamard matrix, the Fourier approach has higher image quality. We expect that this work will speed up the efficiency of single-pixel terahertz imaging and advance terahertz imaging applications. Published under license by AIP Publishing.
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