Single-shot thermal ghost imaging using wavelength-division multiplexing

被引:29
作者
Deng, Chao [1 ,2 ]
Suo, Jinli [1 ]
Wang, Yuwang [1 ]
Zhang, Zhili [2 ]
Dai, Qionghai [1 ]
机构
[1] Tsinghua Univ, Dept Automat, Beijing 100084, Peoples R China
[2] High Tech Inst Xian, Xian 710025, Shaanxi, Peoples R China
基金
中国国家自然科学基金;
关键词
SCATTERING; MEDIA; DETECTOR; LIGHT; TIME;
D O I
10.1063/1.5001750
中图分类号
O59 [应用物理学];
学科分类号
摘要
Ghost imaging (GI) is an emerging technique that reconstructs the target scene from its correlated measurements with a sequence of patterns. Restricted by the multi-shot principle, GI usually requires long acquisition time and is limited in observation of dynamic scenes. To handle this problem, this paper proposes a single-shot thermal ghost imaging scheme via a wavelength-division multiplexing technique. Specifically, we generate thousands of correlated patterns simultaneously by modulating a broadband light source with a wavelength dependent diffuser. These patterns carry the scene's spatial information and then the correlated photons are coupled into a spectrometer for the final reconstruction. This technique increases the speed of ghost imaging and promotes the applications in dynamic ghost imaging with high scalability and compatibility. (C) 2018 Author(s).
引用
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页数:5
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