Intelligent metasurface imager and recognizer

• Published in: Light, science & applications Vol. 8; no. 1; pp. 1 - 9
• Main Authors: Li, Lianlin, Shuang, Ya, Ma, Qian, Li, Haoyang, Zhao, Hanting, Wei, Menglin, Liu, Che, Hao, Chenglong, Qiu, Cheng-Wei, Cui, Tie Jun
• Format: Journal Article
• Language: English
• Published: London Nature Publishing Group UK 21.10.2019; Springer Nature B.V
• Subjects: 639/766/1130; 639/766/400; Applied and Technical Physics; Atomic; Classical and Continuum Physics; Interfaces; Lasers; Molecular; Neural networks; Optical and Plasma Physics; Optical Devices; Optics; Photonics; Physics; Physics and Astronomy

There is an increasing need to remotely monitor people in daily life using radio-frequency probe signals. However, conventional systems can hardly be deployed in real-world settings since they typically require objects to either deliberately cooperate or carry a wireless active device or identificat...