On May 10, it was learned from the University of Science and Technology of China that Pan Jianwei, Zhang Qiang, Xu Feihu and others from the university, together with the Massachusetts Institute of Technology, the Xi’an Institute of Optics and Precision Machinery of the Chinese Academy of Sciences and other units, proposed and experimentally verified the synthetic aperture technology of active optical intensity interferometry for the first time, and achieved high-resolution imaging of millimeter level targets 1.36 kilometers away. The imaging resolution of the experimental system is about 14 times higher than that of a single telescope in the interferometer. This achievement was published on May 9th in the international academic journal Physical Review Letters.
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