Chinese scientists build world’s most powerful spy camera

Published on February 24, 2025

Chinese scientists have achieved a quantum leap in optical imaging technology with a powerful laser that could redefine global standards for surveillance, potentially allowing Beijing to scrutinise foreign military satellites with unparalleled precision or distinguish details as fine as a human face from low-Earth orbit.

The team from the Chinese Academy of Sciences’ Aerospace Information Research Institute captured images with millimetre-level resolution from distances exceeding 100km (62 miles), a feat previously deemed unattainable.

The breakthrough was described in a study published on Friday in the peer-reviewed Chinese Journal of Lasers.

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