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Story summary
- China’s Hefei Advanced Light Facility (HALF) fired its first electron beam on September 20, 2026.
- The linear accelerator boosted electrons to 2.2 billion electron volts over a 192-metre track.
- Project chief Feng Donglai said all key accelerator components were domestically built.
- The emitted X-rays will be over 100 times brighter and more coherent than third-generation sources.
- HALF will host up to 35 stations, including ten for extreme ultraviolet lithography and nano-device research.