Amplified X-ray laser pulses achieved using mirror set-up
- RESEARCH BRIEFINGS
- 25 February 2026
Amplified X-ray laser pulses achieved using mirror set-up
Current X-ray lasers require facilities that are kilometres long. A cavity-based set-up about 66 metres in length has been developed that uses highly reflective mirrors to enable the generation of high-intensity pulses of narrow-band X-ray radiation. This promises to overcome the limitations of current X-ray lasers.
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This is a summary of: Rauer, P. et al. Lasing of a cavity-based X-ray source. Nature 650, 93–96 (2026).
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doi: https://doi.org/10.1038/d41586-026-00580-2
‘Expert opinion’ and the figure are published under a CC BY 4.0 licence.
References
Kondratenko, A. M. & Saldin, E. L. Part. Accel. 10, 207–216 (1980).
Margraf, R. et al. Nature Photon. 17, 878–882 (2023).
Rauer, P., Decking, W., Lipka, D., Thoden, D. & Wohlenberg, T. Phys. Rev. Accel. Beams 26, 020701 (2023).
Read the paper: Lasing of a cavity-based X-ray source
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Subjects
Optics and photonics
Engineering
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