Researchers focus 10 keV X-ray free-electron laser radiation to an area of 0.95 µm × 1.20 µm with near-100%-efficiency using reflective optics. This approach increases the fluence by a factor of 40,000 and provides a power density of 6 × 1017 W cm−2.
- Hirokatsu Yumoto
- Hidekazu Mimura
- Kazuto Yamauchi
