G. Rosolen, L. Wong, I. Kaminer, N. Rivera, B. Maes, M. Soljačić
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Efficient hard X-ray source enabled by metallic nano-gratings
We propose practical nano-grating configurations for highly directional and monochromatic hard X-ray generation from modestly relativistic electrons. By optimizing the nano-grating to support high field enhancement we show efficient radiation generation at multiple harmonics.