Light well: a tunable free-electron light source on a chip.

@article{Adamo2009LightWA,
  title={Light well: a tunable free-electron light source on a chip.},
  author={G. Adamo and K. F. MacDonald and Y. H. Fu and C-M Wang and D. Tsai and F. D. de Abajo and N. Zheludev},
  journal={Physical review letters},
  year={2009},
  volume={103 11},
  pages={
          113901
        }
}
  • G. Adamo, K. F. MacDonald, +4 authors N. Zheludev
  • Published 2009
  • Physics, Medicine
  • Physical review letters
  • The passage of a free-electron beam through a nanohole in a periodically layered metal-dielectric structure creates a new type of tunable, nanoscale radiation source--a "light well". In the reported demonstration, tunable light is generated at an intensity of approximately 200 W/cm(2) as electrons with energies in the 20-40 keV range are injected into gold-silica well structures with a lateral size of just a few hundred nanometers. 

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