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.
No takes yet. Share an insight, caveat, or question.
Adamo et al. (2009) studied this question.
Synapse has enriched 4 closely related papers on similar clinical questions. Consider them for comparative context: