Abstract
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 ∼200W/cm2 as electrons with energies in the 20-40keV range are injected into gold-silica well structures with a lateral size of just a few hundred nanometers. © 2009 The American Physical Society.
| Original language | English |
|---|---|
| Article number | 113901 |
| Journal | Physical Review Letters |
| Volume | 103 |
| Issue number | 11 |
| DOIs | |
| Publication status | Published - 9 Sept 2009 |
| Externally published | Yes |
Bibliographical note
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