Using Phonon Resonances as a Route to All-Angle Negative Refraction in the Far-Infrared Region: The Case of Crystal Quartz
- 12 October 2010
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 105 (16)
- https://doi.org/10.1103/physrevlett.105.163903
Abstract
We consider how all-angle negative refraction may be induced in anisotropic crystals by making use of the phonon response. We investigate the example of crystal quartz at far-infrared wavelengths. Reflection and transmission measurements confirm the expected behavior, and show relatively high transmission efficiency at frequencies at which negative refraction occurs.Keywords
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