Using Phonon Resonances as a Route to All-Angle Negative Refraction in the Far-Infrared Region: The Case of Crystal Quartz

R. Rodrigues da Silva, R. Macêdo da Silva, T. Dumelow, J. A. P. da Costa, S. B. Honorato, and A. P. Ayala

Phys. Rev. Lett. 105, 163903 – Published 12 October 2010

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.

Received 14 July 2010

DOI:https://doi.org/10.1103/PhysRevLett.105.163903

Authors & Affiliations

R. Rodrigues da Silva^1,*, R. Macêdo da Silva¹, T. Dumelow^1,†, J. A. P. da Costa¹, S. B. Honorato², and A. P. Ayala²

¹Departamento de Física, Universidade do Estado do Rio Grande do Norte, Costa e Silva, 59610-090 Mossoró RN, Brazil
²Departamento de Física, Universidade Federal do Ceará, Campus Pici, 60455-900 Fortaleza CE, Brazil

^*Present address: Departamento de Física, UFRN, 59072-970 Natal RN, Brazil.
^†Corresponding author. tdumelow@yahoo.com.br

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Vol. 105, Iss. 16 — 15 October 2010

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Physical Review Letters

Using Phonon Resonances as a Route to All-Angle Negative Refraction in the Far-Infrared Region: The Case of Crystal Quartz

R. Rodrigues da Silva, R. Macêdo da Silva, T. Dumelow, J. A. P. da Costa, S. B. Honorato, and A. P. Ayala

Phys. Rev. Lett. 105, 163903 – Published 12 October 2010

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