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

被引：22

作者：

Rodrigues da Silva, R. ^{[1
]}

Macedo da Silva, R. ^{[1
]}

Dumelow, T. ^{[1
]}

da Costa, J. A. P. ^{[1
]}

Honorato, S. B. ^{[2
]}

Ayala, A. P. ^{[2
]}

机构：

[1] Univ Estado Rio Grande do Norte, Dept Fis, BR-59610090 Mossoro, RN, Brazil

[2] Univ Fed Ceara, Dept Fis, BR-60455900 Fortaleza, CE, Brazil

来源：

PHYSICAL REVIEW LETTERS | 2010年 / 105卷 / 16期

关键词：

TRANSVERSE; MODES; INDEX;

D O I：

10.1103/PhysRevLett.105.163903

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

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.

引用

页数：4

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