Negative refraction and plano-concave lens focusing in one-dimensional photonic crystals

Details Negative refraction and plano-concave lens focusing in one-dimensional photonic crystals Negative refraction and plano-concave lens focusing in one-dimensional photonic crystals

2006-04-11

arxiv.org/abs/cond-mat/0604283v1

APPLIED PHYSICS LETTERS 89, 084104 (2006)

Physics

Condensed Matter

Other Condensed Matter

3 pages and 5 figures

Scientific paper

10.1063/1.2338644

Negative refraction is demonstrated in one-dimensional (1D) dielectric photonic crystals (PCs) at microwave frequencies. Focusing by plano-concave lens made of 1D PC due to negative refraction is also demonstrated. The frequency-dependent negative refractive indices, calculated from the experimental data matches very well with those determined from band structure calculations. The easy fabrication of one-dimensional photonic crystals may open the door for new applications.

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