Negative refraction is a startling phenomenon whereby light is bent the 'wrong way' as it refracts into a medium with negative refractive index. Now these conditions can be realized in metamaterials designed to have the desired properties. The consequences are far reaching and open a Pandora's box of possibilities in electromagnetism which scientists and engineers are just beginning to explore. The special issue authored by leading authorities covers key concepts in this emerging field.

© 2003 Optical Society of America

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Figures (2)

Fig. 1.
Fig. 1.

Number of papers published on negative refraction and related topics.

Fig. 2.
Fig. 2.

Parameter space for ε, µ.