Surface mesoscopic effects in finite metamaterials

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Journal Article
Optics Express, 2012, 20 (16), pp. 18297 - 18302
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While the effective medium treatment of unbounded metamaterials appears to be well established and firmly proven, related phenomena in finite structures have not received sufficient attention. We report on mesoscopic effects associated with the boundaries of finite discrete metamaterial samples, which can invalidate an effective medium description. We show how to avoid such effects by proper choice of boundary configuration. As all metamaterial implementations are naturally finite, we are confident that our findings are crucial for future metamaterial research. © 2012 Optical Society of America.
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