光学负折射超透镜的批判
Critique of Optical Negative Refraction Superlensing
摘要：
基于维斯拉格的负折射假设，十年来对光学超透镜的探索是一种幻想吗？我们认为，Pendry的银超透镜的替代处方只不过是一个应用的自然现象，发生在贵金属薄膜的表面等离子体共振。这种现象并不能预测Veselago的负折射率材料的真实性。我们给出了一个简单的解释，这种共振如何实现在银和空气的界面处的场强度增强，而不涉及负折射的概念。
英文摘要：
Has the ten-year old quest for the optical superlens, based on Veselago's hypothesis of negative refraction, been a chimera? We argue that Pendry's alternative prescription of the silver superlens is nothing more than an application of the natural phenomenon of surface plasmon resonance that occurs in the noble metal films. This phenomenon does not predict the reality of Veselago's negative refractive index materials. We give a simple explanation of how this resonance achieves a field intensity enhancement at the interface of silver and air without involving the concept of negative refraction.
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