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Rapid growth of evanescent wave by a silver superlens

Liu, Zhaowei, Fang, Nicholas, Yen, Ta-Jen, Zhang, Xiang·2003·Applied Physics Letters

Abstract

Recent theoretical work suggested the possibility of constructing a super-resolution diffraction-free lens by using a negative refractive index medium (NRIM). The key proposition is that evanescent waves can be greatly enhanced by increasing the thickness of the NRIM. We report here experimental evidence that confirms that the transmission of evanescent waves rapidly grows with the film thickness up to about 50 nm, after which it decays as loss becomes significant. These findings represent the first step toward the understanding and realization of a diffraction-free lens.

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Metadata

Authors
Liu, Z., Fang, N., Yen, T.-J., & Zhang, X.
Venue
Applied Physics Letters
Published
2003-12-22
Volume
83
Issue
25
Pages
5184-5186
ISSN
  • 0003-6951 (ISSN-L)
  • 1077-3118
OpenAlex
W1995031177
Cited by
174
References
1
FWCI
5.51
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Rapid growth of evanescent wave by a silver superlens. https://app.cochat.ai/papers/10.1063/1.1636250
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Liu, Z., Fang, N., Yen, T.-J., & Zhang, X. (2003). Rapid growth of evanescent wave by a silver superlens. Applied Physics Letters. https://doi.org/10.1063/1.1636250

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