A Full Electromagnetic Simulation Study of Near-Field Imaging using Silver Films

S Jiang; E R Pike

doi:10.1088/1367-2630/7/1/169

A Full Electromagnetic Simulation Study of Near-Field Imaging using Silver Films

S Jiang, E R Pike

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

A full electromagnetic calculation is performed to investigate two-dimensional near-field imaging using a 'Pendry' lens. We demonstrate that in spite of a positive magnetic permeability satisfactory resolution is possible for a thin silver slab, or a multilayer structure, at certain optical frequencies. These analytical results are confirmed by using a novel finite-element numerical simulation, which makes use of linear superpositions of one-dimensional field components. The simulation displays clearly the excited surface plasmons. The results in the electrostatic limit are also given for comparison purposes.

Original language	English
Article number	169
Journal	NEW JOURNAL OF PHYSICS
Volume	7
DOIs	https://doi.org/10.1088/1367-2630/7/1/169
Publication status	Published - 9 Aug 2005

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10.1088/1367-2630/7/1/169

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title = "A Full Electromagnetic Simulation Study of Near-Field Imaging using Silver Films",

abstract = "A full electromagnetic calculation is performed to investigate two-dimensional near-field imaging using a 'Pendry' lens. We demonstrate that in spite of a positive magnetic permeability satisfactory resolution is possible for a thin silver slab, or a multilayer structure, at certain optical frequencies. These analytical results are confirmed by using a novel finite-element numerical simulation, which makes use of linear superpositions of one-dimensional field components. The simulation displays clearly the excited surface plasmons. The results in the electrostatic limit are also given for comparison purposes. ",

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AB - A full electromagnetic calculation is performed to investigate two-dimensional near-field imaging using a 'Pendry' lens. We demonstrate that in spite of a positive magnetic permeability satisfactory resolution is possible for a thin silver slab, or a multilayer structure, at certain optical frequencies. These analytical results are confirmed by using a novel finite-element numerical simulation, which makes use of linear superpositions of one-dimensional field components. The simulation displays clearly the excited surface plasmons. The results in the electrostatic limit are also given for comparison purposes.

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JO - NEW JOURNAL OF PHYSICS

JF - NEW JOURNAL OF PHYSICS

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A Full Electromagnetic Simulation Study of Near-Field Imaging using Silver Films

Abstract

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