Optical data storage and systems utilizing plasmon lenses

Details Optical data storage and systems utilizing plasmon lenses Optical data storage and systems utilizing plasmon lenses

2007-11-06

2007-11-06

Neyzari, Ali (Department: 2627)

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

C369S053200, C369S100000, C369S112230, C369S013020

Reexamination Certificate

active

11478008

ABSTRACT:
A light-plasmon coupling lens including an optically transparent substrate having a light incident surface and a light-plasmon coupling surface opposite the light incident surface. The light-plasmon coupling surface including at least a set of circular concentric peaks/valleys which form a Fourier sinusoidal pattern in the radial direction of the circular concentric peaks/valleys. A conformal layer of metal is deposited on the light-plasmon coupling surface of the substrate and has aperture at the center of thereof through which plasmons are transmitted. An optical recording medium including a light-plasmon coupling lens.

REFERENCES:
patent: 6646744 (2003-11-01), Pedersen et al.
patent: 2006/0280043 (2006-12-01), Ovshinsky et al.

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