Optical head and optical device for enhancing the intensity...

Details Optical head and optical device for enhancing the intensity... Optical head and optical device for enhancing the intensity...

2006-08-01

2006-08-01

Young, Wayne (Department: 2652)

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

C369S013330, C369S112270, C369S112280

Reexamination Certificate

active

07085220

ABSTRACT:
A optical device including conductive films having a first and second surfaces, one hole, surface specific shapes periodically, and a layer inserted as an intermediate layer between the first and the second surface of conductive films. The intermediate layer has the effect for improving surface roughness of the surface of conductive film. A light incident upon one surface enhances an intensity transmitted though the hole.

REFERENCES:
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patent: 6359852 (2002-03-01), Ueyanagi
patent: 6445453 (2002-09-01), Hill
patent: 6614742 (2003-09-01), Ueyanagi
patent: 6818907 (2004-11-01), Stark
patent: 2001/0006435 (2001-07-01), Ichihara et al.
patent: 2002/0001283 (2002-01-01), Niwa et al.
patent: 2003/0112542 (2003-06-01), Rettner et al.
patent: 2004/0131001 (2004-07-01), Nakada et al.
T.W. Ebbesen et al., “Extraordinary optical transmission through sub-wavelength hole arrays”, Natural, vol. 391, (Feb. 12, 1998), pp. 667-669.

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