Near-field optical probe for reproducing information on a...

Details Near-field optical probe for reproducing information on a... Near-field optical probe for reproducing information on a...

2004-08-24

2009-10-13

Feild, Joseph (Department: 2627)

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

C369S013330, C369S112270

Reexamination Certificate

active

07602692

ABSTRACT:
A near-field optical probe has a planar substrate formed with a through-hole and a phase shifter layer translucent to light having a wavelength of illumination light used to illuminate the substrate for producing near-field light. The phase shifter layer is effective to cause a shift of phase in the illumination light by 180 degrees and is provided on the substrate so as to cover one opening of the through-hole to form a microscopic aperture for producing near-field light.

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patent: 6215114 (2001-04-01), Yagi et al.
patent: 6243348 (2001-06-01), Goodberlet
patent: 6324129 (2001-11-01), Durnin et al.
patent: 6335124 (2002-01-01), Mitsui et al.
patent: 6541755 (2003-04-01), Fujita et al.
patent: 7057998 (2006-06-01), Oumi et al.

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