Near-field interaction control element

Details Near-field interaction control element Near-field interaction control element

2007-03-26

2008-12-30

Hughes, James P (Department: 2883)

Optical waveguides

Planar optical waveguide

C385S142000, C977S901000, C977S778000, C977S810000

Reexamination Certificate

active

07471863

ABSTRACT:
A near-field interaction control element includes a near-field optical waveguide containing particles formed of a metal, a metal anion or a metal cation with a diameter of 0.5 nm or more and 3 nm or less and a dielectric constant of −2.5 or more and −1.5 or less, an electron injector/discharger injecting or discharging an electron into or from the particles contained in the near-field optical waveguide to vary a dielectric constant of the near-field optical waveguide, a near-field light introducing part introducing near-field light into the near-field optical waveguide, and a near-field light emitting part emitting the near-field light having guided through the near-field optical waveguide.

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