Optical waveguides – Planar optical waveguide
Reexamination Certificate
2006-05-12
2008-09-02
Healy, Brian (Department: 2883)
Optical waveguides
Planar optical waveguide
C385S014000, C385S130000, C385S131000, C385S132000, C385S141000
Reexamination Certificate
active
07421178
ABSTRACT:
Disclosed herein are exemplary embodiments of materials and structures that have a negative refractive index. For example, one exemplary embodiment is a waveguide structure comprising a first waveguide border element having a first substantially planar surface, and a second waveguide border element spaced apart from the first waveguide border element and having a second substantially planar surface. This exemplary embodiment further comprises a core material positioned between the first substantially planar surface and the second substantially planar surface. The core material has a positive in-plane dielectric constant and a negative perpendicular-to-plane dielectric constant. Furthermore, the first waveguide border element, the second waveguide border element, and the core material form a waveguide exhibiting a negative index of refraction for electromagnetic radiation in a frequency range.
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Narimanov Evgueni E.
Podolskiy Viktor A.
Healy Brian
Klarquist & Sparkman, LLP
Lam Hung
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