Horn antenna, waveguide or apparatus including low index dielectric material
First Claim
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1. A horn antenna comprising:
- a conducting horn having an inner wall; and
a first dielectric layer lining the inner wall of the conducting horn,wherein the first dielectric layer comprises a metamaterial having a relative dielectric constant of greater than 0 and less than 1.
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Abstract
A horn antenna includes a conducting horn having an inner wall and a first dielectric layer lining the inner wall of the conducting horn. The first dielectric layer includes a metamaterial having a relative dielectric constant of greater than 0 and less than 1. The horn antenna may further include a dielectric core abutting at least a portion of the first dielectric layer. In one aspect, the dielectric core includes a fluid. A waveguide including a metamaterial is also disclosed.
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Citations
25 Claims
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1. A horn antenna comprising:
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a conducting horn having an inner wall; and a first dielectric layer lining the inner wall of the conducting horn, wherein the first dielectric layer comprises a metamaterial having a relative dielectric constant of greater than 0 and less than 1. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A waveguide comprising:
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an outer surface defining a waveguide cavity; an inner surface positioned within the waveguide cavity; and a first dielectric layer lining the inner surface of the waveguide cavity, wherein the first dielectric layer comprises a metamaterial having a relative dielectric constant of greater than 0 and less than 1. - View Dependent Claims (20, 21, 22, 23, 24, 25)
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Specification