Optimisation of forbidden photo band antennae
First Claim
1. Photonic band gap (PBG) antenna comprising, according to a plane of directions x, y, a radiating source and surrounded by a photonic band gap structure constituted by parallel metal rods, perpendicular to the said plane with rods extending between the radiating source and outermost rod, the rods of diameter d repeating themselves nx times with a period ax in the direction x and ny times with a period ay in the direction y, wherein the height of the rods between the radiating source and the outermost rod is increasing.
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Abstract
The present invention relates to photonic band gap antennas. This antenna comprises according to a plane of directions x, y, a radiating source and a photonic band gap structure constituted by parallel metal rods, the rods repeating themselves nx times in the direction x and ny times in the direction y. The height of the rods seen from the radiating source is increasing. The invention is able to control the radiation pattern of the antenna in the vertical plane.
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Citations
11 Claims
- 1. Photonic band gap (PBG) antenna comprising, according to a plane of directions x, y, a radiating source and surrounded by a photonic band gap structure constituted by parallel metal rods, perpendicular to the said plane with rods extending between the radiating source and outermost rod, the rods of diameter d repeating themselves nx times with a period ax in the direction x and ny times with a period ay in the direction y, wherein the height of the rods between the radiating source and the outermost rod is increasing.
Specification