Excitation and use of guided surface wave modes on lossy media
First Claim
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1. A guided surface waveguide probe, comprising:
- a charge terminal elevated over a lossy conducting medium; and
a coupling circuit configured to couple an excitation source to the charge terminal, the coupling circuit configured to provide a voltage to the charge terminal that establishes an electric field having a wave tilt (W) that intersects the lossy conducting medium at a tangent of a complex Brewster angle (ψ
i,B) at or beyond a Hankel crossover distance (Rx) from the guided surface waveguide probe.
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Abstract
Disclosed are various embodiments for transmitting energy conveyed in the form of a guided surface-waveguide mode along the surface of a lossy medium such as, e.g., a terrestrial medium by exciting a guided surface waveguide probe.
102 Citations
20 Claims
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1. A guided surface waveguide probe, comprising:
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a charge terminal elevated over a lossy conducting medium; and a coupling circuit configured to couple an excitation source to the charge terminal, the coupling circuit configured to provide a voltage to the charge terminal that establishes an electric field having a wave tilt (W) that intersects the lossy conducting medium at a tangent of a complex Brewster angle (ψ
i,B) at or beyond a Hankel crossover distance (Rx) from the guided surface waveguide probe. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method, comprising:
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positioning a charge terminal at a defined height over a lossy conducting medium; and exciting the charge terminal with an excitation voltage having a phase delay, where the excitation voltage establishes an electric field having a wave tilt (W) that corresponds to a wave illuminating the lossy conducting medium at a complex Brewster angle (ψ
i,B) at or beyond a Hankel crossover distance (Rx) from the charge terminal. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification