Wireless energy transfer with high-Q devices at variable distances
First Claim
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1. A system, comprising:
- a source high-Q resonator, configured to be coupled to an energy source, the source high-Q resonator having a resonant frequency ω
1 and an intrinsic loss rate Γ
1, and capable of storing electromagnetic energy with a high intrinsic quality factor Q1=ω
1/(2Γ
1); and
a second high-Q resonator, located a variable distance from the source resonator, the second high-Q resonator having a resonant frequency ω
2 and an intrinsic loss rate Γ
2, and capable of storing electromagnetic energy with a high intrinsic quality factor Q2=ω
2 (2Γ
2),wherein the source resonator and the second resonator are configured to be coupled to wirelessly transfer electromagnetic energy from said source resonator to said second resonator over a distance D that is smaller than each of the resonant wavelengths λ
1 and λ
2 corresponding to the resonant frequencies ω
1 and ω
2, respectively.
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Abstract
Described herein are embodiments of a source high-Q resonator, optionally coupled to an energy source, and a second high-Q resonator, optionally coupled to an energy drain that may be located a variable distance from the source resonator. The source resonator and the second resonator may be coupled to transfer electromagnetic energy from said source resonator to said second resonator over a distance D that is smaller than each of the resonant wavelengths λ1 and λ2 corresponding to the resonant frequencies ω1 and ω2, respectively.
448 Citations
48 Claims
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1. A system, comprising:
-
a source high-Q resonator, configured to be coupled to an energy source, the source high-Q resonator having a resonant frequency ω
1 and an intrinsic loss rate Γ
1, and capable of storing electromagnetic energy with a high intrinsic quality factor Q1=ω
1/(2Γ
1); anda second high-Q resonator, located a variable distance from the source resonator, the second high-Q resonator having a resonant frequency ω
2 and an intrinsic loss rate Γ
2, and capable of storing electromagnetic energy with a high intrinsic quality factor Q2=ω
2 (2Γ
2),wherein the source resonator and the second resonator are configured to be coupled to wirelessly transfer electromagnetic energy from said source resonator to said second resonator over a distance D that is smaller than each of the resonant wavelengths λ
1 and λ
2 corresponding to the resonant frequencies ω
1 and ω
2, respectively. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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25. A method, comprising:
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providing a source high-Q resonator configured to be coupled to an energy source and a second high-Q resonator, wherein the second high-Q resonator is located a variable distance from the source resonator, the source high-Q resonator having a resonant frequency ω
1 and an intrinsic loss rate Γ
1, and capable of storing electromagnetic energy with a high intrinsic quality factor Q1=(2Γ
1) and the second high-Q resonator having a resonant frequency ω
2 and an intrinsic loss rate Γ
2, and capable of storing electromagnetic energy with a high intrinsic quality factor Q2=ω
2/(2Γ
2),wherein the source resonator and the second resonator are configured to be coupled to wirelessly transfer electromagnetic energy from said source resonator to said second resonator over a distance D that is smaller than each of the resonant wavelengths λ
1 and λ
2 corresponding to the resonant frequencies ω
1 and ω
2, respectively. - View Dependent Claims (26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48)
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Specification