Wireless energy transfer with high-Q at high efficiency
First Claim
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1. A system, comprising:
- a source high-Q resonator coupled to an energy source; and
a second high-Q resonator, coupled to an energy drain, located a distance from the source resonator,wherein the source resonator and the second resonator are coupled to provide κ
/√
{square root over (Γ
1Γ
2)}>
0.2 via near-field wireless energy transfer among the source resonator and the second resonator over a range of distances between the source resonator and the second resonator, wherein κ
is the wireless energy transfer rate, Γ
1 is the intrinsic loss rate of the source resonator, and Γ
2 is the intrinsic loss rate of the second resonator.
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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 distance from the source resonator. The source resonator and the second resonator may be coupled to provide κ/sqrt(Γ1Γ2)>0.2 via near-field wireless energy transfer among the source resonator and the second resonator.
478 Citations
38 Claims
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1. A system, comprising:
-
a source high-Q resonator coupled to an energy source; and a second high-Q resonator, coupled to an energy drain, located a distance from the source resonator, wherein the source resonator and the second resonator are coupled to provide κ
/√
{square root over (Γ
1Γ
2)}>
0.2 via near-field wireless energy transfer among the source resonator and the second resonator over a range of distances between the source resonator and the second resonator, wherein κ
is the wireless energy transfer rate, Γ
1 is the intrinsic loss rate of the source resonator, and Γ
2 is the intrinsic loss rate of the second resonator. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A method, comprising:
-
providing a source high-Q resonator coupled to an energy source and a second high-Q resonator, wherein the second high-Q resonator is coupled to an energy drain and located a distance from the source resonator, wherein the source resonator and the second resonator are coupled to provide κ
/√
{square root over (Γ
1Γ
2)}>
0.2 via near-field wireless energy transfer among the source resonator and the second resonator over a range of distances between the source resonator and the second resonator, wherein κ
is the wireless energy transfer rate, Γ
1 is the intrinsic loss rate of the source resonator, and Γ
2 is the intrinsic loss rate of the second resonator. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38)
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Specification