Magnetic nano-transmitter plasma wave antenna
AssigneeThe Government of the United States of America, as represented by the Secretary of the Navy
InventorsWilliam Amatucci, Matthew Finn, Kyle Hrenyo, Alexander Hyde, Dennis Papadopoulos
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Abstract
Systems and methods are provided for a compact, low-power, single-domain magnetic nanoparticle antenna that improves wave injection efficiency by more than 30 dB over conventional electric or magnetic dipoles, while reducing size, weight and power. This antenna allows in situ investigations to be performed with laboratory-like control to answer fundamental questions regarding nonlinear wave-particle interactions regarding the critical role that Electromagnetic Ion Cyclotron (EMIC) waves play in controlling radiation belt particle flux.
Claims20
A magnetic nanoparticle (MNT) antenna array, comprising:
- a first MNT antenna element, comprising:
- a first cylindrical core comprising a first plurality of FeCo magnetic nanoparticles, and
- a first wire coil wrapped around the first cylindrical core;
- and
- a second MNT antenna element, comprising:
- a second cylindrical core comprising a second plurality of FeCo magnetic nanoparticles, and
- a second wire coil wrapped around the second cylindrical core.
A circular magnetic nanoparticle (MNT) antenna array of a plurality of MNT antenna elements arranged in a circle, the plurality of MNT antenna elements comprising:
- a first MNT antenna element, comprising:
- a first cylindrical core comprising a first plurality of FeCo magnetic nanoparticles, and
- a first wire coil wrapped around the first cylindrical core;
- and
- a second MNT antenna element, comprising:
- a second cylindrical core comprising a second plurality of FeCo magnetic nanoparticles, and
- a second wire coil wrapped around the second cylindrical core.
A magnetic nanoparticle (MNT) antenna array, comprising:
- a first plurality of MNT antenna elements arranged in a circle, the first plurality of MNT antenna elements comprising:
- a first MNT antenna element, comprising:
- a first cylindrical core comprising a first plurality of FeCo magnetic nanoparticles, and
- a first wire coil wrapped around the first cylindrical core, and
- a second MNT antenna element, comprising:
- a second cylindrical core comprising a second plurality of FeCo magnetic nanoparticles, and
- a second wire coil wrapped around the second cylindrical core;
- and
- a second plurality of MNT antenna elements arranged in a circle, wherein the second plurality of MNT antenna elements is positioned above the first plurality of MNT antenna elements.
Dependencies are inferred from the claim text.