Composite dipole array
First Claim
1. A linear dipole array comprising:
- a plurality of dipoles arranged end-to-end and defining a generally one-dimensional linear array, wherein all of the dipoles are substantially identical; and
a non-linear resonant circuit electrically interconnecting ends of corresponding adjacent dipoles throughout the linear dipole array such that a serial path is formed through all of the dipoles and the non-linear resonant circuits within the linear dipole array, wherein the linear dipole array forms a macro-dipole antenna, and wherein the dipoles are resonant at a higher frequency than a resonant frequency of the macro-dipole antenna.
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Abstract
Methods and systems for generating and imaging THz electromagnetic radiation using a composite dipole array made up of novel structures of non-linear dipole strings with dual frequency resonances for frequency up conversion and frequency down conversion are disclosed. THz electromagnetic radiation resulting from the frequency down conversion process can be used as an illumination source for imaging, as a carrier for communications, or as an energy source for spectroscopy, for example. Optical electromagnetic radiation resulting from the frequency up conversion process can be used to form images from THz electromagnetic radiation for contraband detection, guidance systems, and medical applications, for example.
38 Citations
34 Claims
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1. A linear dipole array comprising:
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a plurality of dipoles arranged end-to-end and defining a generally one-dimensional linear array, wherein all of the dipoles are substantially identical; and a non-linear resonant circuit electrically interconnecting ends of corresponding adjacent dipoles throughout the linear dipole array such that a serial path is formed through all of the dipoles and the non-linear resonant circuits within the linear dipole array, wherein the linear dipole array forms a macro-dipole antenna, and wherein the dipoles are resonant at a higher frequency than a resonant frequency of the macro-dipole antenna. - View Dependent Claims (2, 3)
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4. A composite dipole array comprising:
a plurality of linear dipole arrays defining a generally planar array, each of the linear dipole arrays comprising; a plurality of dipoles defining a generally linear array, wherein all of the dipoles are substantially identical; and a non-linear resonant circuit electrically interconnecting corresponding adjacent dipoles within the linear dipole array such that a serial path is formed through all of the dipoles and the non-linear resonant circuits within the linear dipole array, wherein each of the linear dipole arrays forms a macro-dipole antenna, and wherein the dipoles are resonant at a higher frequency than a resonant frequency of the macro-dipole antenna. - View Dependent Claims (5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
- 31. A method for forming a linear dipole array, the method comprising forming a plurality of non-linear resonant circuits intermediate a corresponding plurality of pairs of substantially identical adjacent dipoles such that a serial path is formed through all of the dipoles and the non-linear resonant circuits within the linear dipole array, wherein the linear dipole array forms a macro-dipole antenna, and wherein the dipoles are resonant at a higher frequency than a resonant frequency of the macro-dipole antenna.
Specification