Waveguide system comprising a scattering device for generating a second non-fundamental wave mode from a first non-fundamental wave mode

Patent metadata

Field	Value
Publication number	US-11223098-B2
Application number	US-201916703531-A
Country	US
Kind code	B2
Filing date	Dec 4, 2019
Priority date	Dec 4, 2019
Publication date	Jan 11, 2022
Grant date	Jan 11, 2022

Abstract

Aspects of the subject disclosure may include, a system that facilitates directing a first electromagnetic wave to a device positioned along a transmission medium, the device facilitating a perturbation of the first electromagnetic wave, and the first electromagnetic wave having a first field intensity near an outer surface of the transmission medium, and generating, by the device, a second electromagnetic wave having a second field intensity near the outer surface of the transmission medium that is lower than the first field intensity of the first electromagnetic wave. Other embodiments are disclosed.

First claim

What is claimed is:

1. A method, comprising:
generating, by a waveguide system, a first electromagnetic wave having a first non-fundamental wave mode and a first field intensity near an outer surface of a transmission medium;
directing, by the waveguide system, the first electromagnetic wave to a scattering device having a symmetric structure positioned along the transmission medium; and
generating, by the scattering device, a second electromagnetic wave having a second non-fundamental wave mode and a second field intensity near the outer surface of the transmission medium that is lower than the first field intensity of the first electromagnetic wave, the second electromagnetic wave propagating along the transmission medium without relying on an electrical return path to facilitate propagation of the second electromagnetic wave along the transmission medium.

2. The method of claim 1 , wherein the scattering device has an azimuthal variation that causes the second field intensity of the second electromagnetic wave to be lower near the outer surface of the transmission medium than the first field intensity of the first electromagnetic wave near the outer surface of the transmission medium.

3. The method of claim 1 , wherein the scattering device has a radial dimension that causes the second field intensity of the second electromagnetic wave to be lower near the outer surface of the transmission medium than the first field intensity of the first electromagnetic wave near the outer surface of the transmission medium.

4. The method of claim 1 , wherein the scattering device comprises a movable first scattering component and a movable second scattering component placed about an axis of the transmission medium.

5. The method of claim 1 , wherein the scattering device comprises a plurality of scattering components with a cascading variable thickness.

6. The method of claim 5 , wherein the cascading variable thickness increases for the plurality of scattering components in a direction longitudinally away from the waveguide system.

7. The method of claim 5 , wherein the plurality of scattering components are cascaded along the transmission medium.

8. The method of claim 5 , wherein the plurality of scattering components are separated along the transmission medium by a factor of a wavelength of the first electromagnetic wave when traversing the plurality of scattering components.

9. The method of claim 1 , wherein the scattering device facilitates modifying a phase of the first electromagnetic wave.

10. The method of claim 1 , wherein the scattering device facilitates adjusting a field of the first electromagnetic wave thereby modifying the first non-fundamental wave mode of the first electromagnetic wave, and wherein the modifying the first non-fundamental wave mode of the first electromagnetic wave generates the second electromagnetic wave having the second non-fundamental wave mode.

11. A machine-readable medium, comprising executable instructions that, when executed by a processing system associated with a waveguide system, facilitate performance of operations, the operations comprising:
receiving, by the processing system, a second electromagnetic wave generated by one or more scattering components of a scattering device that adjust a first electromagnetic wave propagating along a transmission medium, the one or more scattering components positioned along an outer surface of the transmission medium, wherein a first field of the first electromagnetic wave near the outer surface of the transmission medium is lower than a second field of the second electromagnetic wave near the outer surface of the transmission medium, and wherein the first electromagnetic wave conveys data; and
obtaining the data from the second electromagnetic wave.

12. The machine-readable medium of claim 11 , wherein the one or more scattering components are separated uniformly or nonuniformly from each other.

13. The machine-readable medium of claim 11 , wherein the processing system comprises a plurality of processors operating in a distributed computing environment.

14. The machine-readable medium of claim 11 , wherein the one or more scattering components comprise a dielectric material, a metallic material, or combination thereof.

15. The machine-readable medium of claim 11 , wherein the one or more scattering components are configured to adjust an azimuthal variation of a field of the first electromagnetic wave to generate the second electromagnetic wave.

16. A waveguide system, comprising:
a scattering device positioned along a transmission medium comprising a plurality of scattering components;
a processing system including a processor; and
a memory that stores executable instructions that, when executed by the processing system, facilitate performance of operations, the operations comprising:
generating a first electromagnetic wave having a first field intensity near an outer surface of the transmission medium, wherein the transmission medium directed the first electromagnetic wave to the scattering device; and

adjusting positions of the scattering components of the scattering device to generate a second electromagnetic wave having a second field intensity near the outer surface of the transmission medium that differs from the first field intensity of the first electromagnetic wave near the outer surface of the transmission medium, the second electromagnetic wave propagating along the transmission medium without relying on an electrical return path to facilitate propagation of the second electromagnetic wave along the transmission medium.

17. The waveguide system of claim 16 , wherein the scattering device comprises a dielectric material, a metallic material, or combination thereof, and wherein the plurality of scattering components are separated uniformly or nonuniformly from each other.

18. The waveguide system of claim 17 , wherein the second field intensity near the outer surface of the transmission medium exceeds the first field intensity near the outer surface of the transmission medium.

19. The waveguide system of claim 16 , wherein a field of the first electromagnetic wave has an azimuthal variation.

20. The waveguide system of claim 16 , wherein a field of the first electromagnetic wave has no azimuthal variation.

Assignees

• At & T Ip I Lp

Inventors

• Henry Paul Shala
• Vannucci Giovanni
• Wolniansky Peter
• Willis Iii Thomas M
• Bennett Robert
• Barzegar Farhad
• Gerszberg Irwin
• Barnickel Donald J

Classifications

• H01P3/10 Primary

  Wire waveguides, i.e. with a single solid longitudinal conductor · CPC title

• H04B3/58

  Repeater circuits · CPC title

• H04B3/56

  Circuits for coupling, blocking, or by-passing of signals · CPC title

• H01Q13/02

  Waveguide horns · CPC title

• H01Q1/246

  specially adapted for base stations · CPC title