Apertured waveguides for electromagnetic wave transmission
In some embodiments, an apertured waveguide includes a wall comprising a plurality of apertures and an interior channel along which electromagnetic waves can propagate, the interior channel being defined at least in part by the wall.
1. An apertured waveguide comprising:
four orthogonal walls that together provide the waveguide with a rectangular cross-section, each wall comprising a plurality of apertures; and
an interior channel along which electromagnetic waves can propagate, the interior channel being defined at least in part by the four orthogonal walls.
2. The waveguide of claim 1 , wherein the walls comprise a metal material.
3. The waveguide of claim 1 , wherein the walls are solid metal walls.
4. The waveguide of claim 1 , wherein each wall has a thickness of approximately 0.2 to 5 mm.
5. The waveguide of claim 1 , wherein the apertures are arranged in parallel rows and parallel columns, each row and each column comprising a plurality of apertures.
6. The waveguide of claim 5 , wherein the rows and columns are perpendicular to each other.
7. The waveguide of claim 1 , wherein each aperture is rectangular in cross-section.
8. The waveguide of claim 1 , wherein each aperture is square in cross-section.
9. The waveguide of claim 1 , wherein each aperture has a cross-sectional dimension of approximately 0.1 to 20 mm.
10. The waveguide of claim 9 , wherein each aperture is spaced from adjacent apertures by a distance of approximately 0.1 to 20 mm.
11. The waveguide of claim 1 , wherein the interior channel is sized and configured to propagate microwaves along its length.
12. The waveguide of claim 1 , wherein the interior channel has a width of approximately 7.1 to 165.1 mm and a height of approximately 3.6 to 82.5 mm.
13. The waveguide of claim 1 , wherein the waveguide is dimensioned so as to be configured to operate as a cavity filter.
14. A method for propagating electromagnetic waves along a waveguide, the method comprising:
providing an apertured waveguide having a rectangular cross-section defined by four orthogonal walls, each wall including a plurality of apertures; and
propagating the electromagnetic waves along an interior channel of the waveguide, the interior channel being defined at least in part by the walls.
15. The method of claim 14 , wherein the waveguide walls are solid metal walls.
16. The method of claim 14 , wherein the waveguide apertures are arranged in parallel rows and parallel columns of the waveguide wall, each row and each column comprising a plurality of apertures.
17. The method of claim 14 , wherein each waveguide wall has a thickness of approximately 0.2 to 5 mm.
18. The method of claim 14 , wherein each waveguide aperture has a cross-sectional dimension of approximately 0.1 to 20 mm.
19. The method of claim 18 , wherein each waveguide aperture is spaced from adjacent waveguide apertures by a distance of approximately 0.1 to 20 mm.
20. An apertured waveguide comprising:
a single wall having a circular or elliptical cross-section, the single wall comprising a plurality of apertures; and
an interior channel along which electromagnetic waves can propagate, the interior channel being defined by the single wall.
21. The waveguide of claim 20 , wherein the single wall is a solid metal wall.
22. The waveguide of claim 20 , wherein the single wall has a thickness of approximately 0.2 to 5 mm.
23. The waveguide of claim 20 , wherein the waveguide apertures are arranged in parallel rows and parallel columns of the waveguide wall, each row and each column comprising a plurality of apertures.
24. The waveguide of claim 20 , wherein each waveguide aperture has a cross-sectional dimension of approximately 0.1 to 20 mm and wherein each waveguide aperture is spaced from adjacent waveguide apertures by a distance of approximately 0.1 to 20 mm.
25. A method for propagating electromagnetic waves along a waveguide, the method comprising:
providing an apertured waveguide having a single wall having a circular or elliptical cross-section, the single wall comprising a plurality of apertures; and
propagating the electromagnetic waves along an interior channel of the waveguide, the interior channel being defined at least in part by the walls.
26. The method of claim 25 , wherein the waveguide walls are solid metal walls.
27. The method of claim 25 , wherein the waveguide apertures are arranged in parallel rows and parallel columns of the waveguide wall, each row and each column comprising a plurality of apertures.
28. The method of claim 25 , wherein the waveguide wall has a thickness of approximately 0.2 to 5 mm.
29. The method of claim 25 , wherein each waveguide aperture has a cross-sectional dimension of approximately 0.1 to 20 mm.
30. The method of claim 29 , wherein each waveguide aperture is spaced from adjacent waveguide apertures by a distance of approximately 0.1 to 20 mm.