Dual polarization waveguide probe system with wedge shape polarization rotator
US7215222B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 18, 2005 |
| Grant date | May 8, 2007 |
| Priority date | — |
| Expiry date | Feb 18, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01P1/165
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
There is disclosed herein a waveguide rotator for use with a dual polarization waveguide probe system. The waveguide has an internal structure that protrudes into the waveguide such that a first orthogonal component of the incident polarized signal propagates to the end of the waveguide and is reflected therefrom and the second orthogonally polarized component is cut-off by the protruding structure which narrows the waveguide, at a distance from a short circuit at the end of the waveguide, and is reflected substantially at the cut-off point, the cut-off point being frequency dependant. At some predetermined distance from the reflecting means and the cut-off point, the first component and the second component are recombined such that the polarization of the recombined structure is rotated 90° from the incident polarization. The protruding interior surface creates a pocket or cavity behind the waveguide into which components from a circuit board can be inserted.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.