| 20110280518 | PHOTONIC CHOKE-JOINTS FOR DUAL POLARIZATION WAVEGUIDES - A waveguide structure for a dual polarization waveguide includes a first flange member, a second flange member, and a waveguide member disposed in each of the first flange member and second flange member. The first flange member and the second flange member are configured to be coupled together in a spaced-apart relationship separated by a gap. The first flange member has a substantially smooth surface, and the second flange member has an array of two-dimensional pillar structures formed therein. | 11-17-2011 |
