Slot Waveguide Mode
A circularly polarized waveguide slot array includes first and second waveguide sections, the first waveguide section extending along a longitudinal axis, and including an antenna element for transmitting or receiving a circularly polarized signal. The second waveguide slot section is coupled side-to-side with the first waveguide slot section and extends along the longitudinal axis, the second. The proposed slot waveguide consists of a vertical slot structure placed above a silicon slab, with a low- index buffer layer between them to construct a T-shaped slot region. Such a T-shaped slot waveguide could be realized by using similar fabrication methods of the conventional slot waveguides.
llchuan
Newbie level 6
Slab Waveguide Mode Calculator
Strip-slot waveguide coupling though this mode converter has a measured efficiency of 97% (-0.13 dB), and the dimensions are as small as 1.24×6 μm. Further analysis shows that the proposed converter is highly tolerant to fabrication imperfections, and is wavelength-insensitive.
Slot Waveguide Modes
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Circular Waveguide Mode Calculator
hi all
i'm simulating a circular waveguide using hfss that has a T slot in order to generate a circular polarized wave. However I need 2 excitations that can excite both slots. I'm thinking of using TE01 and TM01 mode to do so. However i have read that it is nearly impossible to propogate a TE01 mode in a circular waveguide.
Is there any suggestion on other ways to achieve circular polarization in a circular waveguide?