Power-handling capabilities of circular dielectric waveguide at millimeter wavelengths
Abstract
The power-handling capabilities of a circular dielectric wave-guide propagating the single He(11) mode are discussed. Simple calculations illustrate the limits imposed by dielectric heating and dielectric breakdown. Examples are presented for polystyrene and polytetrafluoroethylene (PTFE) guides at 70 GHz. The results suggest that maximum power levels for circular dielectric waveguide in the millimeter-wave spectrum will be of the orders of 10 to 100 W and that dielectric heating is the limiting phenomenon.
- Publication:
-
IEEE Transactions on Microwave Theory Techniques
- Pub Date:
- February 1985
- DOI:
- 10.1109/TMTT.1985.1132954
- Bibcode:
- 1985ITMTT..33...85J
- Keywords:
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- Circular Waveguides;
- Dielectrics;
- Millimeter Waves;
- Power Conditioning;
- Propagation Modes;
- Fluoro Compounds;
- Polyethylenes;
- Polystyrene;
- Radio Frequency Heating;
- Electronics and Electrical Engineering