Dispersion correcting waveguide

Details Dispersion correcting waveguide Dispersion correcting waveguide

1981-12-17

1984-07-03

Gensler, Paul L.

Wave transmission lines and networks

Long line elements and components

Waveguide elements and components

333157, H01P 500

Patent

active

044582293

ABSTRACT:
A waveguide dimensioned for fundamental mode operation over a given frequency range is rendered substantially dispersionless by including within the waveguide a thin dielectric slab extending parallel to the E-field of the fundamental mode and having a dielectric constant of at least 4 and a thickness across the E-field ranging between 0.01 and 0.25 guide wavelengths at the center frequency of the given range. Appropriate thicknesses for a dielectric member having a given dielectric constant can be selected to provide overcompensation. The series connection of appropriate lengths of an overcompensated waveguide and uncompensated waveguide yield an overall waveguide having a substantially dispersionless characteristic.

REFERENCES:
patent: 2599753 (1952-06-01), Fox
Simons, Fin Line with a Variable Characteristic, Proc. of the IEEE, vol. 68, No. 1, Jan. 1980, pp. 170, 171.

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