Microwave propagation mode transformer

Details Microwave propagation mode transformer Microwave propagation mode transformer

1984-03-14

1987-01-13

Chatmon, Saxfield

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Combined cathode ray tube and circuit element structure

315 5, 333 21R, 372 2, H01J 2500

Patent

active

046366890

ABSTRACT:
This transformer (9) is formed by a waveguide, of approximately elliptical cross-section, and with increasing eccentricity (e) along the axis (z) of the transformer. This transformer (9) is connected on one side to the cavity (1) of a gyrotron (11) and on the other side to a section of guide (13) having the same cross-section as the final cross-section of the transformer and of which the cross-section is constant along the axis (z) of the transformer.
The transformer receives from the gyrotron cavity a complex mode, of TE.sub.on type, and changes said mode into a mode in which the electrical field is approximately parallel to a given direction (z). A system of two mirrors (M.sub.3 and M.sub.4) enables a single beam of plane waves (19) to be obtained from the two beams of plane waves (14 and 15) obtained at the output of the section of waveguide (13).

REFERENCES:
patent: 2923903 (1960-02-01), Fox
patent: 3710258 (1973-01-01), Strenglein
patent: 3818383 (1974-06-01), Willis
patent: 4306174 (1981-12-01), Mourier
patent: 4311973 (1982-01-01), Nuding et al.
patent: 4356430 (1982-10-01), Stone et al.
patent: 4398121 (1983-08-01), Chodorow et al.
IEEE Transactions on Microwave Theory and Techniques, vol. MTT-15, No. 2, T. Nakahara et al. "Guided Beam Waves Between Parallel Concave Reflectors".

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