THE THEORY AND APPLICATION OF SOME TRANSVERSE WAVE INTERACTIONS
STANFORD UNIV CA MICROWAVE LAB
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The results of a theoretical and experimental investigation of transverse-wave couplers, and of frequency doublers employing these couplers in conjunction with a resonant quadrupole circuit, are described. The theory of both traveling wave and resonant couplers is developed in detail so that the significant characteristics of the coupling interactions are described in terms of known quantities. The coupled mode theory was extended to include twisted transverse-wave couplers with a resulting clarification of this important class of interactions. The theory shows that the traveling-wave couplers may have a large bandwidth but generally tend to be quite long due to the low interaction impedance characterizing this type of circuit. Much stronger coupling per unit length is obtained by the use of resonant circuits with a resulting decrease in the length and bandwidth of the coupler. The type of coupler to be used in a particular device depends upon the requirements and restrictions involved. An experimental study of some of the coupling and frequency doubling schemes described in the theoretical analysis was carried out. In the course of this work several new types of transverse-field coupler and quadrupole circuits were investigated and found to be of practical importance. The experimental results were in good qualitative agreement with the theory.
- Electrical and Electronic Equipment
- Radiofrequency Wave Propagation