Mode selection in pseudoperiodical waveguides and slow-save structures

V. A. Solntsev

doi:10.1117/12.2303239

1 January 1994 Mode selection in pseudoperiodical waveguides and slow-save structures

V. A. Solntsev

Proceedings Volume 2250, International Conference on Millimeter and Submillimeter Waves and Applications 1994; 225066 (1994) https://doi.org/10.1117/12.2303239
Event: Millimeter and Submillimeter Waves and Applications: International Conference, 1994, San Diego, CA, United States

Abstract

A promising way of increasing the power of millimeter wave amplifiers and generators in the application of electron beams with large cross-section area and current, namely, tubular beams, multi-beam electron tubes as well as the application of periodical waveguides and slow-wave structures with the trans- verse dimensions being compared with the wavelength or exceeding it: multi-row slow-wave structures in TWT , a helical waveguide in TWT and others. In this "oversize" structures the existence of a number of competitive modes with spa- tial harmonics which may lead to the parasitic interaction of modes with an electron beam is possible.This paper considers the possibility to select one synchronous spatial harmonic and to suppress others by means of passing over from periodical to "pseudo-periodical" structures.

Citation Download Citation

V. A. Solntsev "Mode selection in pseudoperiodical waveguides and slow-save structures", Proc. SPIE 2250, International Conference on Millimeter and Submillimeter Waves and Applications 1994, 225066 (1 January 1994); https://doi.org/10.1117/12.2303239

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