Electronic Resource
Springer
International journal of infrared and millimeter waves
5 (1984), S. 1297-1309
ISSN:
1572-9559
Keywords:
Mode conversion
;
helix-loaded waveguide
;
gyro-TWT
Source:
Springer Online Journal Archives 1860-2000
Topics:
Physics
Notes:
Abstract Forward coupling of a fast TE-like mode is an interesting and desirable option in the gyro-TWT amplifier. We consider in this paper a mode conversion at the abrupt junction of two infinitely long sheath-helix-loaded waveguides. A helix mode traveling from the left to the right side excites fast TE-like modes are numerically calculated by taking dominant terms in the into TE-like modes are numerically calculated by taking dominant terms in the eigenmode-expansion method. The bandwidth (3 dB) for TE-mode-like coupling in the second (right-hand-side) waveguide is found to be over 40$.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF01010053
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