On the propagation constant of higher order modes in a cylindrical waveguide
β Scribed by J. Kergomard; M. Bruneau; A.M. Bruneau; Ph. Herzog
- Publisher
- Elsevier Science
- Year
- 1988
- Tongue
- English
- Weight
- 237 KB
- Volume
- 126
- Category
- Article
- ISSN
- 0022-460X
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π SIMILAR VOLUMES
## Abstract A simple and efficient variation method is presented in this letter, which is employed to calculate the resonant frequencies of LS higher order modes in a dielectrically loaded grooved waveguide. Emphasis is placed on the calculation of the resonant frequencies of LSE~11~ and LSM~11~ mo
## Communicated by P. Werner We consider a domain f2 in R" of the form R = R' x R' with bounded R' c W-'. In f2 we study the Dirichlet initial and boundary value problem for the equation a t u + [(-a: -. . . -a:)"'+, (-a:+l -\* . \* -aX)"]u = fe-'"I. We show that resonances can occur if 2m 3 1. In
## Abstract __The use of E__ __mode in an insulated image guide is proposed. This mode has much lower conductor loss than the fundamental, E__ __mode. The electric field of the mode is primarily parallel to the metal groundβplane; therefore, the mode can be efficiently excited with a compact dipole