TY - JOUR A1 - Gómez Tornero, José Luis AU - Martínez López, Sofía AU - Álvarez Melcón , Alejandro T1 - Simple analysis and design of a new leaky-wave directional coupler in hybrid dielectric-waveguide printed-circuit technology Y1 - 2006 SN - 0018-9480 UR - http://hdl.handle.net/10317/662 AB - This paper presents a new theory to analyze and design a novel leaky-wave coupler based on a hybrid dielectric-waveguide printed-circuit technology. The analysis theory is based on a combined method of moments (MoM) geometrical optics (GO) technique, which makes use of the leaky mode complex propagation constant. This MoM–GO approach allows to easily obtain the response of the coupler, and to illustratively understand the working mechanism of the proposed structure. A coupler is designed to work at 5.5 GHz. Leaky mode results are compared with three-dimensional finite-element method simulations, showing the validity and accuracy of the new theory developed. This novel directional coupler presents interesting advantages when compared to previous wave couplers. KW - Teoría de la Señal y las Comunicaciones KW - Acoplador direccional KW - Óptica geométrica KW - Fuga de ondas KW - Método de momentos KW - Directional coupler KW - Geometrical optics (GO) KW - Leaky wave KW - Method of Moments (MOM) LA - eng PB - IEEE Microwave Theory and Techniques Society ER -