TRANSDUCER STRUCTURE OF WAVE GUIDANCE MODES BASED ON OCTOGONAL SECTIONS

Modes transducer structure (1) pan the conversion of electromagnetic signals between an input waveguide (3, 5) and an output waveguide (2, 4), having said input and output waveguides equal or different geometry. The mode transducer structure (1) comprises a plurality of octagonal guide sections (ot1, ot2 ot3, ot4) concatenated where said octagonal guide sections (ot1, ot2, ot3, ot4) share the same axes of symmetry with each other and with said input waveguide (3, 5) and with said output waveguide (2, 4), and where the geometric parameters of said octagonal guide sections (ot1, ot2, ot3, ot4) are designed and adjusted to progressively conditioning the electromagnetic propagation modes between said input waveguide (3, 5) and said output waveguide (2, 4). It provides a bandwidth superior to that of other previous techniques. In addition, the electric and magnetic symmetry provided by the octagonal structure effectively eliminates the excitation of higher modes. It is applicable in systems of transmission and reception of electromagnetic signals at microwave, millimeter and sub-millimeter frequencies. (Machine-translation by Google Translate, not legally binding)