Repozytorium publikacji - Politechnika Gdańska

In this paper, a novel design for rectangular waveguide filters with deformed dual-mode (DM) cavity resonators is demonstrated. The new resonant cavity shape is a result of applying shape deformation to the basic rectangular cavity to enable its dual-mode operation. Internal coupling between the two orthogonal cavity modes is realized by geometry deformation, eliminating the need for additional coupling elements. The designs are developed within the constraints of 3-D printing to allow their fabrication in one piece. In addition, the design method used results in models with smooth surfaces, which is highly desirable for high-power and low-loss applications. A deformed DM cavity is analyzed and a single cavity second-order filter is designed and presented. Finally, two types of fourth-order filters with transmission zeros are designed by combining two deformed DM cavities and their performance is verified experimentally by a 3D-printed prototype.

Autorzy

• mgr inż. Michał Baranowski link otwiera się w nowej karcie ,
• dr. inż. Łukasz Balewski,
• dr hab. inż. Adam Lamęcki link otwiera się w nowej karcie ,
• prof. dr hab. inż. Michał Mrozowski link otwiera się w nowej karcie