Study of Circular Waveguide Window for Millimeter Wave Transmission Line
Vacuum window is required in the millimeter wave transmission line in ITER*. It is to be designed to minimize the microwave reflection while keeping a robust and safe approach to meet the requirements. We have studied transmission characteristics of various dielectric materials over D-band frequency range (110-170 GHz) using RF Module of COMSOL Multiphysics®. Purpose of this study is to choose dielectric material with minimum transmission attenuation for designing of Circular Wave guide Window. *ITER is an international fusion reactor which is being constructed under the collaborative efforts of seven participating parties (termed as domestic agencies) namely China, European Union, India, Japan, South Korea, Russia and the United States of America.
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