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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2019-06-25
WC-281 Circular Waveguide Terminator Essential in Microwave Plasma Interaction Experiments for SYMPLE
By
Jitendra Kumar,

    Dr. Jitendra Kumar

    MWCRD

    Muwaves Components Research and Development Pvt. Ltd.

    India

    Homepage

Raj Singh,

    Dr. Raj Singh

    Institute for Plasma Research

    India

    Homepage

V. P. Anitha

    Dr. V. P. Anitha

    Institute for Plasma Research

    India

    Homepage

Progress In Electromagnetics Research M, Vol. 82, 85-94, 2019
doi:10.2528/PIERM19032903 | Google Scholar

Abstract
This work presents the novel design and development of a WC-281 circular waveguide terminator or termination for microwave plasma interaction experiments. Final waveguide terminator is designed by using the quad wedge of FR4, cone of resistive material Kanthal and Teflon discs. Kanthal is a composition of aluminium, chromium, and iron. Wedge shape geometry helps in gradually changing the impedance and thus decreasing the return loss, while resistive material Kanthal attenuates the field before reaching the receiving end. This makes it suitable for use as the finest microwave termination. Simulation is carried out by CST microwave studio. The final model of terminator decreases the reflection coefficient (S11) up to -40 dB while reduces the transmission coefficient (S21) immensely up to -63 dB at 2.85 GHz.
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Citation
Jitendra Kumar, Raj Singh, and V. P. Anitha, "WC-281 Circular Waveguide Terminator Essential in Microwave Plasma Interaction Experiments for SYMPLE," Progress In Electromagnetics Research M, Vol. 82, 85-94, 2019.
doi:10.2528/PIERM19032903
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