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Study of Reflection Loss In Ku Band By CNM Decorated With Metal Nano Particles

Abstract: The study of microwave absorption and thus reflection loss in Ku band has received much attention recent years. 12 – 18 GHz microwave frequency band mainly used for tracking of military objects through radar i.e stealth technology of aircraft anti radar detection and wireless, satellite communication applications. Carbon nanomaterials (80-90 nm) decorated with metal nanomaterials (40-50 nm) were synthesized from plant-based precursors using Taguchi optimization methodology. The samples under study showed reflection loss to the extent of -37.11 dB at 14.31 GHz and -34.78 dB at 17.76 GHz whereas, -5 dB RL was observed throughout the Ku band frequency range and importantly in most cases the samples showed -10 dB loss for 1 GHz bandwidth in the 14-15 GHz and 17-18 GHz frequency range. Thus, the synthesized materials could be a good microwave absorbing candidate for particularly 14-15 GHz and 17-18 GHz microwave frequency range bandwidth.