Design Optimization of Metamaterial Millimetre Wave Absorber for High TemperatureApplications
- Pranjal Dutta1, *Utpal Jyoti Mahanta2, Jyoti Prasad Gogoi3, Pankaj Bora1
1Department of Physics,
Kaziranga University, Jorhat, 785006, India
2Department of Physics,
Sibsagar College, Joysagar
3Department of Physics,
DKD college, Dergaon, 785614, India,
In this present work, a theoretical study on design optimization of metamterial absorber in the frequency ranges 80 GHz to 220 GHz is carried out using CST microwave studio considering high temperature sustainable components materials viz. Alumina, Tungsten, tantalum and molybdenum. Meta-material unit cell structure is made up of coaxial dual ring shape of variable radius and characterized for scattering parameters in the required frequencyranges. Apromisingsimulatedreturn loss value ~-30dB is observed for the different designs and the values can be tuned by varying the dimension of the ring size as well as varying the dielectric materials properties.
Key words: Metamaterial, High temperature, EMI shielding, Transmission line theory.
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Journal of Frontline Research (Arts & Science)Sibsagar College, Joysagar P.O. & District - SivasagarPin - 785665Assam, India
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