This book presents different design strategies for Electromagnetic (EM) absorbers and polarization converters over microwave to millimeter-wave frequencies. Different topologies of EM absorbers and polarization converters have been discussed considering present state-of-the-art applications for defense and wireless communication. The book provides major design guidelines for the development of metamaterial inspired multi-band, broadband and reconfigurable absorbers and polarization converters. In the book, detailed performance analysis of absorbers and polarization converters are discussed, that includes triple band to undeca-bands absorbers, broadband absorber over the X-Ka bands, reconfigurable absorber with bandpass filtering, multiband reflective polarizers, broadband linear-cross and circular-circular polarizers and reconfigurable linear-circular and linear-cross polarization converter. It takes multiple iterations, extensive characterizations to conclude with different novel configurations of the structures. The book also discusses multiple design configurations of absorbers and polarization converters over the THz regime. The book concludes with future research activities of EM metamaterial structures with major focus on the reconfigurable intelligent surfaces for wireless communication.
Introduction to electromagnetic metamaterials.- Multi band
electromagnetic absorbers.- Broadband electromagnetic absorbers.-
Reconfigurable electromagnetic absorbers.- Multi band polarization
converters.- Broadband polarization converters.- Reconfigurable polarization
converters.- Reconfigurable intelligent surface.- Absorbers and polarization
converters at thz regime.- Future scopes of em absorbers and polarization
converters.- Appendix.- Index.
Dr. Sukomal Dey is an Associate Professor at the Indian Institute of Technology, Palakkad. His research interests include RF MEMS, Microwave, to Sub-millimeter wave Metamaterial Structures, and Microwave Integrated Circuits including Antennas. Dr. Mohammad Abdul Shukoor obtained his Ph.D from the Department of Electrical Engineering, Indian Institute of Technology Palakkad, Kerala. He is now working at Indian Institute of Technology Roorkee, India as a Post-doctorate Fellow. His current research interests include metamaterial-based absorbers, FSS, and polarization converters. Dr. Shiban K Koul is a Honorary Professor at the Indian Institute of Technology, Delhi. His research interests include: RF MEMS, High Frequency Wireless Communication, Microwave Engineering, Microwave Passive and Active Circuits, Device modeling, Millimeter wave IC Design, and Reconfigurable Microwave Circuits including Antennas. He has successfully completed 38 major sponsored projects, 52 consultancy projects and 60 technology development projects. He is the Chief Editor of IETE Journal of Research, Associate Editor of the International Journal of Microwave and Wireless Technologies, Cambridge University Press. He served as a Distinguished Microwave Lecturer of IEEE MTT-S for the period 2012-2014. He is recipient of numerous awards including IEEE MTT Society Distinguished Educator Award (2014); Teaching Excellence Award (2012) from IIT Delhi etc. and Life Time Achievement Award from IETE, India (2023).
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