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ABSTRACT
A cavity model-based analysis of electric field propagation inside a six-port Riblet-type directional coupler has been presented in this paper. Though cavity modeling technique is not very new and was previously applied to different rectangular waveguide-based passive networks to find their network parameters, for the first time it has been used here to analyze the field propagation inside a six-port Riblet-type directional coupler. From the analysis, the frequency response of the network has been estimated. Since the main objective of this work is to analyze the field propagation inside a passive network, not to present another network, a six-port Riblet-type directional coupler that is already proposed in literature has been considered. The numerical analysis has been verified by comparing the scattering parameters data obtained from the cavity model analysis with CST Microwave Studio simulation data and measured data available in the literature.
Acknowledgements
The authors would like to thank Dr. Sushrut Das, Associate Professor, Department of Electronics Engineering, Indian Institute of Technology (Indian School of Mines) Dhanbad for his suggestions during this work.
Disclosure statement
No potential conflict of interest was reported by the authors.
Additional information
Notes on contributors
Ashmi Chakraborty Das
Ashmi Chakraborty Das obtained her BE degree in electronics and telecommunication engineering from the BPUT, Orissa, India (2003) and MTech degree in mechatronics from NITTTR Kolkata, India (2010). She has worked as a project assistant at IIT Kharagpur, India from 2003 to 2007. In 2007 she joined Asansol Engineering College, Asansol, India as a lecturer, where she is now an assistant professor. Her area of specialization includes electromagnetics, antennas, microwave circuits, and numerical techniques in electromagnetics. She is also a part time research scholar in the Department of Electronics Engineering, IIT (ISM) Dhanbad. Email: [email protected]
Santanu Dwari
Santanu Dwari was born in Howrah, West Bengal, India. He received his BTech and MTech degree in radio physics and electronics from University of Calcutta, Kolkata, West Bengal, India in the year of 2000 and 2002 respectively and PhD degree from Indian Institute of Technology, Kharagpur, West Bengal, India in the year of 2009. He joined Indian Institute of Technology (Indian School of Mines), Dhanbad, Jharkhand, India in 2008, where he is currently an Assistant Professor in the Department of Electronics Engineering. He has published research papers in many reputed International Journals. His research interest includes antennas, RF planar circuits, computational electromagnetic. Email: [email protected]
Sonika Priyadarsini Biswal
Sonika Priyadarsini Biswal received her MTech in electronics and communication engineering from Institute of Technical Education and Research, Bhubaneswar, India, in 2014 and BTech in electronics and telecommunication from College of Engineering, Bhubaneswar, India, in 2012. She is currently pursuing her PhD in the Department of Electronics Engineering, Indian Institute of Technology (ISM), Dhanbad, India. Her area of specialization includes UWB antennas, PIFA antenna, electromagnetics and her recent research activities are focused on MIMO antenna design. She is a student member of IEEE.