Sembiam R. RengarajanSembiam R. Rengarajan is a Professor at California State University, Northridge, USA. In addition to teaching electromagnetics and antenna courses, he has performed significant research in topics on applications of electromagnetics to antennas, scattring, and microwave components. Much of his research has dealt with slotted waveguide array antennas. He has published more than 240 journal articles and conference presentations, and serves as the Chair of USNC-URSI. Read More Read Less