Thin planar lenses that shape antenna wavefronts to improve gain and support multiple beams. The work explores metasurface and anisotropic designs for low-profile MIMO systems.
Reconfigurable Metasurfaces
Planar electromagnetic structures for wave control, including reconfigurable surfaces, absorbers, and polarization conversion for communication and sensing.
Beamforming and MIMO Antennas
Compact and high-gain antennas with multiple ports, switched beams, and steerable radiation patterns for microwave and millimetre-wave communication.
Microwave Imaging and Sensing Systems
Frequency-diverse antennas and computational imaging methods for dielectric contrast mapping and non-contact sensing.
RF and Microwave Circuits
Microwave components that combine filtering, radiation, reconfiguration, and energy harvesting for wireless and sensing applications.
Metamaterials and Anisotropic Media
Engineered media for phase correction, enhanced aperture efficiency, and the routing of electromagnetic waves.
Funded research
Development of Frequency-Diverse Microwave Imaging System for Dielectric Contrast Mapping
This project combines frequency-diverse antenna design with computational reconstruction to study dielectric contrast via microwave imaging.
Funding agency
Anusandhan National Research Foundation (ANRF)
Scheme
PM Early Career Research Grant
Role
Principal Investigator
Grant
₹60.24 lakh
Research in focus
Thin planar metasurface lens
A thin resonator-based lens shapes the fields from a three-port antenna array into beams directed along different angles.
Lens concept, fabricated prototype, and radiation pattern.