Abstract
A tunable reflectarray is proposed for operation in the C band. Reflectarrays are structures comprised of unit cells that are much smaller than the operational wavelength. For incident waves, the structure appears as a surface which has a permittivity and permeability that are unnatural. This design allows tuning of the surface characteristics by changing bias voltages to varactor diodes that are connecting each unit cell. It is shown that setting the surface characteristics in a particular pattern allows for beam steering of the reflection. A major blockage to implementing reflectarrays is the design cost. This project describes the design process in detail and provides a script for rapid prototyping.