Photonic processing of microwave signals aims to utilize the many advantages of optical waveguides and devices such as their >THz bandwidth, high EMI tolerance and low weight and volume over traditional microwave devices. These advantages can be best used in the demanding environment of radar systems and even more so in airborne systems. Many radar systems use electronically steered antenna in order to search for targets. raditional phase scanning arrays are limited in there fractional bandwidth and so time scanning arrays are required for large arrays used by radars emitting large bandwidth...