Optical true time delay (OTTD) techniques are promising for squint-free beam steering of RF/ microwave phased array antennas (PAAs) that have wide frequency bandwidth, are compact in size, lightweight, and are not prone to electromagnetic interference. This book is an excellent reference for the topics related to wideband beam-steering arrays with optical true time delay Engine. At a glance, this book includes • In depth discussion on the feasibility of using large-mode-area (LMA) photonic crystal fibers (PCF) as delay elements in White cell OTTD to produce delays with optimum loss and volume. • Presents a unique insight to the challenges and solutions both in the RF and optical domains for the efficient demonstration of beam-steering. • Provides numerous numerical simulations for both optical and RF systems for optimal design characterization. • Integrates Wideband RF antennas with the Optical TTD engines to optimize the losses of the hybrid system. • Detailed experimental setup for optical systems, system alignment steps and design of array for laboratory demonstration.

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