Microwave Vacuum Electronic Devices: Enabling Concepts covers vacuum electronic devices (VEDs) operating in the microwave to terahertz frequency regime. The book aims to equip students, teachers, scientists, and engineers with an understanding of the concepts and physical principles underpinning VEDs. VEDs have manifold applications in technologies used in defense, civilian, medical, scientific, and industrial sectors. The authors build confidence among the readers seeking to desi...