Enhancing Relativistic Backward Wave Oscillator performance: Addressing Power and Frequency Constraints and Tuning Challenges
Abstract
The study of high-power microwaves (HPM) is critical in numerous fields: it drives advancements in defense with non-lethal weapons and electronic warfare, sparks innovation in industrial and medical sectors with applications like efficient processing and cancer treatment, improves communication and radar technologies, enhances electronic device safety by understanding electromagnetic interference, and expands scientific knowledge in electromagnetic phenomena. This broad impact underlies HPM#s importance in both application and theory. Moreover, exploring gigawatt-level HPM with ultrashort pulses uncovers vital phenomena, especially key in defense, which require further basic research.Within this context, the Relativistic Backward Wave Oscillator (RBWO) stands out in HPM technology. Its capability to generate intense microwaves using relativistic electron beams#electrons traveling near the speed of light#allowsfor efficient handling of high-power levels. RBWOs are uniquely characterized by their backward-wave interaction, where electromagnetic waves travel in the opposite direction to the electron beam, facilitating efficient high-frequency microwave generation. Their potential for a broad tuning range and compact design renders them highly versatile, applicable in military and scientific research settings.
Document Details
- Document Type
- DoD Grant Award
- Publication Date
- Feb 24, 2025
- Source ID
- N629092512009
Entities
People
- Gun-Sik Park
Organizations
- Office of Naval Research
- Seoul National University
- United States Navy