高功率电磁波源及其系统研讨活动在京举办

Core Insights - The seminar on high-power electromagnetic wave sources and systems was held in Beijing, supported by the China Association for Science and Technology and organized by the China Society of Technology Economics, with participation from over 20 experts from universities, research institutes, and enterprises [1] Group 1: Research and Development Progress - The seminar featured key reports, including one by Professor Gong Yubin from the University of Electronic Science and Technology, discussing advancements in terahertz radiation sources based on two-dimensional electron gas and micro vacuum electronic terahertz sources [1] - Chief Scientist Feng Jinjun from China Electronics Technology Group Corporation shared research results on millimeter-wave terahertz traveling wave tubes and their applications in high-speed wireless communication and satellite radar [1] - Professor He Wenlong presented on the development of megawatt high-power cyclotron tubes for nuclear fusion heating, highlighting progress in terahertz cyclotron amplifiers and free electron extreme ultraviolet lasers [1][2] Group 2: Key Challenges and Innovations - Terahertz wave sources face challenges such as insufficient output power, limited bandwidth, and poor system stability, which restrict their application in high-end research and engineering [2] - The team achieved significant progress by introducing helical waveguide technology, resulting in a high-power (10 kW) and wideband (20 GHz) traveling wave amplifier design [2] - The megawatt-level long-pulse cyclotron tube designed for nuclear fusion represents a core technological breakthrough, marking the first successful application in this field in China [2] Group 3: Expert Recommendations and Future Directions - Experts emphasized the importance of finding key applications for high-power electromagnetic wave sources in healthcare and other industries [3] - Recommendations included accelerating technology iteration and industrialization, fostering interdisciplinary talent development, and enhancing collaboration within the industry to promote the overall development of high-power electromagnetic wave source technology in China [3][4] - Future research should focus on disruptive technologies with significant industrial applications, such as laser-driven free electron extreme ultraviolet lasers and medical high-gradient accelerators, while promoting the integration of research, education, and application [4]