12月28日，由中国科学院合肥物质科学研究院等离子体物理研究所承担的国际热核聚变实验堆 （ITER）校正场线圈采购包，在合肥完成全部制造任务并交付。最后一批4个线圈的竣工，标志着该项 目圆满收官。 据了解，ITER校正场线圈共有三组18个线圈，分别均匀分布于ITER装置主机的顶部、中部、底部 三个区域，是ITER装置主机最重要的磁体系统之一。校正场线圈能否成功研制并如期完成安装，直接 影响ITER装置等离子体运行参数。 ITER校正场线圈采购包由中国100%自主研发和制造，项目团队历时15年攻关并竣工交付，还同步 构建了涵盖标准、专利及多个专业实验室的研发支撑体系，为我国聚变领域的基础研究和应用提供有力 支撑。 校正场线圈采购包部分线圈 校正场线圈采购包部分线圈 ...

2025年12月28日，中国科学院合肥物质科学研究院等离子体物理研究所承担的国际热核聚变实验堆 （ITER）校正场线圈采购包，完成全部的制造任务，最后4个线圈顺利竣工交付。 该校正场线圈共有三组18个线圈，分别均匀分布于ITER装置主机的顶部、中部、底部三个区域， 是ITER装置主机最重要的磁体系统之一。校正场线圈能否成功研制并如期完成安装，直接影响ITER装 置等离子体运行参数。 据介绍，ITER校正场线圈采购包由中国100%自主研发和制造，项目团队历时15年攻关并竣工交 付。项目团队还同步构建了涵盖标准、专利及多个专业实验室的研发支撑体系，为中国聚变领域的基础 研究和应用提供有力支撑。 中国科学院合肥物质科学研究院等离子体物理研究所作为ITER中国工作组重要单位之一，承担了 超导导体、校正场线圈、磁体馈线、电源、诊断等众多采购包和工程总装以及数十项现金合同，占中国 承担ITER份额的绝大部分。 ...

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]