标题： 非辐射共振：使介质结构中产生高效等离子体射流的电偶极子 显示英文标题

标题： Non-Radiating Resonances: Anapoles Enabling Highly-Efficient Plasma Jets within Dielectric Structures

摘要： 等离子体在医学、工业、农业和空间探索等多个领域中发挥着关键作用。 当等离子体与空气相互作用时，会引发独特的化学反应，从而产生稀有且高度受欢迎的活性物质。 通常，为了与空气相互作用而生成等离子体射流，依赖于谐振腔来提高等离子体效率。 在本研究中，我们利用了非辐射源（称为安波勒）这一创新概念，具体利用最低阶多极子，即混合金属-介质结构中的电-电偶极子相互作用。 这种方法增强了近场电场，促进了气体击穿，从而实现了等离子体射流。 实现介电等离子体射流本身就是一个显著的成就，特别是考虑到所采用的开放式结构，该结构能够实现频率调谐。 此外，我们展示的原型在多个关键方面优于现有的等离子体射流技术，包括紧凑性、与平面制造技术的兼容性、功率效率、成本效益、可调性以及电子密度比目前达到的最高水平提高了两倍。 凭借这些显著的改进，我们提出的设备有望彻底改变等离子体源技术的格局，并为探索新应用开辟令人兴奋的途径。 显示英文摘要

摘要： Plasma plays a pivotal role in numerous applications spanning the fields of medicine, industry, agriculture, and space exploration. When plasma interacts with air, it initiates unique chemical reactions, resulting in the creation of rare and highly sought-after reactive species. Typically, the generation of plasma jets for interaction with air relies on resonant cavities to enhance plasma efficiency. In this study, we have harnessed the innovative concept of non-radiating sources, known as anapoles, which utilize the lowest order multipoles specifically, electric-electric dipole interactions within a hybrid metallo-dielectric structure. This approach enhances the near electric field, facilitating gas breakdown for the realization of a plasma jet. The achievement of a dielectric plasma jet is remarkable in its own right, particularly when considering the open structure employed, which enables frequency tuning. Furthermore, the prototype we have demonstrated surpasses existing plasma jet technologies in several key aspects, including compactness, compatibility with planar fabrication techniques, power efficiency, cost-effectiveness, tunability, and a twofold increase in electron density compared to the highest levels achieved to date. With these substantial enhancements, our proposed device is poised to revolutionize the landscape of plasma source technology and open up exciting avenues for exploring novel applications.