期刊
ADVANCED OPTICAL MATERIALS
卷 7, 期 14, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adom.201801666
关键词
Cherenkov radiation; electron-induced emission; metamaterials; metasurfaces; Smith-Purcell radiation
资金
- National Key R&D Program of China [2017YFA0303702]
- National Natural Science Foundation of China [51572225]
A moving charged particle, such as an electron, can radiate light due to the interaction between its Coulomb field and surrounding matter. This phenomenon has spawned great interest in the fields of physics, electron microscopy, optics, biology, and materials science. Since the radiation generated by the charged particles strongly depends on the surrounding matter, artificially engineered materials with exotic electromagnetic and optic properties, including metamaterials and metasurfaces, provide an unprecedented opportunity to tailor the interaction between the charged particle and matter, and ultimately enable to manipulate the radiated light. In this review, the fundamentals of Cherenkov radiation and Smith-Purcell radiation are presented. Subsequently, the recent advances in the control of Cherenkov radiation and Smith-Purcell radiation based on metamaterials and metasurfaces are summarized. Finally, the applications using these two physical phenomena, including electron-driven photon sources and electron accelerators, are discussed in this review.
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