Extreme‐ultraviolet and x‐ray emission and amplification by nonrelativistic electron beams traversing a superlattice
作者:
A. E. Kaplan,
S. Datta,
期刊:
Applied Physics Letters
(AIP Available online 1984)
卷期:
Volume 44,
issue 7
页码: 661-663
ISSN:0003-6951
年代: 1984
DOI:10.1063/1.94869
出版商: AIP
数据来源: AIP
摘要:
High‐energy electrons emit resonant electromagnetic radiation when passing through a spatially periodic medium. It is conventionally assumed that ultrarelativistic electron beams are required to obtain significant emission. We demonstrate theoretically the feasibility of exploiting solid‐state superlattices with short spatial periods to obtain both spontaneous and stimulated emission in the extreme‐ultraviolet and soft x‐ray range using nonrelativistic beams.
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