Transition undulator radiation as bright infrared source
Journal Article
·
· Physical Review Letters
- Lawrence Berkeley Laboratory, Berkeley, California 94720 (United States)
Undulator radiation contains, in addition to the usual component with narrow spectral features, a broadband component in the low frequency region emitted in the near forward direction, peaked at an angle 1/{gamma}, with {gamma} the relativistic factor. This component is caused by a sudden change in the electron{close_quote}s longitudinal velocity as it enters and leaves the undulator and is referred to as the transition undulator radiation, as its characteristics are very similar to the well-known transition radiation. The transition undulator radiation is potentially a bright, intense, infrared radiation source. Its radiation angular cone is much narrower than the infrared radiation from bending magnets or usual undulator harmonics. {copyright} {ital 1996 The American Physical Society.}
- OSTI ID:
- 284529
- Journal Information:
- Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 8 Vol. 76; ISSN 0031-9007; ISSN PRLTAO
- Country of Publication:
- United States
- Language:
- English
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