Аннотация
Free-electron lasers have specific time form of its radiation (usually continuous train of very shot pulses) and specific instabilities of the radiation. The fast instabilities change intra-pulse coherency of the radiation and produce large-scale side-band frequency modes. The slow instabilities change coherency between pulses and have an influence on fine structure of the spectra, which consist of many close longitudinal partly-synchronized modes. Spectral measurements of terahertz NovoFEL radiation by methods of Fourier spectroscopy, ultra-fast single-pulse spectroscopy, and new high-resolution spectroscopies based on ultra-long resonance waveguide vacuum Fabry-Perot interferometer and mixing of the NovoFEL radiation with ultra-monochromatic radiation of a gas laser are presented in the report.
Язык оригинала | английский |
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Название основной публикации | 2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2017 |
Издатель | IEEE Computer Society |
ISBN (электронное издание) | 9781509060481 |
DOI | |
Состояние | Опубликовано - 12 окт 2017 |
Событие | 42nd International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2017 - Cancun, Quintana Roo, Мексика Продолжительность: 27 авг 2017 → 1 сен 2017 |
Конференция
Конференция | 42nd International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2017 |
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Страна | Мексика |
Город | Cancun, Quintana Roo |
Период | 27.08.2017 → 01.09.2017 |