Compensating for Variation in Undulator Focusing when Tuning the Wavelength of the Novosibirsk FEL Radiation

A. S. Matveev; O. A. Shevchenko; N. A. Vinokurov

doi:10.3103/S1062873819020217

Compensating for Variation in Undulator Focusing when Tuning the Wavelength of the Novosibirsk FEL Radiation

A. S. Matveev, O. A. Shevchenko, N. A. Vinokurov

Физический факультет

Результат исследования: Научные публикации в периодических изданиях › статья › рецензирование

Аннотация

Abstract: Tuning the wavelength of the radiation on a free-electron laser (FEL) changes the strength of its undulators focusing. Two approaches to compensating for this effect are considered: conserving the transport matrix and matching the Twiss parameters. Both approaches are validated at the Novosibirsk FEL. As a result, beam propagation is maintained when retuning the wavelength of FEL radiation in the range of 120–130 μm.

Язык оригинала	английский
Страницы (с-по)	163-165
Число страниц	3
Журнал	Bulletin of the Russian Academy of Sciences: Physics
Том	83
Номер выпуска	2
DOI	https://doi.org/10.3103/S1062873819020217
Состояние	Опубликовано - 1 фев 2019

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10.3103/S1062873819020217

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Compensating for Variation in Undulator Focusing when Tuning the Wavelength of the Novosibirsk FEL Radiation. / Matveev, A. S.; Shevchenko, O. A.; Vinokurov, N. A.

В: Bulletin of the Russian Academy of Sciences: Physics, Том 83, № 2, 01.02.2019, стр. 163-165.

Результат исследования: Научные публикации в периодических изданиях › статья › рецензирование

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AB - Abstract: Tuning the wavelength of the radiation on a free-electron laser (FEL) changes the strength of its undulators focusing. Two approaches to compensating for this effect are considered: conserving the transport matrix and matching the Twiss parameters. Both approaches are validated at the Novosibirsk FEL. As a result, beam propagation is maintained when retuning the wavelength of FEL radiation in the range of 120–130 μm.

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