22–26 Aug 2022
Trieste Convention Centre
Europe/Zurich timezone

Frequency Pulling in a Superradiant FEL Amplifier

TUP57
23 Aug 2022, 16:00
2h
Exhibition Hall (Trieste Convention Centre)

Exhibition Hall

Trieste Convention Centre

Contributed Poster Seeded FEL Tuesday posters

Speaker

Najmeh Mirian (Deutsches Elektronen-Synchrotron)

Description

Free-electron lasers producing ultrashort pulses with high peak power are a resource to extend ultrafast non-linear spectroscopic techniques into the extreme-ultraviolet–X-ray regime. A super radiant cascade was proposed as a method to shorten the pulse duration in seeded FEL. Pulses shorter than the typical duration supported by the FEL gain bandwidth of the FEL amplifier in the linear regime were measured at FERMI. In these conditions we also observed a strong frequency pulling phenomenon that that will be discussed in this contribution.

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Primary authors

Najmeh Mirian (Deutsches Elektronen-Synchrotron) Alexander Demidovich (Elettra-Sincrotrone Trieste S.C.p.A.) Carlo Spezzani (Elettra-Sincrotrone Trieste S.C.p.A.) Enrico Allaria (Elettra-Sincrotrone Trieste S.C.p.A.) Filippo Sottocorona (Elettra-Sincrotrone Trieste S.C.p.A.) Giovanni De Ninno (Elettra-Sincrotrone Trieste S.C.p.A.) Giulio Gaio (Elettra-Sincrotrone Trieste S.C.p.A.) Giuseppe Penco (Elettra-Sincrotrone Trieste S.C.p.A.) Kevin Prince (Elettra-Sincrotrone Trieste S.C.p.A.) Laura Badano (Elettra-Sincrotrone Trieste S.C.p.A.) Lorenzo Raimondi (Elettra-Sincrotrone Trieste S.C.p.A.) Dr Luca Giannessi (Elettra Sincrotrone Trieste and Istituto Nazionale di Fisica Nucleare) Marco Zangrando (Elettra-Sincrotrone Trieste S.C.p.A.) Michele Di Fraia (Elettra-Sincrotrone Trieste S.C.p.A.) Michele Manfredda (Elettra-Sincrotrone Trieste S.C.p.A.) Miltcho Danailov (Elettra-Sincrotrone Trieste S.C.p.A.) Nicola Mahne (Elettra-Sincrotrone Trieste S.C.p.A.) Oksana Plekan (Elettra-Sincrotrone Trieste S.C.p.A.) Carlo Callegari (Elettra-Sincrotrone Trieste S.C.p.A.) Primoz Rebernik Ribic (Elettra-Sincrotrone Trieste S.C.p.A.) Richard Squibb (University of Gothenburg) Simone Di Mitri (Elettra-Sincrotrone Trieste S.C.p.A.) Simone Spampinati (Elettra-Sincrotrone Trieste S.C.p.A.) Xi Yang (Brookhaven National Laboratory) Mauro Trovo (Elettra-Sincrotrone Trieste S.C.p.A.)

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