Optical synchronization technique for all-optical Compton scattering

In all-optical Compton scattering driven by a multi-petawatt laser, it is critical to have accurate spatiotemporal synchronization between the ultrarelativistic electron bunch and the ultrahigh-intensity laser beam. Such a synchronization was realized by using two complementary optical setups. The f...

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Veröffentlicht in:Review of scientific instruments 2022-11, Vol.93 (11), p.113001-113001
Hauptverfasser: Kim, Do Yeon, Hojbota, Calin Ioan, Mirzaie, Mohammad, Lee, Seong Ku, Kim, Ki Yong, Sung, Jae Hee, Nam, Chang Hee
Format: Artikel
Sprache:eng
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Zusammenfassung:In all-optical Compton scattering driven by a multi-petawatt laser, it is critical to have accurate spatiotemporal synchronization between the ultrarelativistic electron bunch and the ultrahigh-intensity laser beam. Such a synchronization was realized by using two complementary optical setups. The first setup, used for the initial synchronization, recorded the spatial interferogram between the two femtosecond lasers used for a GeV electron beam production and an ultrahigh scattering laser beam. The second one, consisting of spatial and spectral interferometers, measured the time delay between the two laser beams in the range of 0–200 fs in real time. These monitoring systems played an essential role in conducting Compton scattering experiments.
ISSN:0034-6748
1089-7623
DOI:10.1063/5.0115918