1. Light-Induced Magnetization at the NanoscaleJonas Wätzel, Primož Rebernik Ribič, Marcello Coreno, Miltcho Danailov, Christian David, Alexander Demidovich, Michele Di Fraia, Luca Giannessi, Klavs Hansen, Špela Krušič, Michele Manfredda, Michael Meyer, Andrej Mihelič, Najmeh Mirian, Oksana Plekan, Barbara Ressel, Benedikt Rosner, Alberto Simoncig, Simone Spampinati, Matija Stupar, Matjaž Žitnik, Marco Zangrando, Carlo Callegari, Jamal Berakdar, Giovanni De Ninno, 2022, original scientific article Keywords: FEL, orbital angular momentum, magnetisation
Published in RUNG: 16.01.2023; Views: 1528; Downloads: 0
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2. Photoelectric effect with a twistGiovanni De Ninno, Jonas Wätzel, Primož Rebernik Ribič, Enrico Allaria, Marcello Coreno, Miltcho B. Danailov, Christian David, Alexander Demidovich, Michele Di Fraia, Luca Giannessi, Klaus Hansen, Špela Krušič, Michele Manfredda, Micheal Meyer, Andrej Mihelič, Najmeh Mirian, Oksana Plekan, Barbara Ressel, Benedikt Rosner, Alberto Simoncig, Simone Spampinati, Janez Štupar, Matjaž Žitnik, Marco Zangrando, Carlo Callegari, Jamal Berakdar, 2020, original scientific article Abstract: Photons have fixed spin and unbounded orbital angular momentum (OAM). While the former is manifested in the polarization of light, the latter corresponds to the spatial phase distribution of its wavefront1. The distinctive way in which the photon spin dictates the electron motion upon light– matter interaction is the basis for numerous well-established spectroscopies. By contrast, imprinting OAM on a mat- ter wave, specifically on a propagating electron, is gener- ally considered very challenging and the anticipated effect undetectable2. In refs. 3,4, the authors provided evidence of OAM-dependent absorption of light by a bound electron. Here, we seek to observe an OAM-dependent dichroic photo- electric effect, using a sample of He atoms. Surprisingly, we find that the OAM of an optical field can be imprinted coher- ently onto a propagating electron wave. Our results reveal new aspects of light–matter interaction and point to a new kind of single-photon electron spectroscopy.
Keywords: FEL, OAM, Photoelectric effect
Published in RUNG: 09.09.2020; Views: 3483; Downloads: 0
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3. Spectrotemporal control of soft x-ray laser pulsesNajmeh S. Miria, Enrico Allaria, Niky Bruchon, Paolo Cinquegrana, Miltcho Bojanov Danailov, Giovanni De Ninno, S. Di Mitri, Eugenio Ferrari, Luca Giannessi, Primož Rebernik Ribič, 2020, original scientific article Keywords: coherent control, free electron lasers, echo-enabled harmonic generation
Published in RUNG: 15.06.2020; Views: 3546; Downloads: 81
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4. Tracking attosecond electronic coherences usingphase-manipulated extreme ultraviolet pulsesAndreas Wituschek, Lukas Bruder, Enrico Allaria, Ulrich Bangert, Marcel Binz, Roberto Borghes, Carlo Callegari, Giulio Cerullo, Paolo Cinquegrana, Luca Giannessi, Primož Rebernik Ribič, 2020, original scientific article Keywords: extreme ultraviolet pulses, electronic coherences
Published in RUNG: 20.02.2020; Views: 3427; Downloads: 22
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5. Status and perspectives of the FERMI FEL facility (2019)Luca Giannessi, Enrico Allaria, Laura Badano, S. Bassanese, Filippo Bencivenga, Carlo Callegari, Flavio Capotondi, Davide Castronovo, F. Cilento, Paolo Cinquegrana, Giovanni De Ninno, Primož Rebernik Ribič, 2019, published scientific conference contribution Keywords: free-electron lasers, harmonic generation
Published in RUNG: 15.01.2020; Views: 3538; Downloads: 96
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6. User operation of sub-picosecond thz coherent transition radiation parasitic to a VUV FELS. Di Mitri, N. Adhlakha, Enrico Allaria, Laura Badano, Giovanni De Ninno, P. Di Pietro, G. Gaio, Luca Giannessi, G. Penco, A. Perucchi, Primož Rebernik Ribič, 2019, published scientific conference contribution Keywords: free-electron lasers, coherent transition radiation, electron beam manipulation
Published in RUNG: 15.01.2020; Views: 3630; Downloads: 89
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8. Echo-enabled harmonic generation studies for the FERMI free-electron laserPrimož Rebernik Ribič, Eléonore Roussel, Gregory Penn, Giovanni De Ninno, Luca Giannessi, G. Penco, Enrico Allaria, 2017, original scientific article Keywords: free electron laser, harmonic up-conversion, high-harmonic generation, seeding, x-ray, pump-probe, microbunching instability
Published in RUNG: 13.01.2020; Views: 3633; Downloads: 14
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