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22 February 2017 Unveiling relativistic electron bunch microstructures and their dynamical evolutions, using photonic time-stretch
Christophe Szwaj, Clément Evain, Marc Le Parquier, Serge Bielawski, Eléonore Roussel, Laurent Manceron, Jean-Blaise Brubach, Marie-Agnès Tordeux, Jean-Paul Ricaud, Lodovico Cassinari, Marie Labat, Marie-Emmanuelle Couprie, Pascale Roy, Andrii Borysenko, Nicole Hiller, Anke-Susanne Müller, Patrik Schönfeldt, Johannes Leonard Steinmann
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Proceedings Volume 10089, Real-time Measurements, Rogue Phenomena, and Single-Shot Applications II; 1008902 (2017) https://doi.org/10.1117/12.2255723
Event: SPIE LASE, 2017, San Francisco, California, United States
Abstract
The photonic time-stretch technique allows electric field pulse shapes to be recorded with picosecond resolution, at megahertz acquisition rates. Using this strategy, we could directly record spatial patterns that spontaneously appear in relativistic electron bunches, and follow their dynamical evolution over time. We present recent results obtained using two strategies. At SOLEIL, we present the shapes of the THz pulses which are emitted by the structures, and detected far from the emission point, at the end of a beamline. At ANKA, we present how it has been possible to monitor directly the electron bunch near-field. These new types of single-shot recordings allow direct and stringent tests to be performed on electron bunch dynamical models in synchrotron radiation facilities.
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Christophe Szwaj, Clément Evain, Marc Le Parquier, Serge Bielawski, Eléonore Roussel, Laurent Manceron, Jean-Blaise Brubach, Marie-Agnès Tordeux, Jean-Paul Ricaud, Lodovico Cassinari, Marie Labat, Marie-Emmanuelle Couprie, Pascale Roy, Andrii Borysenko, Nicole Hiller, Anke-Susanne Müller, Patrik Schönfeldt, and Johannes Leonard Steinmann "Unveiling relativistic electron bunch microstructures and their dynamical evolutions, using photonic time-stretch", Proc. SPIE 10089, Real-time Measurements, Rogue Phenomena, and Single-Shot Applications II, 1008902 (22 February 2017); https://doi.org/10.1117/12.2255723
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KEYWORDS
Terahertz radiation
Picosecond phenomena
Synchrotron radiation
Near field
Electro optics
Oscilloscopes
Crystals
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