• Technical Conference: 

    09 – 14 May 2021

  • Exhibition: 

    10 – 14 May 2021

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Ultrafast Imaging and Spectroscopy

Presider: Emma Springate, STFC Rutherford Appleton Laboratory

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Attosecond Coherent Diffractive Imaging (FM1O.1)
Presenter: Julius Huijts, Commissariat a l'Energie Atomique

We present a method of numerical monochromatisation that potentially allows performing coherent diffractive imaging with broadband attosecond source.

Authors:Hamed Merdji, Commissariat a l'Energie Atomique / Julius Huijts, Commissariat a l'Energie Atomique


Ultrafast Electron Diffractometer With Terahertz-Driven Pulse Compression (FM1O.2)
Presenter: Dongfang Zhang, Deutsches Elektronen Synchrotron (DESY)

We built an ultrafast electron diffractometer, which utilizes a Terahertz driven pulse compressor to probe the ultrafast dynamics of single-crystal silicon. We demonstrate high-quality diffraction with improved time resolution.

Authors:Dongfang Zhang, Deutsches Elektronen Synchrotron (DESY) / Tobias Kroh, Deutsches Elektronen Synchrotron (DESY) / Felix Ritzkowsky, Deutsches Elektronen Synchrotron (DESY) / Timm Rohwer, Deutsches Elektronen Synchrotron (DESY) / Moein Fakhari, Deutsches Elektronen Synchrotron (DESY) / Huseyin Cankaya, Deutsches Elektronen Synchrotron (DESY) / Anne-Laure Calendron, Deutsches Elektronen Synchrotron (DESY) / Nicholas Matlis, Deutsches Elektronen Synchrotron (DESY) / Franz Kärtner, Deutsches Elektronen Synchrotron (DESY)


Charge Dynamics Electron Microscopy (FM1O.3)
Presenter: Simone Gargiulo, EPFL

We probe plasma dynamics with nm-fs resolution through electron spectroscopy performed in an ultrafast transmission electron microscope. This approach would allow to disentangle the dynamic evolution of plasma parameters and observe previously inaccessible energy inhomogeneities.

Authors:Simone Gargiulo, EPFL / Ivan Madan, EPFL / Francesco Barantani, EPFL / Gabriele Berruto, EPFL / Michael Yannai, Technion Israel Institute of Technology / Eduardo Dias, ICFO-Institut de Ciencies Fotoniques / Raphael Dahan, Technion Israel Institute of Technology / Ido Kaminer, Technion Israel Institute of Technology / Giovanni Maria Vanacore, University of Milano-Bicocca / Javier García de Abajo, ICFO-Institut de Ciencies Fotoniques / Fabrizio Carbone, EPFL


Coherent Diffractive Extreme-Ultraviolet Generation From Nanostructured Silica. (FM1O.4)

Presenter: Sylvianne Roscam Abbing, ARCNL

We introduce extreme-ultraviolet high-harmonic generation from nanostructured silica. Generation inside micron and nanoscale sub-wavelength structures with periodic as well as aperiodic features leads to emission of structured extreme-ultraviolet pulses, useful for spectroscopy and imaging.

Authors:Sylvianne Roscam Abbing, ARCNL / Zhuang-Yan Zhang, ARCNL / Radoslaw Kolkowski, AMOLF / Filippo Campi, ARCNL / Femius Koenderink, AMOLF / Peter Kraus, ARCNL


Attosecond Photoionization Dynamics in Model Diatomic Molecules (FM1O.5)
Presenter: Laura Cattaneo, ETH Zurich

Investigation of photoionization dynamics in two model diatomic molecules: H2 and CO, highlighting a specific aspect of their molecular nature and confirming the paramount importance of angular resolution and electron-ion coincidence detection.

Authors:Laura Cattaneo, ETH Zurich


Decoherence and Revival of Attosecond Charge Migration Driven by Non-Adiabatic Dynamics (FM1O.6)
Presenter: Danylo Matselyukh, ETH Zurich

The attosecond quantum beat of an electronic state superposition was captured in SiH4 using soft-X-Ray attosecond transient-absorption spectroscopy. Its decoherence and revival, induced by non-adiabatic vibrational dynamics, were reproduced using MCTDH calculations.

Authors:Danylo Matselyukh, ETH Zurich / Victor Despré, Heidelberg University / Nikolay Golubev, EPFL / Alexander Kuleff, Heidelberg University / Hans Jakob Wörner, ETH Zurich