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NICE2026 Nonlinear Imaging and Coherent Effects

May 20 – 21, 2026
Latisana, Italy
Europe/Rome timezone

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Session

Multidimensional Spectroscopic

May 21, 2026, 8:45 AM
Latisana, Italy

Latisana, Italy

Description

Chair Giulia Fulvia Mancini, University Pavia

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  1. 17. Linear and non-linear X-ray studies of chirality in liquid solutions
    Prof. Majed Chergui (Elettra-Sincrotrone)
    5/21/26, 8:45 AM
    Invited talk

    Molecular chirality is central to biology and chemistry. Identification of enantiomers of chiral molecules is mostly based on optical circular dichroism (CD). It measures the absorption difference of left and right circularly polarised light by the sample. CD signals are intrinsically weak, usually 0.1% of the linear absorption, which makes them challenging to measure. Pushing CD spectroscopy...

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  2. 46. Amplification of weak spontaneous emission from low-lying doubly excited states in helium gas
    Prof. Matjaz Zitnik (J. Stefan Institute)
    5/21/26, 9:20 AM
    Invited talk

    We have detected self-amplified spontaneous emission (ASE) from 3a
    $^1P^o$ doubly excited state (DES) in He. In an isolated atom, this
    autoionizing resonance features a small $5\times 10^{-4}$ branching for
    fluorescence decay, preferably populating the singlet 1s3s singly
    excited state. To locate FEL wavelengths resonant with DES, the
    microfluidic gas cell was modified by adding the two...

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  3. 19. Attosecond momentum-resolved resonant x-ray scattering of photo-excited molecules: observing charge in motion.
    Maksim Radionov (Brandenburg University of Technology)
    5/21/26, 9:55 AM
    Contributed talk

    Improving our understanding of electron dynamics is essential for advancing energy transfer, optoelectronics, light-harvesting systems, and quantum computing. Recent developments in attosecond x-ray sources provide the fundamental possibility of observing these dynamics with atomic-scale spatial resolution. However, connecting a time-resolved signal to the dynamics remains challenging due to...

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  4. 30. Sum-Frequency Generation Spectro-Microscopy using the FHI-FEL
    Dorothee Mader (Fritz-Haber-Institut der Max-Planck-Gesellschaft)
    5/21/26, 10:20 AM
    Contributed talk

    In this talk infrared-visible sum-frequency generation (SFG) spectro-microscopy using the FHI-FEL is introduced. This method combines benefits from second harmonic generation imaging such as local information on structural symmetry and benefits from sum-frequency generation spectroscopy such as details of the atomic structure and bonding via vibrational resonances.

    We demonstrate an...

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