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MIRed Streak TERMINATED

Mid-InfraRed Streak Camera

Total Cost €

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EC-Contrib. €

0

Partnership

0

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 MIRed Streak project word cloud

Explore the words cloud of the MIRed Streak project. It provides you a very rough idea of what is the project "MIRed Streak" about.

coupled    mir    deep    nuclear    accuracy    deeply    biology    advent    quasi    ultrafast    couplings    tool    optical    chemistry    photoprotection    amino    acids    play    window    mass    vibronic    timescales    pulses    isotopic    intermediate    follow    powerful    1as    metrology    answer    intense    attosecond    fs    electrons    wavelength    solids    femtoseconds    resolution    dna    nature    polyatomic    infrared    manner    tens    half    picoseconds    excite    observation    nonesuch    uv    streak    nucleobases    limited    terahertz    microns    nuclei    questions    bonds    temporal    molecules    10as    time    10    sub    mired    ps    few    resolved    mid    electronic    electron    excited    probe    instantaneous    timescale    place    fastest    delays    dynamics    18s    pulse    probing    light    offers    fundamental    100as    source    period    excitation    chemical    unfortunately    accurate    10fs    attoseconds    measured    streaking    atoms    understanding    motions    physics   

Project "MIRed Streak" data sheet

The following table provides information about the project.

Coordinator
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS 

Organization address
address: RUE MICHEL ANGE 3
city: PARIS
postcode: 75794
website: www.cnrs.fr

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country France [FR]
 Total cost 232˙160 €
 EC max contribution 232˙160 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2017
 Funding Scheme MSCA-IF-GF
 Starting year 2018
 Duration (year-month-day) from 2018-07-01   to  2021-06-30

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS FR (PARIS) coordinator 232˙160.00
2    INSTITUT NATIONAL DE LA RECHERCHE SCIENTIFIQUE CA (QUEBEC) partner 0.00

Map

 Project objective

Understanding matter on its fastest timescales is of major interest in order to answer fundamental questions in physics, chemistry and biology. With the advent of attosecond pulses (1as=10^-18s), atoms, molecules and solids can be deeply excited in a quasi-instantaneous manner leading to ultrafast processes. While electrons can respond to the excitation in only a few-10as to a few tens of femtoseconds (fs), nuclear motions take place in a few-fs to picoseconds (ps). The real challenge is how to probe those dynamics when they are strongly coupled. Attosecond streaking (one attosecond pulse to excite the system, one infrared fs pulse to probe the dynamics) is the most accurate temporal metrology ever implemented. Sub-10as delays have been measured with the accuracy of only a few attoseconds. However, the window of observation is limited to the half optical period of the probe pulse and only dynamics on the fs-timescale can be time-resolved. On the other hand, using a terahertz field as a probe offers a wider window of observation of the ps, but with a low resolution of ~10fs. Unfortunately, vibronic dynamics in which nuclear and electronic motions are strongly coupled occur on an intermediate timescale of a few-fs. The objective of the MIRed Streak project is to develop an intense source of mid-infrared pulses (MIR, wavelength between 5 and 20 microns) to follow the couplings of electron and nuclei dynamics in polyatomic molecules over several 10fs with sub-100as accuracy. This project will provide a powerful novel tool to access a nonesuch insight of ultrafast processes in matter. After studying vibronic dynamics in simple molecules and probing isotopic and mass effects, the long-term objective is to investigate more complex systems such as amino acids and nucleobases, which play an essential role e.g. in the photoprotection of DNA to UV light. Understanding vibronic dynamics will provide a deep insight into the nature of chemical bonds.

 Publications

year authors and title journal last update
List of publications.
2019 A. Leblanc, P. Lassonde, S. Petit, J.-C. Delagnes, E. Haddad, G. Ernotte, M. R. Bionta, V. Gruson, B. E. Schmidt, H. Ibrahim, E. Cormier, F. Légaré
Phase-matching-free pulse retrieval based on transient absorption in solids
published pages: 28998, ISSN: 1094-4087, DOI: 10.1364/oe.27.028998
Optics Express 27/20 2020-01-30

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