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MIRed Streak TERMINATED

Mid-InfraRed Streak Camera

Total Cost €

0

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.

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