Multidimensional laser frequency comb spectroscopy of molecules


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 Nazionalità Coordinatore Germany [DE]
 Totale costo 2˙389˙400 €
 EC contributo 2˙389˙400 €
 Programma FP7-IDEAS-ERC
Specific programme: "Ideas" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013)
 Code Call ERC-2010-AdG_20100224
 Funding Scheme ERC-AG
 Anno di inizio 2011
 Periodo (anno-mese-giorno) 2011-09-01   -   2016-08-31


# participant  country  role  EC contrib. [€] 

 Organization address address: GESCHWISTER SCHOLL PLATZ 1
postcode: 80539

contact info
Titolo: Ms.
Nome: Monika
Cognome: Bernhardt
Email: send email
Telefono: +49 89 21803449
Fax: +49 89 2180 2985

DE (MUENCHEN) hostInstitution 2˙389˙400.00

 Organization address address: GESCHWISTER SCHOLL PLATZ 1
postcode: 80539

contact info
Titolo: Prof.
Nome: Theodor
Cognome: Hänsch
Email: send email
Telefono: +49 89 3290 5290
Fax: +49 89 32905 712

DE (MUENCHEN) hostInstitution 2˙389˙400.00


 Word cloud

Esplora la "nuvola delle parole (Word Cloud) per avere un'idea di massima del progetto.

coherent    laser    pulses    molecular    ultrashort    imaging    comb    combs    fourier    such    harnessed    optical    become    frequency    spectroscopy    nonlinear    spectroscopic   

 Obiettivo del progetto (Objective)

'The advent of laser frequency combs a decade ago has revolutionized optical frequency metrology. Such combs have become enabling tools for a growing tree of applications, from optical atomic clocks to attosecond science. Recently, the millions of precisely controlled laser comb lines produced with a train of ultrashort laser pulses have been harnessed for highly multiplexed molecular spectroscopy. Fourier multi-heterodyne spectroscopy with frequency combs is emerging as a powerful new spectroscopic tool. Cavity-enhanced absorption spectroscopy with two frequency combs just demonstrated a dramatically improved sensitivity, compared to conventional Fourier spectroscopy, with recording times shortened from seconds to microseconds. Such capabilities open exciting opportunities for instantaneous trace gas analysis, time-resolved spectroscopy of short-lived molecular species, precision spectroscopy and hyperspectral imaging. Moreover, since frequency combs involve intense ultrashort laser pulses, nonlinear interactions can be harnessed, such as saturation or coherent transient phenomena including photon echoes, in analogy to multi-dimensional NMR spectroscopy. Envisioned applications range from optical labeling for the simplification and disentanglement of complex spectra to coherent control for the selective microscopic imaging of unlabeled biomolecules. Such new spectroscopic methods will be initially explored with state-of-the-art frequency comb sources, based on femtosecond fiber lasers and nonlinear conversion. Novel compact and reliable spectroscopic instruments with unprecedented capabilities will become possible with frequency comb generators based on cascaded four wave mixing in toroidal micro-resonators.'

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