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  High-repetition-rate and high-photon-flux 70 eV high-harmonic source for coincidence ion imaging of gas-phase molecules.

Rothhardt, J., Hädrich, S., Shamir, Y., Tschnernajew, M., Klas, R., Hoffmann, A., et al. (2016). High-repetition-rate and high-photon-flux 70 eV high-harmonic source for coincidence ion imaging of gas-phase molecules. Optics Express, 24(16), 18133-18147. doi:10.1364/OE.24.018133.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002C-0136-E Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-171C-1
Genre: Journal Article

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 Creators:
Rothhardt, J., Author
Hädrich, S., Author
Shamir, Y., Author
Tschnernajew, M., Author
Klas, R., Author
Hoffmann, A., Author
Tadesse, G. K., Author
Klenke, A., Author
Gottschall, T., Author
Eidam, T., Author
Limpert, J., Author
Tünnermann, A., Author
Boll, R.1, Author              
Bomme, C., Author
Dachraoui, H., Author
Erk, B., Author
Di Fraia, M. , Author
Horke, D. A., Author
Kierspel, T., Author
Mullins, T., Author
Przystawik, A., AuthorSavelyev, E., AuthorWiese, J., AuthorLaarmann, T., AuthorKüpper, J., AuthorRolles, D., Author more..
Affiliations:
1Research Group of Structural Dynamics of (Bio)Chemical Systems, MPI for Biophysical Chemistry, Max Planck Society, ou_578564              

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 Abstract: Unraveling and controlling chemical dynamics requires techniques to image structural changes of molecules with femtosecond temporal and picometer spatial resolution. Ultrashort-pulse x-ray free-electron lasers have significantly advanced the field by enabling advanced pump-probe schemes. There is an increasing interest in using table-top photon sources enabled by high-harmonic generation of ultrashort-pulse lasers for such studies. We present a novel high-harmonic source driven by a 100 kHz fiber laser system, which delivers 1011 photons/s in a single 1.3 eV bandwidth harmonic at 68.6 eV. The combination of record-high photon flux and high repetition rate paves the way for time-resolved studies of the dissociation dynamics of inner-shell ionized molecules in a coincidence detection scheme. First coincidence measurements on CH3I are shown and it is outlined how the anticipated advancement of fiber laser technology and improved sample delivery will, in the next step, allow pump-probe studies of ultrafast molecular dynamics with table-top XUV-photon sources. These table-top sources can provide significantly higher repetition rates than the currently operating free-electron lasers and they offer very high temporal resolution due to the intrinsically small timing jitter between pump and probe pulses.

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Language(s): eng - English
 Dates: 2016-07-292016-08-08
 Publication Status: Published in print
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 Rev. Method: Peer
 Identifiers: DOI: 10.1364/OE.24.018133
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Title: Optics Express
Source Genre: Journal
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Pages: - Volume / Issue: 24 (16) Sequence Number: - Start / End Page: 18133 - 18147 Identifier: -