FS-CFELCMI

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2017-05-10
10:10
OpenAccess [PUBDB-2017-02555] Journal Article
; ; ; et al
Alignment, orientation, and Coulomb explosion of difluoroiodobenzene studied with the pixel imaging mass spectrometry (PImMS) camera
ddc:540
Laser-induced adiabatic alignment and mixed-field orientation of 2,6-difluoroiodobenzene (C$_6$H$_3$F$_2$I) molecules are probed by Coulomb explosion imaging following either near-infrared strong-field ionization or extreme-ultraviolet multi-photon inner-shell ionization using free-electron laser pulses. The resulting photoelectrons and fragment ions are captured by a double-sided velocity map imaging spectrometer and projected onto two position-sensitive detectors. [...]
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2017-05-02
09:51
[PUBDB-2017-02127] Dissertation / PhD Thesis

Imaging structure and dynamics using controlled molecules
147 p. (2017) = Universität Hamburg, Diss., 2016

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2017-05-02
09:45
[PUBDB-2017-02125] Master Thesis

Laser Sheet Imaging of Dynamically Focused Ammonia Molecules
45 p. (2016) = Universität Hamburg, Masterarbeit, 2016

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2017-05-02
09:34
[PUBDB-2017-02124] Dissertation / PhD Thesis

Orientation of state selected OCS molecules in mixed strong dc and laser fields
109 p. (2016) = Universität Hamburg, Diss., 2016

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2017-04-28
13:21
OpenAccess [PUBDB-2017-02112] Bachelor Thesis
; ;
Charakterisierung von Aerosolstrahlen mittels Laserionisationsmassenspektrometrie
49 p. (2016) [10.3204/PUBDB-2017-02112] = Universität Hamburg, Bachelorarbeit, 2016  GO
Eines der interessantesten heutigen Projekte in der Biochemie und der Molekülphysik ist die Beobachtung von biologischen oder chemischen Reaktionen in Molekülen mit atomarer räumlicher Präzision. Eine vielversprechende Methode hierfür basiert auf dem Einsatz einer aerodynamischen Linse zur Fokussierung der Teilchen und der Untersuchung dieser Moleküle mit FreieElektronen-Lasern, um die Struktur der Moleküle, also die Positionen der Elektronen und Atomkerne, festzustellen. [...]
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2017-04-12
10:21
OpenAccess [PUBDB-2017-01661] Journal Article
; ; ; et al
Jitter-correction for IR/UV-XUV pump-probe experiments at the FLASH free-electron laser
ddc:530
In pump-probe experiments employing a free-electron laser (FEL) in combination with a synchronized optical femtosecond laser, the arrival-time jitter between the FEL pulse and the optical laser pulse often severely limits the temporal resolution that can be achieved. Here, we present a pump-probe experiment on the UV-induced dissociation of 2,6-difluoroiodobenzene $(C_{6}H_{3}F_{2}I)$ molecules performed at the FLASH FEL that takes advantage of recent upgrades of the FLASH timing and synchronization system to obtain high-quality data that are not limited by the FEL arrival-time jitter. [...]
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2017-03-27
10:17
OpenAccess [PUBDB-2017-01464] Journal Article
; ; ; et al
Simulating electric field interactions with polar molecules using spectroscopic databases
ddc:000
Ro-vibrational Stark-associated phenomena of small polyatomic molecules are modelled using extensive spectroscopic data generated as part of the ExoMol project. The external field Hamiltonian is built from the computed ro-vibrational line list of the molecule in question. [...]
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2017-03-16
16:15
DBCoverage [PUBDB-2017-01398] Journal Article
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Coulomb explosion imaging of small organic molecules at LCLS
ddc:530
Fragmentation of small organic molecules by intense few-femtosecond X-ray free-electron laser pulses has been studied using Coulomb explosion imaging. By measuring kinetic energies and emission angles of the ionic fragments in coincidence, we disentangle different fragmentation pathways, for certain cases can reconstruct molecular geometry at the moment of explosion, and show how it depends on LCLS pulse duration [...]
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2017-03-06
12:16
OpenAccess [PUBDB-2017-01302] Report/Journal Article
; ; ; et al
Characterizing gas flow from aerosol particle injectors
[arXiv:1609.09020] ddc:530
A novel methodology for measuring gas flow from small orifices or nozzles into vacuum is presented. It utilizes a high-intensity femtosecond laser pulse to create a plasma within the gas plume produced by the nozzle, which is imaged by a microscope. [...]
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2017-03-02
10:29
[PUBDB-2017-01254] Conference Presentation (Invited)

Laser-induced electron diffraction of controlled molecules
International Focus Workshop with Annual Meeting of the DFG Priority Programme QUTIF, QUTIF17, Meeting locationDresden, Max Planck Institute for the Physics of Complex Systems, Germany, 27 Feb 2017 - 1 Mar 20172017-02-272017-03-01
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