CFEL-CMI

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2019-05-23
10:50
Embargoed OpenAccess [PUBDB-2019-02358] Journal Article

Robust and Accurate Computational Estimation of the Polarizability Tensors of Macromolecules
Alignment of molecules through electric fields minimizes the averaging over orientations, e.g., in single-particle-imaging experiments. The response of molecules to external ac electric fields is governed by their polarizability tensor, which is usually calculated using quantum chemistry methods. [...]
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2019-05-15
22:40
[PUBDB-2019-02291] Conference Presentation (After Call)
et al
Focusing of an Aerosolized Beam of Virus Particles with an Optical Funnel
EOS Optical Technologies: Optofluidics and Manufacturing, Tolerancing, and Testing of Optical Systems, MunichMunich, Germany, 24 Jun 2019 - 27 Jun 20192019-06-242019-06-27
X-ray free-electron lasers have enabled the possibility of “single particle imaging”, in which the morphology of aerosolized particles may be uncovered through lensless diffractive imaging using intense femtosecond x-ray pulses that “freeze” atomic motion. Diffraction patterns are produced from a stream of particles such as atmospheric aerosol particulates or viruses that are intercepted by x-ray pulses focused to a sub-micrometer spot. [...]
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2019-05-08
09:15
OpenAccess [PUBDB-2019-02178] Journal Article
et al
Photon diagnostics at the FLASH THz beamline
The THz beamline at FLASH, DESY, provides both tunable (1–300 THz) narrow-bandwidth (∼10%) and broad-bandwidth intense (up to 150 uJ) THz pulses delivered in 1 MHz bursts and naturally synchronized with free-electron laser X-ray pulses. Combination of these pulses, along with the auxiliary NIR and VIS ultrashort lasers, supports a plethora of dynamic investigations in physics, material science and biology. [...]
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2019-01-08
09:08
OpenAccess [PUBDB-2019-00080] Journal Article

Anomalous phosphine sensitivity coefficients as probes for a possible variation of the proton-to-electron mass ratio
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2018-12-18
15:55
[PUBDB-2018-05697] Conference Presentation
et al
Imaging aligned OCS molecules by laser induced electron diffraction
2017 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), MunichMunich, Germany, 25 Jun 2017 - 29 Jun 20172017-06-252017-06-29

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2018-12-18
15:50
[PUBDB-2018-05696] Conference Presentation
et al
Laser induced alignment and orientation of conformer and quantum state selected gas-phase molecules and their applications
2017 Conference on Lasers and Electro-Optics Europe (CLEO/Europe) & European Quantum Electronics Conference (EQEC), MunichMunich, Germany, 25 Jun 2017 - 29 Jun 20172017-06-252017-06-29

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2018-12-18
11:46
[PUBDB-2018-05654] Conference Presentation (Invited)
et al
Alignment and mixed-field orientation of complex molecules
Stereodynamics 2018, ArosaArosa, Switzerland, 2 Sep 2018 - 7 Sep 20182018-09-022018-09-07
Investigating the structure and dynamics of molecules is the goal of many theoretical and experimental studies. Fixing molecules in space facilitates and improves a variety of experimental techniques such as x-ray or electron diffraction, photoelectron imaging and high-harmonic generation [...]
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2018-12-03
14:40
[PUBDB-2018-05155] Talk (non-conference) (Invited)

Controlled (bio)molecules for advanced imaging
Seminar, Institute of Atomic and Molecular Sciences, Academia Sinica, National Taiwan UniversityTaipei, Institute of Atomic and Molecular Sciences, Academia Sinica, National Taiwan University, Taiwan, 3 Dec 2018 - 4 Dec 20182018-12-032018-12-04
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2018-11-28
14:13
[PUBDB-2018-04925] Talk (non-conference) (Invited)

Simple games with molecular samples for advanced imaging
Physics Colloquium Universität Innsbruck, Universität InnsbruckInnsbruck, Universität Innsbruck, Austria, 27 Nov 20182018-11-27
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2018-11-26
11:39
OpenAccess [PUBDB-2018-04760] Report/Journal Article
et al
Laser-induced alignment of weakly bound molecular aggregates
[arXiv:1808.01206]
The rotational and torsional dynamics of the prototypical floppy $\text{indole}(\text{H}_2\text{O})$ molecular cluster was theoretically and computationally analyzed. The time-dependent Schrödinger equation was solved for a reduced-dimensionality description of the cluster, taking into account overall rotations and the internal rotation of the water moiety. [...]
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