OpticsInfoBase

Time-resolved X-ray Scattering from Phonons

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• International Conference on Ultrafast Structural Dynamics (ICUSD) 2012 paper: IM1D.1
• OSA Technical Digest
• Reis, David A
• Advances in x-ray sources are enabling the study of material dynamics with unprecedented resolution down to the atomic-scale. We present first time- and momentum-resolved diffuse...

Cross-Correlation Based 2D Structure Determination from Multi-Particle Scattering Images

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• International Conference on Ultrafast Structural Dynamics (ICUSD) 2012 paper: IM1D.2
• OSA Technical Digest
• Pedrini, Bill
• A large set of X-ray scattering images on multiple identical gold nanoparticles (350 nm) in random orientation was used to determine the 2D structure of the nanoparticle template at 20...

Detection of Photoexcited High-frequency Monochromatic Phonon Pulses by Ultrafast x-ray Diffraction

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• International Conference on Ultrafast Structural Dynamics (ICUSD) 2012 paper: IM1D.3
• OSA Technical Digest
• Herzog, Marc; Bojahr, André; Goldshteyn, Jevgenij; Leitenberger, Wolfram; Vrejoiu, Ionela; Khakhulin, Dmitry; Wulff, Michael; Shayduk, Roman; Gaal, Peter; Bargheer, Matias
• We present time-resolved XRD experiments which evidence the generation of a tunable high-frequency monochromatic phonon wavepacket by multiple optical excitation of a thin film...

Ultrafast Coherent Diffractive Imaging using a Lab-Based soft X-ray Source

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• International Conference on Ultrafast Structural Dynamics (ICUSD) 2012 paper: IM1D.4
• OSA Technical Digest
• Merdji, Hamed
• We demonstrate femtosecond coherent imaging of nanometric objects using table-top soft X-ray laser harmonics source. We present applications in ultrafast nano-magnetism and control of...

Controlling and Probing Atomic, Electronic and Magnetic Structural Dynamics in Complex Oxides

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• International Conference on Ultrafast Structural Dynamics (ICUSD) 2012 paper: IM2D.1
• OSA Technical Digest
• Cavalleri, Andrea
• In this tutorial, we will discuss key advances in control and probing of atomic structures, of electronic and magnetic order and of transient band structures in strongly correlated...

Ultrafast Structural Dynamics in Manganites Associated with Phase Transitions

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• International Conference on Ultrafast Structural Dynamics (ICUSD) 2012 paper: IM2D.2
• OSA Technical Digest
• Beaud, Paul; Caviezel, Andrin; Johnson, Steven L; Staub, Urs; Mariager, Simon O; Huang, Shih-Wen; Milne, Christopher J; Möhr-Vorobeva, Ekaterina; Grübel, Sebastian; Johnson, Jeremy A; Ingold, Gerhard
• We use femtosecond x-ray diffraction to study the structural dynamics in three dimensional manganites accompanying photo-induced phase transitions. Initial dynamics of the phase...

Lattice and Magnetic Dynamics of a Laser Induced Phase Transition in FeRh

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• International Conference on Ultrafast Structural Dynamics (ICUSD) 2012 paper: IM2D.3
• OSA Technical Digest
• Mariager, Simon O; Pressacco, F; Ingold, Gerhard; Caviezel, Andrin; Möhr-Vorobeva, Ekaterina; Beaud, Paul; Johnson, Steven L; Milne, Christopher J; Feidenhans'l, Robert; Back, C; Quitmann, Christoph
• We study the two coupled components of the laser induced phase transition in FeRh. We compare structural and magnetization dynamics measured with respectively time-resolved x-ray...

Following Strain-Induced Mosaicity Changes of PbZr0.2Ti0.8O3 Thin Films by Ultrafast Reciprocal Space Mapping

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• International Conference on Ultrafast Structural Dynamics (ICUSD) 2012 paper: IM2D.4
• OSA Technical Digest
• Schick, Daniel; Bojahr, André; Herzog, Marc; Gaal, Peter; Bargheer, Matias
• We present first results on mosaicity changes in a ferroelectric PbZr_0.2Ti_0.8O₃ thin film on a ps timescale utilizing a new ultrafast reciprocal space...

Femtosecond X-Ray Powder Diffraction on LiBH4

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• International Conference on Ultrafast Structural Dynamics (ICUSD) 2012 paper: IM2D.5
• OSA Technical Digest
• Zamponi, Flavio; Stingl, Johannes; Freyer, Benjamin; Woerner, Michael; Elsaesser, Thomas; Borgschulte, Andreas
• We report the first femtosecond x-ray diffraction experiments on LiBH4. During off-resonant excitation with 800-nm pulses we observe a purely electronic modification of the transient...

UV Two-Dimensional Transient Absorption Spectroscopy

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• International Conference on Ultrafast Structural Dynamics (ICUSD) 2012 paper: IM3D.1
• OSA Technical Digest
• Auböck, Gerald; Consani, Cristina; van Mourik, Frank; Chergui, Majed
• We present a broadband UV two dimensional transient absorption setup (70-80 nm excitation, 80-100 nm probe, centered at 310 nm). Data on different systems will be shown and the...

Two-Dimensional Electronic Spectroscopy for Vibrational Wavepacket Analysis and Electronic Structure Determination

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• International Conference on Ultrafast Structural Dynamics (ICUSD) 2012 paper: IM3D.2
• OSA Technical Digest
• Christensson, Niklas; Mancal, Tomas; Milota, Franz; Bixner, Oliver; Kauffmann, Harald F; Hauer, Juergen
• We discuss two unconventional studies in two-dimensional electronic spectroscopy. First, it aids vibrational wavepacket analysis in a solvated molecule near the zero-phonon line....

Two-Dimensional Optical Spectroscopy of Charge Transfer

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• International Conference on Ultrafast Structural Dynamics (ICUSD) 2012 paper: IM3D.3
• OSA Technical Digest
• Mancal, Tomas; Christensson, Niklas; Bixner, Oliver; Lukeš, Vladimír; Milota, Franz; Kauffmann, Harald F; Hauer, Juergen
• Interaction of exciton and charge transfer states in a molecular dimer is traced by the dynamics of the cross-peaks in two-dimensional electronic spectra. Simulations reveal the...

Ultrafast Electronic Relaxations in Metal Mixed-Ligand Dithiolene Complexes

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• International Conference on Ultrafast Structural Dynamics (ICUSD) 2012 paper: IM3D.4
• OSA Technical Digest
• Cannizzo, Andrea; Frei, Franziska; Feurer, Thomas; Odeh, Ahmad; van Mourik, Frank; Chergui, Majed; Espa, Davide; Mercuri, Maria Laura; Pilia, Luca; Serpe, Angela; Deplano, Paola; Vlcek, Antonin
• Here we present our first results on the fs to ps relaxations in a series of square-planar d⁸ metal mixed-ligand dithiolene complexes, investigated with fs time resolved...

Photoisomerisation quantum yield, double quantum and stimulated emission cross section with femtosecond excitation of the Photoactive yellow protein for pump-probe protein diffraction

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• International Conference on Ultrafast Structural Dynamics (ICUSD) 2012 paper: IM3D.5
• OSA Technical Digest
• van Thor, Jasper J; Lincoln, Craig N
• We consider conditions for femtosecond pump-probe photocrystallography. The quantum yield of photoisomerisation of the Photoactive Yellow Protein strongly depends on peak power,...

Fast Recombination after Electron Photo-Detachment of Hydroxide in H-bonded Liquids

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• International Conference on Ultrafast Structural Dynamics (ICUSD) 2012 paper: IM3D.6
• OSA Technical Digest
• Rossmadl, Hubert; Fischer, Martin K; Laubereau, Alfred; Iglev, Hristo
• PREP spectroscopy on OH- in H-bonded liquids reveals an ultrafast geminate recombination channel. The process is assigned to formation of short-lieved OH:e- pairs facilitated by the...

Heterodyne detected Transient Grating UV/VIS-pump IR-probe measurements of energy transport through proteins

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• International Conference on Ultrafast Structural Dynamics (ICUSD) 2012 paper: IM3D.7
• OSA Technical Digest
• Strzalka, Halina; Hassan, Shabir; Donaldson, Paul M; Hamm, Peter
• The transient grating technique is applied to UV/VIS-pump IR-probe measurements to obtain a background free transient infrared signal. In comparison with conventional UV/VIS-pump...

Multidimensional Stimulated Resonant Raman X-ray Spectroscopy of Molecules

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• International Conference on Ultrafast Structural Dynamics (ICUSD) 2012 paper: IT1D.1
• OSA Technical Digest
• Mukamel, Shaul
• Valence excitations are studied by watching wavepackets launched by sequences of attosecond xray pulses. This demonstrated simulations for NMA at the oxygen and nitrogen K-edges. SMA...

The Rotating Crystal Method in Femtosecond X-Ray Diffraction

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• International Conference on Ultrafast Structural Dynamics (ICUSD) 2012 paper: IT1D.2
• OSA Technical Digest
• Freyer, Benjamin; Stingl, Johannes; Zamponi, Flavio; Woerner, Michael; Elsaesser, Thomas
• We demonstrate the rotating-crystal method in femtosecond x-ray diffraction. A pump-probe scheme maps structural dynamics of a photoexcited bismuth crystal via changes of the...

Watching Femtosecond Symmetry Breaking in Bismuth with X-Ray Diffraction

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• International Conference on Ultrafast Structural Dynamics (ICUSD) 2012 paper: IT1D.3
• OSA Technical Digest
• Johnson, Steven L; Beaud, Paul; Möhr-Vorobeva, Ekaterina; Caviezel, Andrin; Ingold, Gerhard; Milne, Christopher J
• We use femtosecond x-ray diffraction to make a quantitative study of the structural symmetry-breaking coherent E_g mode of bismuth created by intense laser excitation....

Experimental investigation of the coupling of an optical phonon mode to individual Bloch states in photoexcited Bismuth

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• International Conference on Ultrafast Structural Dynamics (ICUSD) 2012 paper: IT1D.4
• OSA Technical Digest
• Faure, Jerome
• The effect of lattice distortions on electronic states in Bismuth is investigated using time resolved photoemission spectroscopy. The data reveals a strong dependence of the electron...