Search Results - "Urbasch, G"

Correlated electron emission in multiphoton double ionization by Dörner, R, Weber, Th, Giessen, H, Weckenbrock, M, Urbasch, G, Staudte, A, Spielberger, L, Jagutzki, O, Mergel, V, Vollmer, M

“…Electronic correlations govern the dynamics of many phenomena in nature, such as chemical reactions and solid state effects, including superconductivity. Such…”
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Waveform control of orientation-dependent ionization of DCl in few-cycle laser fields by Znakovskaya, I, von den Hoff, P, Schirmel, N, Urbasch, G, Zherebtsov, S, Bergues, B, de Vivie-Riedle, R, Weitzel, K-M, Kling, M F

“…Strong few-cycle light fields with stable electric field waveforms allow controlling electrons on time scales down to the attosecond domain. We have studied…”
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Recoil-Ion momentum distributions for single and double ionization of helium in strong laser fields by Weber, T, Weckenbrock, M, Staudte, A, Spielberger, L, Jagutzki, O, Mergel, V, V, Afaneh, F, Urbasch, G, Vollmer, M, Giessen, H, Dorner, R

“…We have measured the momentum distributions of singly and doubly charged helium ions created in the focus of 220 fs, 800 nm laser pulses at intensities of…”
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Phase control of molecular fragmentation with a pair of femtosecond-laser pulses by Breunig, H G, Urbasch, G, Weitzel, K-M

“…We demonstrate the control of molecular fragmentation of o-xylene (C(8)H(10)) on a femtosecond time scale in two-pulse measurements with a pair of…”
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Picosecond laser ablation of thin copper films by JANDELEIT, J, URBASCH, G, HOFFMANN, H. D, TREUSCH, H.-G, KREUTZ, E. W

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Two-photon fluorescence and femtosecond two-photon absorption studies of MeLPPP, a ladder-type poly(phenylene) with low intra-chain disorder by Harrison, M.G., Urbasch, G., Mahrt, R.F., Giessen, H., Bässler, H., Scherf, U.

“…MeLPPP is a ladder-type conjugated poly(phenylene) with particularly low intra-chain disorder and inhomogeneous broadening of only 20 meV. The two-photon…”
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Femtosecond Differential Transmission Spectroscopy of α-Sexithienyl Single Crystals at Low Temperature by Urbasch, G, Hopmeier, M, Giessen, H, Mahrt, R. F

“…Spectral relaxation of photogenerated excitations and stimulated emission is investigated in an α-sexithienyl single crystal. We have performed femtosecond…”
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Atomic dynamics in single and multi-photon double ionization: An experimental comparison by Weber, T, Weckenbrock, M, Staudte, A, Hattass, M, Spielberger, L, Jagutzki, O, Mergel, V, Bocking, H, Urbasch, G, Giessen, H, Brauning, H, Cocke, C, Prior, M, Doerner, R

“…We have used a multi-particle imaging technique (COLTRIMS) to observe the double ionization of rare gas atoms by multi-photon absorption of 800 nm (1.5 eV)…”
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Femtosecond Differential Transmission Spectroscopy of α-Sexithienyl Thin Film at Low Temperature by Urbasch, G, Giessen, H, Murgia, M, Zamboni, R, Mahrt, R. F

“…We have reassessed the influence of the charge-transfer state on the photogeneration of free charges in α-sexithienyl. We performed femtosecond differential…”
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Time-resolved stimulated emission in an α-sexithienyl thin film by Urbasch, G, Giessen, H, Murgia, M, Zamboni, R, Mahrt, R.F

“…We have investigated the stimulated emission of an evaporated thin film of α-sexithienyl at 20 K. We have performed femtosecond differential transmission…”
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Femtosecond differential transmission spectroscopy of α-sexithienyl thin film by Urbasch, G, Giessen, H, Murgia, M, Zamboni, R, Mahrt, R.F

“…We have investigated the nature of primary excitations in α-sexithienyl thin film by comparing excitations above and below the charge transfer exciton. We…”
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Observation of Phonon Resonances in the Optical Nonlinearity in an α-Sexithienyl Thin Film by Urbasch, G., Giessen, H., Murgia, M., Zamboni, R., Mahrt, R.F.

“…Phonon resonances in the optical nonlinearity induced by the mixing of pump and probe pulses are investigated in an α‐sexithienyl vacuum evaporated thin film…”
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Observation of Phonon Resonances in the Optical Nonlinearity in an ?-Sexithienyl Thin Film by Urbasch, G., Giessen, H., Murgia, M., Zamboni, R., Mahrt, R.F.

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Polarized Photoluminescence and Spectral Narrowing in an Oriented Polyfluorene Thin Film by Bauer, Christian, Urbasch, Gunter, Giessen, Harald, Meisel, Andreas, Nothofer, Heinz-Georg, Neher, Dieter, Scherf, Ullrich, Mahrt, Rainer F.

“…The oriented polyfluorene 1 is a promising candidate for a blue polarized emitter in organic optoelectronic devices. By examination of the anisotropic…”
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Coherent phonon induced ultrafast transient response in rigid rold-like /spl pi/-conjugated thin films by Giessen, H., Urbasch, G., Zamboni, R., Murgia, H., Mahrt, R.F.

“…Summary form only given. We have used the strong coupling between the coherent phonon mode and the exciton in an oligomer film to produce transient bleaching…”
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Recoil-ion and electron momentum distributions for single and double ionization in strong laser fields by Giessen, H., Urbasch, G., Vollmer, M., Weber, T., Weckenbrock, M., Staudte, A., Dorner, R.

“…Summary form only given.We use the well established technique of cold target recoil-ion momentum spectroscopy to investigate the momentum distributions of…”
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