Articles with "pump probe" as a keyword



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Pump‐Pump‐Probe Spectroscopy of a Molecular Triad Monitoring Detrimental Processes for Photoinduced Charge Accumulation

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Published in 2017 at "Helvetica Chimica Acta"

DOI: 10.1002/hlca.201600283

Abstract: Controlling light-induced accumulation of electrons or holes is desirable in view of multi-electron redox chemistry, for example for the formation of solar fuels or for photoredox catalysis in general. Excitation with multiple photons is usually… read more here.

Keywords: accumulation; pump pump; pump; spectroscopy ... See more keywords
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Resolution enhancement of pump–probe microscope with an inverse-annular filter

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Published in 2018 at "Optical Review"

DOI: 10.1007/s10043-018-0416-5

Abstract: Optical pump–probe microscopy can provide images by detecting changes in probe light intensity induced by stimulated emission, photoinduced absorbance change, or photothermal-induced refractive index change in either transmission or reflection mode. Photothermal microscopy, which is… read more here.

Keywords: resolution; pump probe; microscope; microscopy ... See more keywords
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The changing landscape of dermatology practice: melanoma and pump-probe laser microscopy

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Published in 2017 at "Lasers in Medical Science"

DOI: 10.1007/s10103-017-2319-2

Abstract: To present current melanoma diagnosis, staging, prognosis, and treatment algorithms and how recent advances in laser pump-probe microscopy will fill in the gaps in our clinical understanding. Expert opinion and significantly cited articles identified in… read more here.

Keywords: melanoma; laser; dermatology; microscopy ... See more keywords
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Observation of Ultrafast Magnon Dynamics in Antiferromagnetic Nickel Oxide by Optical Pump-Probe and Terahertz Time-Domain Spectroscopies

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Published in 2017 at "Journal of Infrared, Millimeter, and Terahertz Waves"

DOI: 10.1007/s10762-017-0442-6

Abstract: We have studied the ultrafast magnon dynamics in an antiferromagnetic 3d-transition-metal monoxide, nickel oxide (NiO), using optical pump-probe spectroscopy and terahertz time-domain spectroscopy (THz-TDS). THz damped magnon oscillations were observed in the Faraday rotation signal… read more here.

Keywords: magnon; optical pump; spectroscopy; pump probe ... See more keywords
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Ultrafast energy transfer dynamics of phycobilisome from Thermosynechococcus vulcanus, as revealed by ps fluorescence and fs pump-probe spectroscopies.

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Published in 2021 at "Photosynthesis research"

DOI: 10.1007/s11120-021-00844-0

Abstract: Cyanobacterial photosynthetic systems efficiently capture sunlight using the pigment-protein megacomplexes, phycobilisome (PBS). The energy is subsequently transferred to photosystem I (PSI) and II (PSII), to produce electrochemical potentials. In the present study, we performed picosecond… read more here.

Keywords: pump probe; energy transfer; transfer dynamics; energy ... See more keywords
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Towards XUV pump-probe experiments in the femtosecond to sub-femtosecond regime: New measurement of the helium two-photon ionization cross-section

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Published in 2017 at "Chemical Physics Letters"

DOI: 10.1016/j.cplett.2017.05.026

Abstract: Abstract Non-linear photoionization of molecules in the 10–50 eV range is a prerequisite for pump-probe measurements with sub-femtosecond resolution, but hitherto has been limited to femtosecond resolution, low repetition rate and high photon flux laser systems.… read more here.

Keywords: two photon; photon; ionization; pump probe ... See more keywords
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Label-Free Imaging of Humic Substance Bioaccumulation by Pump-Probe Microscopy.

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Published in 2022 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.2c03981

Abstract: Humic substances (HS) are the most abundant forms of natural organic matter on the earth surface. Comprised of decomposed plant and animal materials rich in carbon, oxygen, hydrogen, nitrogen, and sulfur complexes, HS facilitate global… read more here.

Keywords: label free; pump probe; probe microscopy; microscopy ... See more keywords
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Ab Initio Surface-Hopping Simulation of Femtosecond Transient-Absorption Pump-Probe Signals of Nonadiabatic Excited-State Dynamics Using the Doorway-Window Representation.

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Published in 2021 at "Journal of chemical theory and computation"

DOI: 10.1021/acs.jctc.1c00109

Abstract: An ab initio theoretical framework for the simulation of femtosecond time-resolved transient absorption (TA) pump-probe (PP) spectra with quasi-classical trajectories is presented. The simulations are based on the classical approximation to the doorway-window (DW) representation… read more here.

Keywords: state; absorption; excited state; pump probe ... See more keywords
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Carbon Dioxide in a Supported Ionic Liquid Membrane: Structural and Rotational Dynamics Measured with 2D IR and Pump-Probe Experiments.

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Published in 2017 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.7b05759

Abstract: Supported ionic liquid membranes (SILMs) are porous membranes impregnated with ionic liquids (ILs) and used as advanced carbon capture materials. Here, two-dimensional infrared (2D IR) and IR polarization selective pump-probe (PSPP) spectroscopies were used to… read more here.

Keywords: ionic liquid; carbon; supported ionic; pump probe ... See more keywords
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Attosecond XFEL for pump–probe experiments

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Published in 2019 at "Nature Photonics"

DOI: 10.1038/s41566-019-0570-8

Abstract: A high-intensity attosecond X-ray free-electron laser, meeting the demands of attosecond science for research on the sub-femtosecond-timescale quantum-mechanical motion of electrons in molecules and solids, is now available for attosecond pump–attosecond probe experiments in the… read more here.

Keywords: xfel pump; pump; attosecond xfel; pump probe ... See more keywords
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Photoacoustic pump-probe tomography of fluorophores in vivo using interleaved image acquisition for motion suppression

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Published in 2017 at "Scientific Reports"

DOI: 10.1038/srep40496

Abstract: In fluorophores, the excited state lifetime can be modulated using pump-probe excitation. By generating photoacoustic (PA) signals using simultaneous and time-delayed pump and probe excitation pulses at fluences below the maximum permissible exposure, a modulation… read more here.

Keywords: pump; motion; image acquisition; pump probe ... See more keywords