Search Results - "Marangos, P J"
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Direct observation of ultrafast exciton localization in an organic semiconductor with soft X-ray transient absorption spectroscopy
Published in Nature communications (14-06-2022)“…The localization dynamics of excitons in organic semiconductors influence the efficiency of charge transfer and separation in these materials. Here we apply…”
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2
Probing Proton Dynamics in Molecules on an Attosecond Time Scale
Published in Science (American Association for the Advancement of Science) (21-04-2006)“…We demonstrate a technique that uses high-order harmonic generation in molecules to probe nuclear dynamics and structural rearrangement on a subfemtosecond…”
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3
Controlling two-center interference in molecular high harmonic generation
Published in Physical review letters (07-10-2005)“…We experimentally investigate the process of intramolecular quantum interference in high-order harmonic generation in impulsively aligned CO2 molecules. The…”
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4
Chirp-control of resonant high-order harmonic generation in indium ablation plumes driven by intense few-cycle laser pulses
Published in Optics express (11-06-2018)“…We have studied high-order harmonic generation (HHG) in an indium ablation plume driven by intense few-cycle laser pulses centered at 775 nm as a function of…”
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5
Optimization of Quantum Trajectories Driven by Strong-Field Waveforms
Published in Physical review. X (19-05-2014)“…Quasifree field-driven electron trajectories are a key element of strong-field dynamics. Upon recollision with the parent ion, the energy transferred from the…”
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6
Ideal waveform to generate the maximum possible electron recollision energy for any given oscillation period
Published in Physical review letters (13-02-2009)“…We present the perfect waveform which, during a strong field interaction, generates the maximum possible electron recollision energy for any given oscillation…”
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7
Half-cycle cutoffs in harmonic spectra and robust carrier-envelope phase retrieval
Published in Nature physics (01-01-2007)“…In recent years the use of high-order harmonic radiation to create and control events on attosecond timescales has grown at a phenomenal rate. With the use of…”
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8
Role of rotational wave packets in strong field experiments
Published in Physical review letters (26-12-2013)“…Complex revival features of rotational wave packets are obtained from the interplay of a molecular rotational distribution and a measured physical observable…”
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9
Role of the intramolecular phase in high-harmonic generation
Published in Physical review letters (06-05-2002)“…We study numerically the generation of high-order harmonics by two-center molecules for arbitrary angles between the molecular axis and the laser polarization…”
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10
Auger electron angular distribution of double core-hole states in the molecular reference frame
Published in Physical review letters (20-08-2010)“…The Linac Coherent Light Source free electron laser is a source of high brightness x rays, 2×10(11) photons in a ∼5 fs pulse, that can be focused to produce…”
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11
Femtosecond to attosecond light pulses from a molecular modulator
Published in Nature photonics (01-11-2011)“…Ultrafast science has begun to tackle the measurement of electronic and chemical processes taking place on the few-femtosecond-to-attosecond timescale. This…”
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12
Isolated sub-fs XUV pulse generation in Mn plasma ablation
Published in Optics express (05-11-2012)“…We report studies of high-order harmonic generation in laser-produced manganese plasmas using sub-4-fs drive laser pulses. The measured spectra exhibit…”
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13
Probing orbital structure of polyatomic molecules by high-order harmonic generation
Published in Physical review letters (18-05-2007)“…The effects of electronic structure and symmetry are observed in laser driven high-order harmonic generation for laser aligned conjugated polyatomic molecular…”
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14
Dynamic two-center interference in high-order harmonic generation from molecules with attosecond nuclear motion
Published in Physical review letters (01-08-2008)“…We report a new dynamic two-center interference effect in high-harmonic generation from H2, in which the attosecond nuclear motion of H2+ initiated at…”
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15
Enhancement of high harmonics from plasmas using two-color pump and chirp variation of 1 kHz Ti:sapphire laser pulses
Published in Optics express (02-01-2012)“…We have investigated resonance effects in high-order harmonic generation (HHG) within laser-produced plasmas. We demonstrate a significantly improved harmonic…”
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16
High harmonic generation and the role of atomic orbital wave functions
Published in Physical review letters (04-05-2007)“…High harmonic spectra were recorded from different rare-gas atoms under identical experimental conditions. It is shown that although each atom's spectrum is…”
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17
Polarisation response of delay dependent absorption modulation in strong field dressed helium atoms probed near threshold
Published in New journal of physics (12-08-2016)“…We present the first measurement of the vectorial response of strongly dressed helium atoms probed by an attosecond pulse train (APT) polarised either parallel…”
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18
Femtosecond Laser Mass Spectrometry and High Harmonic Spectroscopy of Xylene Isomers
Published in Scientific reports (28-02-2018)“…Structural isomers, molecules having the same chemical formula but with atoms bonded in different order, are hard to identify using conventional spectroscopy…”
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Author Correction: Femtosecond Laser Mass Spectrometry and High Harmonic Spectroscopy of Xylene Isomers
Published in Scientific reports (09-05-2018)“…A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has been fixed in the paper…”
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Measurement of sulfur L2,3 and carbon K edge XANES in a polythiophene film using a high harmonic supercontinuum
Published in Structural dynamics (Melville, N.Y.) (01-11-2016)“…We use a high harmonic generated supercontinuum in the soft X-ray region to measure X-ray absorption near edge structure (XANES) spectra in polythiophene…”
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