Search Results - "Lascoux, N."
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1
Femtosecond Dynamics of Hydrogen Bonds in Liquid Water: A Real Time Study
Published in Physical review letters (01-02-1999)Get full text
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2
Nonlinear Fano profiles in the optical second-harmonic generation from silver nanoparticles
Published in Physical review. B, Condensed matter and materials physics (13-08-2012)“…The resonance effects on the optical second-harmonic generation from 140-nm silver nanoparticles is studied experimentally by hyper-Rayleigh scattering and…”
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3
Ultraviolet-visible conical emission by multiple laser filaments
Published in Optics express (16-03-2009)“…We characterized the angular distribution of the supercontinuum emission from multiple infrared laser filaments propagating in air over long distances, from…”
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4
Complete temperature study of the relaxation from the high-spin state to low-spin state in a strongly cooperative spin crossover compound
Published in Chemical physics letters (11-11-2005)“…Using two complementary techniques, the relaxation of a photo-induced spin state transition in a strongly cooperative compound has been studied from 10 to 170…”
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5
Frequency-dependent vibrational population relaxation time of the OH stretching mode in liquid water
Published in Chemical physics letters (24-09-1999)“…The vibrational population relaxation time has been measured across the inhomogeneously broadened OH stretching mode ( ν 3) of a 0.5% solution of HDO in D 2O…”
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6
Multiple filamentation of non-uniformly focused ultrashort laser pulses
Published in Applied physics. B, Lasers and optics (01-02-2009)“…We propose the impingement of non-uniform wavefront curvature as a simple way to improve the longitudinal homogeneity of the plasma density along filaments…”
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7
IR Spectroscopy of Hydrogen-Bonded Methanol: Vibrational and Structural Relaxation on the Femtosecond Time Scale
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (16-12-1999)“…Two-color pump−probe spectroscopy is performed with femtosecond time resolution in the OH-stretching region of methanol oligomers in a CCl4 mixture at room…”
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8
Multiexciton Absorption Cross Sections of CdSe Nanocrystals at Band-Edge Energy
Published in 18th International Conference on Ultrafast Phenomena,Lausanne, Switzerland,2012-07-08 - 2012-07-13 (01-01-2013)“…Picosecond transient absorption signals of two kinds of cadmium selenide quantum dots were measured at various excitation intensities. The average number of…”
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Journal Article Conference Proceeding -
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Photodissociation of bromobenzene in solution
Published in Chemical physics letters (2003)“…The photodissociation of bromobenzene in solution was investigated with ultrafast transient absorption spectroscopy following excitation at 266 nm. Ab initio…”
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10
Non-monotonic decay of transient infrared absorption in dilute HDO/D2O solutions
Published in Chemical physics letters (01-06-2001)Get full text
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11
Ultrafast investigation of thermomechanical energy transfer in InAs nanowires
Published in 2023 IEEE Nanotechnology Materials and Devices Conference (NMDC) (22-10-2023)“…Building on our recent studies on InAs nanowire forest [1] as well as nanoparticles [2], here we investigate the thermomechanical energy transfer mechanisms…”
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Conference Proceeding -
12
Dielectric characterization of [Fe(NH2−trz)3]Br2•H2O thermal spin crossover compound by terahertz time domain spectroscopy
Published in Applied physics letters (12-12-2005)“…The complex optical index refraction of an iron (II) spin-crossover coordination polymer is measured in the Terahertz frequency range by Terahertz time-domain…”
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13
Propagation of laser filaments through an extended turbulent region
Published in Applied physics letters (22-10-2007)“…We show that laser filamentation can be initiated and propagate through strong extended turbulence well above the typical atmospheric values. We suggest that…”
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14
32 TW atmospheric white-light laser
Published in Applied physics letters (09-04-2007)“…Ultrahigh power laser pulses delivered by the Alisé beamline ( 26 J , 32 TW pulses) have been sent vertically into the atmosphere. The highly nonlinear…”
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15
Dielectric characterization of [ Fe ( NH 2 − trz ) 3 ] Br 2 H 2 O thermal spin crossover compound by terahertz time domain spectroscopy
Published in Applied physics letters (08-12-2005)“…The complex optical index refraction of an iron (II) spin-crossover coordination polymer is measured in the Terahertz frequency range by Terahertz time-domain…”
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Journal Article -
16
Ultrafast Study of the Photodissociation of Bromoiodomethane in Acetonitrile upon 266 nm Excitation
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (27-06-2002)“…We studied the A-band photodissociation of bromoiodomethane, CH2BrI, in acetonitrile solution at room temperature by femtosecond pump−probe spectroscopy…”
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17
Non-monotonic decay of transient infrared absorption in dilute HDO/D 2O solutions
Published in Chemical physics letters (2001)“…Transient infrared absorption of diluted HDO/D 2O solutions is measured with 150 fs laser pulses. The signal intensity decays in a heavily non-exponential way,…”
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18
Motion of hydrogen bonds in diluted HDO/D2O solutions: direct probing with 150 fs resolution
Published in Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics (01-05-2000)“…An experiment is described to study temporal variations of the hydrogen bond length in diluted HDO/D2O solutions. The principles of this laser spectroscopic…”
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Journal Article -
19
Long time revival of femtosecond laser plasma filaments in air
Published in 2009 Conference on Lasers and Electro-Optics and 2009 Conference on Quantum electronics and Laser Science Conference (01-05-2009)“…We experimentally demonstrate the revival of short lived femtosecond laser induced plasma channels in air by a nanosecond laser pulse up to several…”
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Conference Proceeding -
20
Nonlinear Fano Profiles in the Optical Second-Harmonic Generation from Silver Nanoparticles
Published 02-02-2012“…The resonance effects on the optical second harmonic generation from 140 nm silver nanoparticles is studied experimentally by hyper-Rayleigh scattering and…”
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Journal Article