Search Results - "Weathersby, S"
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Femtosecond Compression Dynamics and Timing Jitter Suppression in a THz-driven Electron Bunch Compressor
Published in Physical review letters (04-02-2020)“…We present the first demonstration of THz driven bunch compression and timing stabilization of a relativistic electron beam. Quasi-single-cycle strong field…”
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2
The photochemical ring-opening of 1,3-cyclohexadiene imaged by ultrafast electron diffraction
Published in Nature chemistry (01-06-2019)“…The ultrafast photoinduced ring-opening of 1,3-cyclohexadiene constitutes a textbook example of electrocyclic reactions in organic chemistry and a model for…”
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3
Ultrafast electron diffraction from non-equilibrium phonons in femtosecond laser heated Au films
Published in Applied physics letters (25-01-2016)“…We use ultrafast electron diffraction to detect the temporal evolution of non-equilibrium phonons in femtosecond laser-excited ultrathin single-crystalline…”
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4
Terahertz-based subfemtosecond metrology of relativistic electron beams
Published in Physical review. Accelerators and beams (07-01-2019)“…We demonstrate single-shot temporal characterization of relativistic electron bunches using single-cycle terahertz (THz) field streaking. A transverse…”
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5
Imaging the short-lived hydroxyl-hydronium pair in ionized liquid water
Published in Science (American Association for the Advancement of Science) (01-10-2021)“…The radiolysis of water is ubiquitous in nature and plays a critical role in numerous biochemical and technological applications. Although the elementary…”
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6
Femtosecond mega-electron-volt electron microdiffraction
Published in Ultramicroscopy (01-01-2018)“…•We experimentally demonstrated a time-resolved electron microdiffraction technique using mega-electron-volt electrons for studies of ultrafast structural…”
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7
Evidence of high harmonics from echo-enabled harmonic generation for seeding x-ray free electron lasers
Published in Physical review letters (11-01-2012)“…Echo-enabled harmonic generation free electron lasers hold great promise for the generation of fully coherent radiation in x-ray wavelengths. Here we report…”
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8
Demonstration of the echo-enabled harmonic generation technique for short-wavelength seeded free electron lasers
Published in Physical review letters (10-09-2010)“…We report the first experimental demonstration of the echo-enabled harmonic generation technique, which holds great promise for generation of high-power, fully…”
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9
Fast attenuation of high-frequency acoustic waves in bicontinuous nanoporous gold
Published in Applied physics letters (09-08-2021)“…We studied the formation and attenuation of GHz elastic waves in free-standing nanoporous gold films by MeV ultrafast electron diffraction and finite element…”
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10
Precision Plasmonics with Monomers and Dimers of Spherical Gold Nanoparticles: Nonequilibrium Dynamics at the Time and Space Limits
Published in Journal of physical chemistry. C (30-05-2019)“…Monomers and dimers of spherical gold nanoparticles (NPs) exhibit highly uniform plasmonic properties at the single-particle level due to their high structural…”
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11
Liquid-phase mega-electron-volt ultrafast electron diffraction
Published in Structural dynamics (Melville, N.Y.) (01-03-2020)“…The conversion of light into usable chemical and mechanical energy is pivotal to several biological and chemical processes, many of which occur in solution. To…”
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12
Femtosecond gas-phase mega-electron-volt ultrafast electron diffraction
Published in Structural dynamics (Melville, N.Y.) (01-09-2019)“…The development of ultrafast gas electron diffraction with nonrelativistic electrons has enabled the determination of molecular structures with atomic spatial…”
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13
High gradient experiments with X -band cryogenic copper accelerating cavities
Published in Physical review. Accelerators and beams (23-10-2018)“…Vacuum radio-frequency (rf) breakdown is one of the major factors that limit operating accelerating gradients in rf particle accelerators. The occurrence of rf…”
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14
Dynamics of Electron–Phonon Coupling in Bicontinuous Nanoporous Gold
Published in Journal of physical chemistry. C (19-07-2018)“…The nanosize effect on electron–phonon interactions in free-electron noble metals has been a subject of intense discussion because of their important…”
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15
Quantitative agreement between dynamical rocking curves in ultrafast electron diffraction for x-ray lasers
Published in Ultramicroscopy (01-04-2021)“…Electron diffraction through a thin patterned silicon membrane can be used to create complex spatial modulations in electron distributions. By precisely…”
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16
Thickness-dependent electron-lattice equilibration in laser-excited thin bismuth films
Published in New journal of physics (19-11-2015)“…Electron-phonon coupling processes determine electronic transport properties of materials and are responsible for the transfer of electronic excess energy to…”
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17
Highly coherent vacuum ultraviolet radiation at the 15th harmonic with echo-enabled harmonic generation technique
Published in Physical review special topics. PRST-AB. Accelerators and beams (21-07-2014)“…X-ray free-electron lasers are enabling access to new science by producing ultrafast and intense x rays that give researchers unparalleled power and precision…”
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18
Generating periodic terahertz structures in a relativistic electron beam through frequency down-conversion of optical lasers
Published in Physical review letters (16-08-2012)“…We report generation of density modulation at terahertz (THz) frequencies in a relativistic electron beam through laser modulation of the beam longitudinal…”
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19
Electron-lattice energy relaxation in laser-excited thin-film Au-insulator heterostructures studied by ultrafast MeV electron diffraction
Published in Structural dynamics (Melville, N.Y.) (01-09-2017)“…We apply time-resolved MeV electron diffraction to study the electron-lattice energy relaxation in thin film Au-insulator heterostructures. Through precise…”
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20
Generation of coherent broadband photon pulses with a cascaded longitudinal space-charge amplifier
Published in Physical review letters (28-06-2013)“…The longitudinal space-charge amplifier has been recently proposed by Schneidmiller and Yurkov as an alternative to the free-electron laser instability for the…”
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