Search Results - "Ekanayake, Nagitha"
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1
H2 roaming chemistry and the formation of H3+ from organic molecules in strong laser fields
Published in Nature communications (05-12-2018)“…Roaming mechanisms, involving the brief generation of a neutral atom or molecule that stays in the vicinity before reacting with the remaining atoms of the…”
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Journal Article -
2
Mechanisms and time-resolved dynamics for trihydrogen cation (H3+) formation from organic molecules in strong laser fields
Published in Scientific reports (05-07-2017)“…Strong-field laser-matter interactions often lead to exotic chemical reactions. Trihydrogen cation formation from organic molecules is one such case that…”
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Journal Article -
3
Direct measurement of the pulse duration and frequency chirp of seeded XUV free electron laser pulses
Published in New journal of physics (01-01-2018)“…We report on a direct time-domain measurement of the temporal properties of a seeded free-electron laser pulse in the extreme ultraviolet spectral range…”
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Journal Article -
4
Mapping few-femtosecond slices of ultra-relativistic electron bunches
Published in Scientific reports (25-05-2017)“…Free-electron lasers are unique sources of intense and ultra-short x-ray pulses that led to major scientific breakthroughs across disciplines from matter to…”
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Journal Article -
5
Toward ultrafast magnetic depth profiling using time-resolved x-ray resonant magnetic reflectivity
Published in Structural dynamics (Melville, N.Y.) (01-05-2021)“…During the last two decades, a variety of models have been developed to explain the ultrafast quenching of magnetization following femtosecond optical…”
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Journal Article -
6
H 2 roaming chemistry and the formation of H 3 + from organic molecules in strong laser fields
Published in Nature communications (05-12-2018)“…Roaming mechanisms, involving the brief generation of a neutral atom or molecule that stays in the vicinity before reacting with the remaining atoms of the…”
Get full text
Journal Article -
7
Time-Resolved Single-Particle X‑ray Scattering Reveals Electron-Density Gradients As Coherent Plasmonic-Nanoparticle-Oscillation Source
Published in Nano letters (12-07-2023)“…Dynamics of optically excited plasmonic nanoparticles are presently understood as a series of scattering events involving the initiation of nanoparticle…”
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Journal Article -
8
Ultrafast MHz‐Rate Burst‐Mode Pump–Probe Laser for the FLASH FEL Facility Based on Nonlinear Compression of ps‐Level Pulses from an Yb‐Amplifier Chain
Published in Laser & photonics reviews (01-03-2022)“…The Free‐Electron Laser (FEL) FLASH offers the worldwide still unique capability to study ultrafast processes with high‐flux, high‐repetition rate extreme…”
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Journal Article -
9
Time-Resolved X‑ray Photoelectron Spectroscopy: Ultrafast Dynamics in CS2 Probed at the S 2p Edge
Published in The journal of physical chemistry letters (10-08-2023)“…Recent developments in X-ray free-electron lasers have enabled a novel site-selective probe of coupled nuclear and electronic dynamics in photoexcited…”
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Journal Article -
10
Time-Resolved X-ray Photoelectron Spectroscopy: Ultrafast Dynamics in CS 2 Probed at the S 2p Edge
Published in The journal of physical chemistry letters (03-08-2023)“…Recent developments in X-ray free-electron lasers have enabled a novel site-selective probe of coupled nuclear and electronic dynamics in photoexcited…”
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Journal Article -
11
Probing electron and hole colocalization by resonant four-wave mixing spectroscopy in the extreme ultraviolet
Published in Science advances (20-05-2022)“…Extending nonlinear spectroscopic techniques into the x-ray domain promises unique insight into photoexcited charge dynamics, which are of fundamental and…”
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Journal Article -
12
Free-electron laser multiplex driven by a superconducting linear accelerator
Published in Journal of synchrotron radiation (01-09-2016)“…Free‐electron lasers (FELs) generate femtosecond XUV and X‐ray pulses at peak powers in the gigawatt range. The FEL user facility FLASH at DESY (Hamburg,…”
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Journal Article -
13
X-ray induced Coulomb explosion imaging of transient excited-state structural rearrangements in CS2
Published in Communications physics (20-10-2023)“…Structural imaging of transient excited-state species is a key goal of molecular physics, promising to unveil rich information about the dynamics underpinning…”
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Journal Article -
14
Photoionization of highly charged ions from ultra-intense, ultraviolet and near-infrared radiation fields
Published 01-01-2013“…High intensity laser light was instrumental for notable advances across an exceptional range of disciplines including plasma physics, quantum control,…”
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Dissertation -
15
Photoionization of highly charged ions from ultra-intense, ultraviolet and near-infrared radiation fields
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Dissertation -
16
Probing electron and hole co-localization by resonant four-wave mixing in the extreme-ultraviolet
Published 03-12-2021“…The extension of nonlinear spectroscopic techniques into the x-ray domain is in its infancy but holds the promise to provide unique insight into the dynamics…”
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Journal Article -
17
Ultrafast MHz-rate burst-mode pump-probe laser for the FLASH FEL facility based on nonlinear compression of ps-level pulses from an Yb-amplifier chain
Published 12-05-2021“…The Free-Electron Laser (FEL) FLASH offers the worldwide still unique capability to study ultrafast processes with high-flux, high-repetition rate XUV and soft…”
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Journal Article -
18
Operation of a seeded XUV free-electron laser at DESY with high-gain harmonic generation
Published in 2017 Conference on Lasers and Electro-Optics (CLEO) (01-05-2017)“…The XUV free electron laser FLASH, has been recently operated in the high-gain harmonic generation (HGHG) mode. We characterized the laser-induced energy…”
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Conference Proceeding -
19
Strong-field laser initiated H2 roaming chemistry and the formation of H3+ from organic molecules
Published in 2018 Conference on Lasers and Electro-Optics (CLEO) (01-05-2018)“…H2 roaming has been recently implicated in H3 + production when certain organic molecules interact with a strong-field laser. Mechanistic details and…”
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Conference Proceeding