Tantalum ion acceleration in laser‐generated plasma and dependence on the pulse duration
Sign Up to like & getrecommendations! Published in 2019 at "Contributions to Plasma Physics"
DOI: 10.1002/ctpp.201900043
Abstract: The laser irradiation of tantalum targets is presented for different pulsed laser intensities ranging from 1010 up to about 1018 W/cm2 and pulse durations from 9 ns up to 40 fs. The results show that the produced… read more here.
Keywords: pulse duration; laser; duration; ion acceleration ... See more keywords
Promoting the Range and Range Resolution of a LIDAR (DIAL) System Using a Suitable Pinhole Plasma Shutter
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Russian Laser Research"
DOI: 10.1007/s10946-017-9665-1
Abstract: Pulsed transversely exited atmospheric (TEA) CO2 lasers, employed extensively in various applications such as light detection and ranging (LIDAR), have a pulse duration of about a microsecond due totheir nitrogen tail. In order to promote… read more here.
Keywords: laser; system; range; plasma shutter ... See more keywords
The trade-off between pulse duration and power in optical excitation of midbrain dopamine neurons approximates Bloch’s law
Sign Up to like & getrecommendations! Published in 2022 at "Behavioural Brain Research"
DOI: 10.1016/j.bbr.2021.113702
Abstract: Optogenetic experiments reveal functional roles of specific neurons. However, functional inferences have been limited by widespread adoption of a restricted set of stimulation parameters. Broader exploration of the parameter space can deepen insight into the… read more here.
Keywords: pulse duration; trade pulse; duration; power ... See more keywords
Pulse Duration as Well as Current Direction Determines the Specificity of Transcranial Magnetic Stimulation of Motor Cortex during Contraction
Sign Up to like & getrecommendations! Published in 2017 at "Brain Stimulation"
DOI: 10.1016/j.brs.2016.09.008
Abstract: Highlights • Selective stimulation of inputs to corticospinal neurons may be achieved by manipulating current direction and pulse duration.• Neural populations recruited by brief (30 μs) anterior–posterior currents exhibited the greatest sensitivity to somatosensory input.•… read more here.
Keywords: pulse duration; motor cortex; current direction; stimulation ... See more keywords
Study on weld formation and segregation mechanism for dissimilar pulse laser welding of NiTi and Cu wires
Sign Up to like & getrecommendations! Published in 2021 at "Optics and Laser Technology"
DOI: 10.1016/j.optlastec.2021.107071
Abstract: Abstract In this study, laser microwelding was adopted to join NiTi and Cu wires using different laser pulse duration. The cross section of welded samples showed no visible defect, but some intermetallic compounds were formed… read more here.
Keywords: segregation; duration; niti wires; pulse duration ... See more keywords
Applying high voltage cathodic pulse with various pulse durations on aluminium via micro-arc oxidation (MAO)
Sign Up to like & getrecommendations! Published in 2018 at "Surface and Coatings Technology"
DOI: 10.1016/j.surfcoat.2018.04.085
Abstract: Abstract The present study is an investigation of the effect of pulse duration on properties of coatings formed on aluminium alloy in alkaline solution via using of high voltage cathodic pulses. Nine different anodic-cathodic pulse… read more here.
Keywords: high voltage; voltage; voltage cathodic; pulse duration ... See more keywords
Coherence and pulse duration characterization of the PAL-XFEL in the hard X-ray regime
Sign Up to like & getrecommendations! Published in 2019 at "Scientific Reports"
DOI: 10.1038/s41598-019-39765-3
Abstract: We characterize the spatial and temporal coherence properties of hard X-ray pulses from the Pohang Accelerator Laboratory X-ray Free Electron Laser (PAL-XFEL, Pohang, Korea). The measurement of the single-shot speckle contrast, together with the introduction… read more here.
Keywords: hard ray; coherence; pulse duration; ray ... See more keywords
Energy feedthrough and microstructure evolution during direct laser peening of aluminum in femtosecond and picosecond regimes
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Applied Physics"
DOI: 10.1063/5.0052510
Abstract: Ultrafast laser was recently used to modify the surface integrity and peen the surface region of aluminum based alloy 2024-T351 without a sacrificial layer prior to the process. We show that controllable laser parameters such… read more here.
Keywords: laser; surface; aluminum; compressive residual ... See more keywords
Propagation of a light pulse with a duration of less than one period in a resonant amplifying medium
Sign Up to like & getrecommendations! Published in 2018 at "Quantum Electronics"
DOI: 10.1070/qel16619
Abstract: The propagation of a unipolar light pulse with a duration of less than one period in a two-level resonant amplifying medium is studied theoretically. In the process of amplification, the unipolar pulse becomes bipolar. The… read more here.
Keywords: duration; less one; light pulse; one period ... See more keywords
Thrust generation of the cathodic arc in ambient air
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Physics D: Applied Physics"
DOI: 10.1088/1361-6463/ab222d
Abstract: Thrust and current-voltage characteristics of pulsed cathodic arcs operating in vacuum and ambient air are presented and analyzed. In near vacuum conditions the thrust is proportional to the pulse duration, whereas in atmospheric pressure air… read more here.
Keywords: air thrust; physics; thrust generation; air ... See more keywords
Tungsten diselenide for mode-locked erbium-doped fiber lasers with short pulse duration.
Sign Up to like & getrecommendations! Published in 2018 at "Nanotechnology"
DOI: 10.1088/1361-6528/aaae40
Abstract: In this paper, a WSe2 film prepared by chemical vapor deposition (CVD) is transferred onto a tapered fiber, and a WSe2 saturable absorber (SA) is fabricated. In order to measure the third-order optical nonlinearity of… read more here.
Keywords: mode locked; mode; doped fiber; locked erbium ... See more keywords