Femto- and nanosecond pulse laser ablation dependence on irradiation area: The role of defects in metals and semiconductors
Sign Up to like & getrecommendations! Published in 2017 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2016.12.141
Abstract: Abstract Pulse laser ablation experiments at semiconductor-grade silicon 〈111〉 and SAE 304 stainless steel were performed with femto- and nanosecond pulse durations. Threshold fluences in dependence of beam radius (1.6–100 μm) and density of low-density defects… read more here.
Keywords: dependence; ablation; nanosecond pulse; laser ablation ... See more keywords
Dynamic features of bubble induced by a nanosecond pulse laser in still and flowing water
Sign Up to like & getrecommendations! Published in 2018 at "Optics and Laser Technology"
DOI: 10.1016/j.optlastec.2017.10.019
Abstract: Abstract Underwater laser ablation techniques have been developed and employed to synthesis nanoparticles, to texture workpiece surface and to assist the material removal in laser machining process. However, the understanding of laser-material-water interactions, bubble formation… read more here.
Keywords: laser; water; nanosecond pulse; pulse laser ... See more keywords
Nanosecond pulse breakdown in noble gases
Sign Up to like & getrecommendations! Published in 2023 at "Physics of Plasmas"
DOI: 10.1063/5.0138062
Abstract: The results of the investigation of the breakdown characteristics of the planar “open” discharge and open discharge with the generation of counter-propagating electron beams under excitation by pulses with nanosecond rise fronts are presented. The… read more here.
Keywords: breakdown noble; open discharge; noble gases; discharge ... See more keywords
Numerical analysis of nitrogen fixation by nanosecond pulse plasma
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Physics D: Applied Physics"
DOI: 10.1088/1361-6463/abdf99
Abstract: Nonthermal plasma (NTP) provides a novel approach to developing renewable and efficient nitrogen fixation (NF) technology. However, the efficiency optimization of NTP-assisted NF (NTP-NF) remains challenging due to the elusive ultra-fast plasma process, especially in… read more here.
Keywords: nitrogen fixation; nanosecond pulse; plasma; chemistry ... See more keywords
Measurements of atoms and metastable species in N2 and H2–N2 nanosecond pulse plasmas
Sign Up to like & getrecommendations! Published in 2021 at "Plasma Sources Science and Technology"
DOI: 10.1088/1361-6595/ac3053
Abstract: Time-resolved, absolute number densities of metastable N2(A3Σ u +, v = 0, 1) molecules, ground state N2 and H atoms, and rotational–translational temperature have been measured by tunable diode laser absorption spectroscopy and two-photon absorption… read more here.
Keywords: rate atom; plasmas; atom generation; nanosecond pulse ... See more keywords
Electroporation modeling of a single cell exposed to high-frequency nanosecond pulse bursts
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Dielectrics and Electrical Insulation"
DOI: 10.1109/tdei.2018.007777
Abstract: This paper considers the electroporation characteristics of a cell under high-frequency nanosecond pulse bursts. A typical two-dimensional cell system, including an organelle membrane, was discretized into nodes using MATLAB, and the mesh transport network method… read more here.
Keywords: high frequency; frequency; nanosecond pulse; pulse bursts ... See more keywords
A Novel Approach for Surface Integrity Monitoring in High-Energy Nanosecond-Pulse Laser Shock Peening: Acoustic Emission and Hybrid-Attention CNN
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Industrial Informatics"
DOI: 10.1109/tii.2022.3179273
Abstract: The high energy, transient, and nanosecond pulse of laser shock peening (LSP) renders real-time monitoring of material surface integrity challenging. Along these lines, this article proposes a novel method for real-time evaluation of the surface… read more here.
Keywords: high energy; surface; attention; integrity ... See more keywords
Laser speckle contrast imaging system using nanosecond pulse laser source
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Biomedical Optics"
DOI: 10.1117/1.jbo.25.5.056005
Abstract: Abstract. Significance: Nanosecond-pulsed laser has proven to be used to obtain the velocity of blood using the speckle contrast method. Without the scanning time, it has potential for achieving fast two-dimensional blood flow images in… read more here.
Keywords: system; nanosecond pulse; speckle contrast; laser ... See more keywords
Dynamic Stall Control around Practical Airfoil Using Nanosecond-Pulse-Driven Dielectric Barrier Discharge Plasma Actuators
Sign Up to like & getrecommendations! Published in 2020 at "Energies"
DOI: 10.3390/en13061376
Abstract: The flow control effects of a nanosecond-pulse-driven dielectric barrier discharge plasma actuator (ns-DBDPA) in dynamic stall flow were experimentally investigated. The ns-DBDPA was installed on the leading edge of an airfoil model designed in the… read more here.
Keywords: driven dielectric; pulse driven; flow control; dielectric barrier ... See more keywords
Octave-spanning visible supercontinuum generation from an aluminum nitride single crystal pumped by a 355 nm nanosecond pulse
Sign Up to like & getrecommendations! Published in 2018 at "Chinese Optics Letters"
DOI: 10.3788/col201816.043201
Abstract: Supercontinuum generation (SC) of more than one octave spectrum spanning covering from 400 nm to 820 nm was achieved by pumping a piece of aluminum nitride (AIN) single crystal using a nanosecond 355 nm ultraviolet… read more here.
Keywords: supercontinuum generation; nitride single; aluminum nitride; nanosecond pulse ... See more keywords