English
Related papers

Related papers: Structure, dynamics and light localization in self…

200 papers

Laser-produced plasma (LPP) induced during irradiation of a liquid tin droplet with diameter of 150 um and 180 um by CO2 laser pulse with various pulse durations and energies is considered. The two-dimensional radiative magnetohydrodynamic…

Plasma Physics · Physics 2022-10-05 Vasily S Zakharov , Xinbing Wang , Sergey V. Zakharov , Duluo Zuo , Junwu Wang

Using spectral interferometry technique, we measured subpicosecond time-resolved pre-plasma scale lengths and early expansion ($<$ 12 ps) of the plasma produced by a high intensity (2$\times$10$^{18}$ W/cm$^{2}$) pulse with ultra-high…

Plasma Physics · Physics 2021-10-28 Ankit Dulat , C. Aparajit , Anandam Choudhary , Amit D. Lad , Yash M. Ved , G. Ravindra Kumar

The engineering of localised modes in photonic structures is one of the main targets of modern photonics. An efficient strategy to design these modes is to use the interplay of constructive and destructive interference in periodic photonic…

An ionization-induced plasma grating can be formed by spatially selective ionization of gases by the interference of two intersecting ultra-short laser pulses. The density modulation of a plasma grating can approach unity since the plasma…

Plasma Physics · Physics 2021-09-01 Chaojie Zhang , Zan Nie , Yipeng Wu , Mitchell Sinclair , Chen-Kang Huang , Ken A. Marsh , Chan Joshi

A new experimental technique for investigating characteristics of plasma generated with plasmotrons in electrophysical installations was proposed. The technique involves a simultaneous registration of both radiation spectra and images of…

Plasma Physics · Physics 2007-05-23 V. Yu. Khomich , I. I. Kumkova , Yu. A. Zheleznov

Polarization and radiation reaction (RR) effects in the interaction of a superintense laser pulse (I > 10^23 W/cm^2) with a thin plasma foil are investigated with three dimensional particle-in-cell (PIC) simulations. For a linearly…

Plasma Physics · Physics 2012-02-01 M. Tamburini , T. V. Liseykina , F. Pegoraro , A. Macchi

With an implicit Particle-in-cell/Monte Carlo model, capacitively coupled plasmas are studied in two-dimensional and axisymmetric geometry. Self-bias dc voltage effects are self-consistently considered. Due to finite length effects, the…

Plasma Physics · Physics 2011-04-22 Wei Jiang , Hong-yu Wang , Zhen-hua Bi , You-nian Wang

Spatiotemporal control encompasses a variety of techniques for producing laser pulses with dynamic intensity peaks that move independently of the group velocity. This controlled motion of the intensity peak offers a new approach to…

Plasma Physics · Physics 2023-12-20 D. Li , K. G. Miller , J. R. Pierce , W. B. Mori , A. G. R. Thomas , J. P. Palastro

The dynamics of solvated electrons were visualized using absorption imaging with sub-picosecond time resolution based on a pump-probe measurement during the early stages of femtosecond laser-induced plasma generation in water. The solvated…

We demonstrate a new highly tunable technique for generating meter-scale low density plasma waveguides. Such guides can enable electron acceleration to tens of GeV in a single stage. Plasma waveguides are imprinted in hydrogen gas by…

Optics · Physics 2020-08-19 B. Miao , L. Feder , J. E. Shrock , A. Goffin , H. M. Milchberg

We investigate a new class of optical mesh periodic structures that are discretized in both the transverse and longitudinal directions. These networks are composed of waveguide arrays that are discretely coupled while phase elements are…

We generate experimentally different types of two-dimensional self-trapped photonic lattices in a photorefractive medium and analyze the induced refractive index change using two different methods. One method gives the first experimental…

Pattern Formation and Solitons · Physics 2009-11-11 Bernd Terhalle , Denis Traeger , Liqin Tang , Joerg Imbrock , Cornelia Denz

Electrostatic solitary structures are generated by injection of a suprathermal electron beam parallel to the magnetic field in a laboratory plasma. Electric microprobes with tips smaller than the Debye length ($\lambda_{De}$) enabled the…

Moire lattices consist of two identical periodic structures overlaid with a relative rotation angle. Present even in everyday life, moire lattices have been also produced, e.g., with coupled graphene-hexagonal boron nitride monolayers,…

A scheme to generate magnetized relativistic plasmas in laboratory is proposed. It is based on interaction of ultra-high-intensity sub-picosecond laser pulses with few-micron thick foils or films. By means of Particle-In-Cell simulations it…

Plasma Physics · Physics 2023-02-03 Artem V. Korzhimanov

We review recent PIC simulation results which show that double-sided irradiation of a thin over-dense plasma slab with ultra-intense laser pulses from both sides can lead to sustained comoving Poynting flux acceleration of electrons to…

Astrophysics · Physics 2008-11-26 Edison Liang

Electronic parametric instabilities of an ultrarelativistic circularly polarized laser pulse propagating in underdense plasmas are studied by numerically solving the dispersion relation which includes the effect of the radiation reaction…

Plasma Physics · Physics 2020-03-05 Ferdinand Gleixner , Naveen Kumar

Through examining the product of the mathematical variance of intensity with respect to time and frequency, we arrive at a temporal characterization of laser pulses through parameters for pulse duration, group delay dispersion and temporal…

The acceleration of charged particles is fundamental not only for experimental studies in particle physics but also for applications in fields such as semiconductor manufacturing and medical therapies. However, conventional accelerators…

Plasma Physics · Physics 2025-06-24 Jesús E. López , Eduardo A. Orozco

The dynamics of electric field generation and radial acceleration of ions by a laser pulse of relativistic intensity propagating in an underdense plasma has been investigated using an one-dimensional electrostatic, ponderomotive model…

Plasma Physics · Physics 2008-07-30 A. Macchi , F. Ceccherini , F. Cornolti , S. Kar , M. Borghesi
‹ Prev 1 8 9 10 Next ›