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Sunday, August 9, 2020 | History

1 edition of An investigation of the self-generated magnetic fields associated with a laser-produced plasma found in the catalog.

# An investigation of the self-generated magnetic fields associated with a laser-produced plasma

## by Leslie Lawrence McKee

Published .
Written in English

Subjects:
• Physics

• The Physical Object
Paginationp. ;
ID Numbers
Open LibraryOL25312606M

Publications by the UC San Diego Center for Energy Research. F. N., Reduced fast electron transport in shock-heated plasma in multilayer targets due to self-generated magnetic fields. Lee, S. K.; Nam, C. H., Spectral tomographic analysis of Bremsstrahlung X-rays generated in a laser-produced plasma. The saturation of the electron beam filamentation instability by the self-generated magnetic field and magnetic pressure Quenching of the Nonlocal Electron Heat Transport by Large External Magnetic Fields in a Laser-Produced Plasma Measured with Imaging Thomson Investigation of a hydrogen plasma waveguide, D.J. Spence, et al.

[53] Langmuir's discovery of plasma sheaths in laboratory plasmas triggered Alfvén's [] recognition that the DC electric fields associated with plasma sheaths could explain the magnetic‐field‐aligned particle acceleration process and inspired Alfvén's model of an electron‐accelerating potential gradient in the auroral plasma [Brush Cited by: Devices and methods are provided for generating laser-accelerated high energy polyenergetic positive ion beams that are spatially separated and modulated based on energy level. The spatially separated and modulated high energy polyenergetic positive ion beams are used for radiation therapy. In addition, methods are provided for treating patients in radiation treatment centers using Cited by:

Laser-plasma ion acceleration is a new field of Physics rapidly evolving thanks to the continuing development of high power laser systems, thus allowing to investigate the interaction of ultrahigh laser intensities (>10 19 W/cm 2) with chateau-du-bezy.com a result of such interaction, extremely high electric and magnetic fields are chateau-du-bezy.com by: We will present measurements of Alfven waves radiated from the laser-produced plasma, as well as a characterization of the evolution and particle distribution of the laser-produced plasma `piston'. [Preview Abstract] PP Observation of Thermal Effects for Shock Wave Acceleration in .

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### An investigation of the self-generated magnetic fields associated with a laser-produced plasma by Leslie Lawrence McKee Download PDF EPUB FB2

Volume hA, number 5,6 PHYSICS LETTERS 28 May SELF-GENERATED MAGNETIC FIELDS IN LASER PRODUCED PLASMAS 0. WILLI Department of Engineering Science, Oxford University, Oxford, UK A. RAVEN and P.T. RUMSBY Rutherford Laboratory, Chilton, Didcot, Oxon OXJI OQX, UK Received 28 March The intensity and target material dependence of self-generated magnetic fields in Cited by: 7.

Full text of "An investigation of self-generated magnetic fields and electron emission in laser-produced chateau-du-bezy.com other formats AN INVESTIGATION OF SELF-GENERATED MAGNETIC FIELDS AND ELECTRON EMISSION IN LASER PRODUCED PLASMAS Roger Salisbury Case NAVAL POSTGRADUATE SCHOOL Monterey, California THESIS An Invest.

An Investigation of the Self-Generated Magnetic Fields Associated with a Laser-Produced Plasma, Ph.D. Thesis, Naval Postgraduate School, McLaughlin, T.A., Inductive Magnetic Probe Diagnostics in a Plasma, MS Thesis, Naval Postgraduate School, The dependence of the self-generated magnetic fields associated with a laser-produced plasma on position, time, incident laser power, and nitrogen background pressure has been investigated.

Measurements of Spontaneous Magnetic Fields in Laser-Produced Plasmas. Authors; Authors and affiliations; Self-Generated Magnetic Fields Produced by Laser Bombardment of a Solid Target, An Investigation of the Self-Generated Magnetic Fields Associated with a Laser-Produced Plasma, Ph.D.

Thesis, Naval Postgraduate School, Cited by: 7. Definition. Plasma is a state of matter in which an ionized gaseous substance becomes highly electrically conductive to the point that long-range electric and magnetic fields dominate the behaviour of the matter.

The plasma state can be contrasted with the other states: solid, liquid, and gas. Plasma is an electrically neutral medium of unbound positive and negative particles (i.e. the. Self-Generated Magnetic Fields The large size and complexity of tokamaks stimulates a search for simpler configurations that could achieve the goal of sustaining a thermonuclear plasma.

The present work considers the possibility energy input by electromagnetic waves, and confinement by a self-generated magnetic field configuration with the outward.

Apr 13,  · Self generated magnetic field by an amplitude modulated intense laser beam in a tunnel ionized inhomogeneous plasma embedded with atomic clusters is studied. The transverse profile of the laser (along $${\hat{{y}}}$$) is cosine and the clusters are taken to undergo Coulomb explosion thereby creating a plasma with decreasing density with chateau-du-bezy.com: Hirdesh Sharma, Jetendra Parashar.

Introduction. Self-generated magnetic fields (SGMF) of the order of kG to few MG, are generated in high density, high temperature laser produced plasmas. The knowledge of the magnetic field is important as they can significantly inhibit the heat transport, in the inertial confinement fusion (ICF) plasmas.

The first measurements of SGMF in a low density laser produced plasma, away from Cited by: 2. First experiments probing the collision of parallel magnetic fields using laser-produced plasmas M.

Rosenberg, C. Li, W. Fox, I. Igumenshchev, F. Séguin, R. Town, J. Frenje, C. Stoeckl, V. First experiments probing the collision of parallel magnetic fields using laser-produced plasmas self-generated magnetic ﬁelds. Effect of self-generated magnetic field on the two-plasmon decay instability in a laser-produced plasma Article (PDF Available) in Il Nuovo Cimento D 10(10) · October with 26 Reads.

Abstract. The enhancement and redistribution of a self-generated quasistatic magnetic field, due to the presence of the polarization field induced by partially ionized atoms, are analytically revealed when a linearly polarized intense and short pulse laser propagates in a.

Self generated magnetic fields in laser-produced shock waves Technical Report Parlar, C.Y. The generation of spontaneous magnetic fields in a plasma produced by a Joule, 22 nanosecond laser pulse and the generation of the reversed magnetic fields after several hundred nanoseconds due to the interaction between the laser produced plasma and.

Dec 23,  · Self-generated magnetic fields produced in laser plasmas at moderate laser intensities have been measured using a three-channel polaro-interferometer. The main elements of this device are two birefringent calcite wedges placed between two crossed polarizers. Using this device, the spatial profiles of (a) the rotation angle (polarometry), (b) the electron density (interferometry), and (c) the Cited by: 1.

With this project, we are exploring the fundamental microphysics of collisionless shock formation and magnetic-field amplification using laser-produced plasma streams that can be associated with the dynamics of astrophysical processes. Jan 18,  · Laser-generated ion acceleration has received increasing attention due to recent progress in super-intense lasers.

Here the authors demonstrate Cited by: Apr 13,  · Recently, novel experiments on magnetic reconnection have been conducted in laser-produced plasmas in a high-energy-density regime.

Individual plasma bubbles self-generate toroidal, mega-gauss-scale magnetic fields through the Biermann battery effect. When multiple bubbles are created at small separation, they expand into one another, driving reconnection of this chateau-du-bezy.com by: Recent theses are made available electronically at DataSpace.

Name Title Advisor(s) Raburn, Daniel. Efficient Numerical Calculation of MHD Equilibria with Magnetic Islands, with Particular Application to Saturated Neoclassical Tearing Modes.

View Yelchuri BSR Prasad’s profile on LinkedIn, the world's largest professional community. of self generated magnetic fields and the plasma density in laser produced plasmas from the Title: Laser Plasma Section, Raja.

Jun 01,  · Magnetic fields range from quadrillionths of a gauss in the cosmic voids of the universe, to several microgauss in galaxies and galaxy clusters (ordinary refrigerator magnets have magnetic fields.

The laser produced laboratory plasmas can be over-dense (Solid Plasma Mirrors1 or special Gas-jets2) or under-dense (Gas-jets) and are home to world’s largest magnetic fields, smallest particle accelerators and tiniest sources of the shortest known attosecond XUV pulses.Imagine taking the output of the entire global power grid for a few billionths of a second and focusing it with a large laser onto the surface of a hollow capsule no bigger than the head of a pin.

Next, imagine filling the capsule with isotopes of hydrogen (deuterium and tritium), then sitting back.and reconnection of self-generated spontaneous electromagnetic fields and associated plasma instabilities, high-Mach-number plasma jets, and charged-particle stopping power in various laser-produced HED plasmas.

We will present details of this research.! REFERENCES.