Optical-field-ionized plasma x-ray lasers

Eder, D. C.; Amendt, Peter; Wilks, S. C.

doi:10.1103/physreva.45.6761

Cited by 106 publications

(57 citation statements)

References 13 publications

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“…The net energy that transfers to the electrons in the presence of laser field by the different heating mechanisms is known as electron residual energy. Recently, the electron residual energy in optical field-ionized plasmas has extensively been elaborated by many theoretical and experimental physicists [11][12][13][14][15][16][17][18]. The residual momentum and energy of electron 3 are analytically investigated as a function of gas and laser parameters.…”

Section: -Introductionmentioning

confidence: 99%

Electron residual energy due to stochastic heating in field-ionized plasma

et al. 2015

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The electron residual energy originated from the stochastic heating in underdense field-ionized plasma is here investigated. The optical response of plasma is initially modeled by using the concept of two counter-propagating electromagnetic waves. The solution of motion equation of a single electron indicates that by including the ionization, the electron with higher residual energy compared to the case without ionization could be obtained. In agreement with chaotic nature of the motion, it is found that the electron residual energy will significantly be changed by applying a minor change to the initial conditions. Extensive kinetic 1D-3V particle-in-cell (PIC) simulations have been performed in order to resolve full plasma reactions. In this way, two different regimes of plasma behavior are observed by varying the pulse length. The results indicate that the amplitude of scattered fields in sufficient long pulse length is high enough to act as a second

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Section: -Introductionmentioning

confidence: 99%

Electron residual energy due to stochastic heating in field-ionized plasma

et al. 2015

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“…2 The interaction of ultraintense and ultrashort laser pulses with plasma has attracted a lot of interest in fundamental research and technological applications, such as particle acceleration, inertial confinement fusion, and x-ray lasers. [3][4][5][6][7][8][9][10][11] When laser intensity reaches 10 18 W/cm 2 , the quiver motion of the electrons is relativistic, thus the nonlinear interaction between laser and plasma becomes particularly important. A series of nonlinear effects have been observed theoretically and experimentally, such as relativistic self-focusing, pulse compression, laser pulse frequency shifting, high harmonic excitation, and wake-field generation.…”

Section: Introductionmentioning

confidence: 99%

Relativistic laser pulse compression in magnetized plasmas

et al. 2015

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The self-compression of a weak relativistic Gaussian laser pulse propagating in a magnetized plasma is investigated. The nonlinear Schrödinger equation, which describes the laser pulse amplitude evolution, is deduced and solved numerically. The pulse compression is observed in the cases of both left- and right-hand circular polarized lasers. It is found that the compressed velocity is increased for the left-hand circular polarized laser fields, while decreased for the right-hand ones, which is reinforced as the enhancement of the external magnetic field. We find a 100 fs left-hand circular polarized laser pulse is compressed in a magnetized (1757 T) plasma medium by more than ten times. The results in this paper indicate the possibility of generating particularly intense and short pulses.

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“…The generation of ultraintense subpicosecond and femtosecond laser pulses is crucial for a number of scientific and technical applications, such as plasma-based particle accelerators (Tajima, 1985;Giulietti et al, 2005;Joshi, 2006), inertial confinement fusion (ICF) (Borisenko et al, 2008;Deutsch et al, 2008;Eliezer et al, 2007;Hora, 2007aHora, , 2007bKline et al, 2009;Rodriguez et al, 2008;Romagnani et al, 2008;Seifter et al, 2009;Winterberg, 2008;Zvorykin et al, 2007), and X-ray lasers (Eder et al, 1992;Faenov et al, 2007). For example, with the help of lasers whose intensity at the lens focus is about 10 23 W/cm 2 , one can investigate nuclear reactions (Renner et al, 2008) and the effects of nonlinear quantum electrodynamics (Andreev, 2002).…”

Section: Introductionmentioning

confidence: 99%

Laser pulse compression and amplification via Raman backscattering in plasma

Sharma

Kourakis

2009

Laser Part. Beams

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A simple theoretical model is proposed for the interaction between two counter-propagating laser pulses (a pump and a seed pulse) in unmagnetized plasma. Pulse compression and amplification are observed via numerical simulation. A one dimensional fluid model for stimulated Raman backscattering is proposed to investigate the pulse compression and pulse amplification mechanisms. To accomplish this, energy is transferred from the long pump pulse to a seed pulse, with a Langmuir plasma wave mediating the transfer. The study focuses on the intensity profile of the pump laser pulse. A Gaussian and a ring intensity profile are, separately, considered for the pump laser pulse.

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Optical-field-ionized plasma x-ray lasers

Cited by 106 publications

References 13 publications

Electron residual energy due to stochastic heating in field-ionized plasma

Electron residual energy due to stochastic heating in field-ionized plasma

Relativistic laser pulse compression in magnetized plasmas

Laser pulse compression and amplification via Raman backscattering in plasma

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