Ion-channel guiding in a steady-state free-electron laser

Takayama, Ken; Hiramatsu, S.

doi:10.1103/physreva.37.173

Cited by 108 publications

(65 citation statements)

References 7 publications

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“…In particular, the ICL differs fundamentally from the plasma-focused FEL [6] - [10], in which the FEL interaction is based on the wiggler magnet (with period λ w ) and radiation is emitted at the resonant wavelength λ = λ w /2γ 2 .…”

Section: Introductionmentioning

confidence: 99%

“…The propagation of electrons beams through plasmas is relevant to a variety of advanced accelerators [1] - [5] and novel radiation sources, such as the plasma-focused free electron laser (FEL) [6] - [10], the plasma-wiggler FEL [11], [12], the ion-ripple laser [13], and the ion-channel laser [14]. Recent experiments that explore the interaction of an intense electron bunch with a plasma include the plasma wakefield accelerator (PWFA) experiment at Argonne National Laboratory [3], the E-150 plasma lens experiment at Stanford Linear Accelerator Center (SLAC) [4], and the E-157 PWFA experiment at SLAC [5].…”

Section: Introductionmentioning

confidence: 99%

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Synchrotron radiation from electron beams in plasma-focusing channels

et al. 2002

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Spontaneous radiation emitted from relativistic electrons undergoing betatron motion in a plasma focusing channel is analyzed and applications to plasma wakefield accelerator experiments and to the ion channel laser (ICL) are discussed. Important similarities and differences between a free electron laser (FEL) and an ICL are delineated. It is shown that the frequency of spontaneous radiation is a strong function of the betatron strength parameter a β , which plays a similar role to that of the wiggler strength parameter in a conventional FEL. For a β > ∼ 1, radiation is emitted in numerous harmonics.Furthermore, a β is proportional to the amplitude of the betatron orbit, which varies for every electron in the beam. The radiation spectrum emitted from an electron beam is calculated by averaging the single electron spectrum over the electron distribution. This leads to a frequency broadening of the radiation spectrum, which places serious limits on the possibility of realizing an ICL.03.65. 02.60.Cb, Typeset using REVT E X 1

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Synchrotron radiation from electron beams in plasma-focusing channels

et al. 2002

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“…Ion-channel guiding of the relativistic electron beam in a FEL has been employed as an alternative to guiding by axial magnetic field [3,4]. Recent study of the electron trajectories in a helical wiggler and planner with ion-channel guiding has been carried out [5,6].…”

Section: Introductionmentioning

confidence: 99%

The Effect of Ion-Channel Guiding on the Chaotic Electron Trajectories in a Free Electron Laser

Saviz

Mehdian

2005

Acta Phys. Pol. A

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It has been confirmed that when the equilibrium self-fields were taken into account, the motion of an electron in a helical wiggler with axial magnetic field may be chaotic. In this paper, the effect of an ion-channel guiding on the chaotic electron trajectories is analyzed. It is shown that the ion--channel guiding may modify the chaotic electron trajectories. It is also found that when the parameter ε, i.e. ε = ω 2 pb /4ω 2 c , is increased, the density of the ion-channel guiding, i.e. α i = ω 2 pi /4ω 2 c , must be increased to keep the modification of the chaotic motion. The chaotic trajectories for constant parameter ε and increased density of the ion-channel guiding are presented. Numerical calculations are used to find the intersection between steady state group I and group II and resonance curves. Poincaré surface-ofsection maps are generated to demonstrate the chaotic electron trajectories with axial magnetic field and its modification in the presence of an ion--channel guiding.

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“…Some of the accelerator applications are, in addition to the PWFA, the plasma lens [8], the continuous plasma focus [9], and the plasma emittance damper [10]. In addition, both theoretical [11] and experimental work [12] have looked at the generation of coherent radiation from beams in the IFR. Both theoretical [13] and experimental [14] work have shown that a transverse instability exists.…”

Section: What Is the Hosing Instability?mentioning

confidence: 99%

Hosing Instability of the Drive Electron Beam in the E157 Plasma-Wakefield Acceleration Experiment at the Stanford Linear Accelerator

Blue¹

2005

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Ion-channel guiding in a steady-state free-electron laser

Cited by 108 publications

References 7 publications

Synchrotron radiation from electron beams in plasma-focusing channels

Synchrotron radiation from electron beams in plasma-focusing channels

The Effect of Ion-Channel Guiding on the Chaotic Electron Trajectories in a Free Electron Laser

Hosing Instability of the Drive Electron Beam in the E157 Plasma-Wakefield Acceleration Experiment at the Stanford Linear Accelerator

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