Analytical and numerical investigations of the evolution of wake fields of accelerated electron beams encountering cavity discontinuities in laser-driven RF-free electron laser photoinjector

Salah, Wael A.

doi:10.1016/j.nima.2004.05.129

Cited by 7 publications

(14 citation statements)

References 14 publications

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“…[2] From radiotherapy to nuclear physics research, particle accelerators constitute a powerful device under continuous development. Actual applications of accelerators and storage rings introduce high restrictive design constraints on beam intensity and emittance [Salah and Dolique, 1999;Salah, 2004;Gai et al, 1997]. In order to achieve optimum performance, an accurate understanding of the involved physics is required.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of time domain electromagnetic fields radiated by constant velocity moving particles traveling along an arbitrarily shaped cross‐section waveguide using frequency domain Green's functions

Nogales¹,

Marini²,

Martínez³

et al. 2012

Radio Science

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[1] A technique for the accurate computation of the time domain electromagnetic fields radiated by a charged distribution traveling along an arbitrarily shaped waveguide region is presented. Based on the transformation (by means of the standard Fourier analysis) of the time-varying current density of the analyzed problem to the frequency domain, the resulting equivalent current is further convolved with the dyadic electric and magnetic Green's functions. Moreover, we show that only the evaluation of the transverse magnetic modes of the structure is required for the calculation of fields radiated by particles traveling in the axial direction. Finally, frequency domain electric and magnetic fields are transformed back to the time domain, just obtaining the total fields radiated by the charged distribution. Furthermore, we present a method for the computation of the wakefields of arbitrary cross-section uniform waveguides from the resulting field expressions. Several examples of charged particles moving in the axial direction of such waveguides are included.

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Section: Introductionmentioning

confidence: 99%

Evaluation of time domain electromagnetic fields radiated by constant velocity moving particles traveling along an arbitrarily shaped cross‐section waveguide using frequency domain Green's functions

Nogales¹,

Marini²,

Martínez³

et al. 2012

Radio Science

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show abstract

“…The electromagnetic radiation of a charge particle as well as a charge distribution within a waveguide region or a resonator cavity has been extensively treated in the literature. Several authors have investigated the radiation of electron beams in metallic waveguides and cavities for the study of RF photo-injectors [1,2]. Other classical problem related with this topic is the evaluation of the wakefields generated by particles moving linearly at constant velocity [3,4,5,6,7,8,9,10,11,12,13,14].…”

Section: List Of Acronymsmentioning

confidence: 99%

“…A description of Dirac delta is given in Appendix B. 2. The analysis starts with an unitary electric current oriented in a transverse direction w = {x, y}:…”

Section: E G E Jmentioning

confidence: 99%

“…where u denotes the Heaviside step function, analyzed in Appendix B. 2. Infinite waveguide has been assumed in (2.33), as can be noted by the absence of a reflected wave in the negative z-direction.…”

Section: E G E Jmentioning

confidence: 99%

“…Thus, there are many articles focused on this area. Several authors have investigated the radiation of electron beams in metallic waveguides and cavities for the study of RF photo-injectors [1,2]. Other classical problem related with this topic is the evaluation of the wakefields.…”

Section: Introductionmentioning

confidence: 99%

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Investigations on radio-frequency components and the multipactor phenomenon in high-power space applications

Nogales¹,

Manuel²

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Time dependent formulation of the energy loss by an accelerated intense electron beam just emitted by the cathode of RF-FEL photoinjector

Salah

Coacolo

Hallak

et al. 2006

Nuclear Instruments and Methods in Physics Research Section A:

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Analytical and numerical investigations of the evolution of wake fields of accelerated electron beams encountering cavity discontinuities in laser-driven RF-free electron laser photoinjector

Cited by 7 publications

References 14 publications

Evaluation of time domain electromagnetic fields radiated by constant velocity moving particles traveling along an arbitrarily shaped cross‐section waveguide using frequency domain Green's functions

Evaluation of time domain electromagnetic fields radiated by constant velocity moving particles traveling along an arbitrarily shaped cross‐section waveguide using frequency domain Green's functions

Investigations on radio-frequency components and the multipactor phenomenon in high-power space applications

Time dependent formulation of the energy loss by an accelerated intense electron beam just emitted by the cathode of RF-FEL photoinjector

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