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Related papers: Volume free electron lasers

200 papers

We present a comprehensive analysis of coherence properties of the radiation from X-ray free electron laser (XFEL). We consider practically important case when XFEL is optimized for maximum gain. Such an optimization allows to reduce…

Accelerator Physics · Physics 2007-05-23 E. L. Saldin , E. A. Schneidmiller , M. V. Yurkov

Using the ONEDFEL code we perform Free Electron Laser simulations in the astrophysically important guide-field dominated regime. For wigglers' (Alfven waves) wavelengths of tens of meters and beam Lorentz factor $\sim 10^3$, the resulting…

High Energy Astrophysical Phenomena · Physics 2024-02-26 Maxim Lyutikov , Henry Freund

The measurements performed by particle physics experiments must account for the imperfect response of the detectors used to observe the interactions. One approach, unfolding, statistically adjusts the experimental data for detector effects.…

High Energy Physics - Experiment · Physics 2025-04-02 Alexander Shmakov , Kevin Greif , Michael James Fenton , Aishik Ghosh , Pierre Baldi , Daniel Whiteson

Free-electron lasers (FELs) have been designed to operate over virtually the entire electromagnetic spectrum from microwaves through x-rays and in a variety of configurations including amplifiers and oscillators. Oscillators can operate in…

Accelerator Physics · Physics 2021-05-07 Peter J. M. van der Slot , Henry P. Freund

In \v{C}erenkov and Smith-Purcell free-electron lasers (FELs), a resonant interaction between the electron beam and the co-propagating surface mode can produce copious amount of coherent terahertz (THz) radiation. We perform a…

Accelerator Physics · Physics 2016-12-22 Yashvir Kalkal , Vinit Kumar

In this paper the use of betatron radiation as a seed for the Free Electron Laser (FEL) is presented. The scheme shown can be adopted from all FEL driven by plasma accelerated electron beams via Particle or Laser Wake Field Acceleration.…

Accelerator Physics · Physics 2022-09-22 A. Ghigo , M. Galletti , V. Shpakov , A. Curcio , V. Petrillo

High-brightness femtosecond-to-attosecond pulses are indispensable for probing electron dynamics on their fundamental temporal scales. X-ray free-electron lasers (XFELs) at high repetition rates will facilitate high-statistics measurements…

Accelerator Physics · Physics 2026-05-01 Junhao Liu , Zhen Wang , Lanpeng Ni , Yujie Lu , Chao Feng , Zhentang Zhao

The density matrix in the Lindblad form is used to describe the behavior of the Free-Electron Laser (FEL) operating in a quantum regime. The detrimental effects of the spontaneous emission on coherent FEL operation are taken into account.…

Accelerator Physics · Physics 2018-12-26 H. Fares , G. R. M. Robb , N. Piovella

X-ray free-electron lasers (FEL) deliver ultrabright X-ray pulses, but not the sequences of phase-coherent pulses required for time-domain interferometry and control of quantum states. For conventional split-and-delay schemes to produce…

Accelerator Physics · Physics 2022-02-11 S. Reiche , G. Knopp , B. Pedrini , E. Prat , G. Aeppli , S. Gerber

Quantum electrodynamics predicts x-ray diffractions under a high-intensity laser field via virtual charged particles, and this phenomenon is called as vacuum diffraction (VD). In this paper, we derive a new formula to describe VD in a…

High Energy Physics - Phenomenology · Physics 2020-07-29 Y. Seino , T. Inada , T. Yamazaki , T. Namba , S. Asai

It is reported that [Z. Huang et al., Phys. Rev. Lett. 109, 204801 (2012)], high-gain free-electron laser (FEL) can be generated by transverse-dispersed electron beams from laser-plasma accelerators (LPAs) using transverse-gradient…

Accelerator Physics · Physics 2016-08-11 G. Zhou , Y. Jiao , J. Wu , T. Zhang

Intense lasers can accelerate electrons to very high energy over a short distance. Such compact accelerators have several potential applications including fast ignition, high energy physics, and radiography. Among the various schemes of…

Laser-driven free-electron lasers (LDFELs) replace magnetostatic undulators with the electromagnetic fields of a laser pulse. Because the undulator period is half the wavelength of the laser pulse, LDFELs can amplify x rays using lower…

Plasma Physics · Physics 2025-03-07 D. Ramsey , B. Malaca , T. T. Simpson , M. Formanek , L. S. Mack , J. Vieira , D. H. Froula , J. P. Palastro

Since spring, 2005 vacuum ultraviolet free electron laser (VUV FEL) at DESY operates as user facility in the wavelength range around 30 nm. Electron beam formation system at the VUV FEL is essentially nonlinear and naturally results in a…

Accelerator Physics · Physics 2009-11-11 E. L. Saldin , E. A. Schneidmiller , M. V. Yurkov

Over the last decade, external seeded free electron lasers (FELs) have achieved significant advancements across various disciplines, progressively establishing themselves as indispensable tools in fields ranging from fundamental science to…

Accelerator Physics · Physics 2024-11-18 Li Zeng , Chao Feng , Xiaofan Wang , Huaiqian Yi , Weiqing Zhang

There are definite plans for the construction of X-ray free electron lasers (FEL), both at DESY, where the so-called XFEL is part of the design of the electron-positron linear collider TESLA, as well as at SLAC, where the so-called Linac…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Ringwald

The mechanisms of spontaneous and induced radiation produced by relativistic particles passing through natural and photonic crystals are reviewed. The theory of Volume Free Electron Lasers based on spontaneous radiation in natural and…

Accelerator Physics · Physics 2015-03-17 V. G. Baryshevsky

Acceleration of electrons in vacuum directly by intense laser fields, often termed vacuum laser acceleration (VLA), holds great promise for the creation of compact sources of high-charge, ultrashort, relativistic electron bunches. However,…

An analysis of steady-state electron trajectories by simultaneous solution of the equation of motion and the dispersion relation (DR) for electromagnetic wave wiggler in free-electron laser (FEL) with axial magnetic field is presented. The…

Plasma Physics · Physics 2021-12-28 H. Ehsani , T. Mohsenpour

Simple formulas for optimization of VUV and X-ray SASE FELs are presented. The FEL gain length and the optimal beta-function are explicitly expressed in terms of the electron beam and undulator parameters. The FEL saturation length is…

Accelerator Physics · Physics 2009-11-10 E. L. Saldin , E. A. Schneidmiller , M. V. Yurkov