activity
20002019
most citedFirst Observation of Self-Amplified Spontaneous Emission in a Free-Electron Laser at 109 nm Wavelength

376 citations · 1.3k across the 81 of their papers we have counts for

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physics.acc-ph2019

Wigner Rotation: Theory and Application to Practical Relativistic Engineering Problems

Evgeni Saldin

The standard expression for the Wigner rotation leads to incorrect result for the wavefront rotation. The results for the Wigner rotation in the Lorentz lab frame obtained by many…

physics.acc-ph2018★ 13 cited

Effects of energy spread on Brightness and Coherence of undulator sources

Gianluca Geloni, Svitozar Serkez, Ruslan Khubbutdinov +2

The (spectral) brightness for partially transverse coherent sources as Synchrotron Radiation (SR) and Free-Electron Laser (FEL) sources can be defined as the maximum of the Wigner…

physics.acc-ph2017★ 2 cited

On Radiation Emission from a Microbunched Beam with Wavefront Tilt and Its Experimental Observation

Gianluca Geloni, Vitali Kocharyan, Evgeni Saldin

In this paper we compare experimental observations and theory of radiation emission from a microbunched beam with microbunching wavefront tilt with respect to the direction of moti…

physics.acc-ph2017

Opportunities for Two-color Experiments at the SASE3 undulator line of the European XFEL

Gianluca Geloni, Vitali Kocharyan, Tommaso Mazza +3

X-ray Free Electron Lasers (XFELs) have been proven to generate short and powerful radiation pulses allowing for a wide class of novel experiments. If an XFEL facility supports the…

physics.acc-ph2017

Radiation by Moving Charges

Gianluca Geloni, Vitali Kocharyan, Evgeni Saldin

It is generally accepted that the dynamics of relativistic particles in the lab frame can be described by taking into account the relativistic dependence of the particles momenta o…

physics.acc-ph2016★ 1 cited

On the Coupling of Fields and Particles in Accelerator and Plasma Physics

Gianluca Geloni, Vitali Kocharyan, Evgeni Saldin

In accelerator and plasma physics it is accepted that there is no need to solve the dynamical equations for particles in covariant form, i.e. by using the coordinate-independent pr…