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The interaction of relativistically strong tailored laser pulses with an atomic system is considered. Due to a special tailoring of the laser pulse, the suppression of the relativistic drift of the ionized electron and a dramatic…

Atomic Physics · Physics 2009-11-13 Michael Klaiber , Karen Z. Hatsagortsyan , Christoph H. Keitel

We present an all-optical detection approach to determine the position and spatial profile of an electron beam based on quantum properties of alkali metal atoms. To measure the electric field, produced by an electron beam, we excite thermal…

Several methods have been proposed in the literature to improve Free Electron Laser output by transforming the electron phase-space before entering the FEL interaction region. By utilising `beam by design' with novel undulators and other…

Accelerator Physics · Physics 2015-09-02 J. R. Henderson , L. T. Campbell , B. W. J. McNeil

The paper addresses the shortcoming of current event-based vision (EBV) sensors in the context of particle imaging. Latency is introduced both on the pixel level as well as during read-out from the array and results in systemic timing…

Fluid Dynamics · Physics 2023-05-24 Christian E. Willert

A method for the generation of ultrarelativistic electron beams with high spin polarization is put forward, where a tightly-focused linearly-polarized ultraintense laser pulse interacts with a nonprepolarized transverse-size-tailored solid…

Plasma Physics · Physics 2024-06-11 Xiaofei Shen , Zheng Gong , Karen Z. Hatsagortsyan , Christoph H. Keitel

An experimental study of laser driven electron acceleration in N2 and N2-He mixed gas-jet target using laser pulses of duration ~60-70 fs is presented. Generation of relativistic electron beam with quasi-thermal spectra was observed at a…

Plasma Physics · Physics 2020-01-08 D. Hazra , A. Moorti , S. Mishra , A. Upadhyay , J. A. Chakera

Generating high-brightness relativistic electron bunches with few-femtosecond duration, while simultaneously achieving few-fs synchronization with ultrafast lasers, remains an outstanding challenge at the frontier of accelerator physics and…

Controlled interaction of laser light with electron beams is fundamental for ultrafast electron microscopy and electron-based quantum optics, yet their direct coupling is forbidden in free space. Here we use longitudinally polarized light…

Optics · Physics 2026-05-22 J. Kuttruff , L. Möhrle , L. Ciorciaro , L. Schmidt-Mende , P. Baum

Laser-plasma accelerators produce electric fields of the order of 100 GV/m, more than 1000 times larger than radio-frequency accelerators. Thanks to this unique field strength, they appear as a promising path to generate electron beams…

There are implementations and proposals for using microwave or optical radiation for electron acceleration, undulation, deflection, and spatial as well as temporal focusing. Using terahertz (THz) radiation in such applications can be…

Accelerator Physics · Physics 2011-10-03 J. Hebling , J. A. Fülöp , M. I. Mechler , L. Pálfalvi , C. Tőke , G. Almási

We review recent PIC simulation results which show that double-sided irradiation of a thin over- dense plasma slab by ultra-intense laser pulses from both sides can lead to sustained comoving acceleration of surface electrons to energies…

Plasma Physics · Physics 2015-06-26 Edison Liang

The impact of the carrier-envelope phase (CEP) of an intense multi-cycle laser pulse on the radiation of an electron beam during nonlinear Compton scattering is investigated. An interaction regime of the electron beam counterpropagating to…

Plasma Physics · Physics 2018-03-28 Jian-Xing Li , Yue-Yue Chen , Karen Z. Hatsagortsyan , Christoph H. Keitel

Radiative recombination of a relativistic electron with a highly charged ion in the presence of an intense laser field is considered. Various relativistic effects, caused by the high energy of the incoming electron and its strong coupling…

Atomic Physics · Physics 2015-05-13 C. Müller , A. B. Voitkiv , B. Najjari

Pulse shaping provides a significant level of control and precision when optimizing laser-plasma interactions. Pulse shaping enables precise control and manipulation, resulting in enhanced energy deposition, optimized particle acceleration,…

Plasma Physics · Physics 2024-03-26 A. A. Molavi Choobini , F. M. Aghamir , S. S. Ghaffari-Oskooei

The two stage electron acceleration model [arXiv: 1512.02411 and arXiv: 1512.07546] is extended to the study of laser magnetized-plasmas interactions at relativistic intensities and in the presence of large-scale preformed plasmas. It is…

Plasma Physics · Physics 2017-05-24 D. Wu , S. I. Krasheninnikov , S. X. Luan , W. Yu

We propose free-electron Rabi oscillation by creating an isolated two-level system in a synthetic energy space induced by laser. The {\pi}/2-pulse and {\pi}-pulse in synthetic Rabi dynamics can function as 'beam splitters' and 'mirrors' for…

Quantum Physics · Physics 2023-04-25 Yiming Pan , Bin Zhang , Daniel Podolsky

An efficient mechanism of laser pulse focusing with the help of shaped underdense plasma target immersed in inhomogeneous magnetic field has been demonstrated. These studies have been carried out with the help of 2-D Particle-In-Cell (PIC)…

Plasma Physics · Physics 2025-07-01 Trishul Dhalia , Rohit Juneja , Amita Das

Rapid development of ultrafast ultraintense laser technologies continues to create opportunities for studying strong-field physics under extreme conditions. However, accurate determination of the spatial and temporal characteristics of a…

Plasma Physics · Physics 2023-01-03 Zhi-Wei Lu , Xin-Di Hou , Feng Wan , Yousef I. Salamin , Chong Lv , Bo Zhang , Fei Wang , Zhong-Feng Xu , Jian-Xing Li

Full control of molecular interactions, including reactive losses, would open new frontiers in quantum science. Here, we demonstrate extreme tunability of chemical reaction rates by using an external electric field to shift excited…

A linearly polarized Laguerre-Gaussian (LP-LG) laser beam with a twist index $l = -1$ has field structure that fundamentally differs from the field structure of a conventional linearly polarized Gaussian beam. Close to the axis of the LP-LG…

Plasma Physics · Physics 2022-11-08 Yin Shi , David R Blackman , Ping Zhu , Alexey Arefiev