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Beam loading is the phenomenon which limits the charge and the beam quality in plasma based accelerators. An experimental study conducted with a laser-plasma accelerator is presented. Beam loading manifests itself through the decrease of…

Plasma Physics · Physics 2010-05-25 C. Rechatin , X. Davoine , A. Lifschitz , A. Ben Ismail , J. Lim , E. Lefebvre , J. Faure , V. Malka

Laser-plasma accelerators offer a compact means of producing high-energy electron beams, but their performance is fundamentally limited by dephasing between the accelerated electrons and the plasma wave. To overcome this limitation, we…

We demonstrate the fast accumulation of Cr atoms in a conservative potential from a magnetically guided atomic beam. Without laser cooling on a cycling transition, a single dissipative step realized by optical pumping allows to load atoms…

Quantum Gases · Physics 2015-05-27 Markus Falkenau , Valentin V. Volchkov , Jahn Rührig , Axel Griesmaier , Tilman Pfau

In this paper we discuss design considerations and beam dynamics challenges associated with laser-driven plasma-based accelerators as applied to multi-TeV-scale linear colliders. Plasma accelerators provide ultra-high gradients and…

Accelerator Physics · Physics 2022-05-18 C. B. Schroeder , C. Benedetti , S. S. Bulanov , D. Terzani , E. Esarey , C. G. R. Geddes

Laser-based electron acceleration is attracting strong interest from the conventional accelerator community due to its outstanding characteristics in terms of high initial energy, low emittance and high beam current. Unfortunately, such…

Laser-plasma accelerators outperform current radiofrequency technology in acceleration strength by orders of magnitude. Yet, enabling them to deliver competitive beam quality for demanding applications, particularly in terms of energy…

For the laser wakefield acceleration, suppression of beam energy spread while keeping sufficient charge is one of the key challenges. In order to achieve this, we propose bichromatic laser ionization injection with combined laser…

Plasma Physics · Physics 2016-06-29 Ming Zeng , Ji Luo , Min Chen , Warren B. Mori , Zheng-Ming Sheng , Bernhard Hidding

A method for decelerating a continuous beam of neutral polar molecules is theoretically demonstrated. This method utilizes non-uniform, static electric fields and regions of adiabatic population transfer to generate a mechanical force that…

Atomic Physics · Physics 2015-05-13 Eric R. Hudson

A new scheme for injection and acceleration of electrons in wakefield accelerators is suggested based on the co-action of a laser pulse and an electron beam. This synergy leads to stronger wakefield generation and higher energy gain in the…

Plasma Physics · Physics 2020-07-03 S. Barzegar , A. R. Niknam

Ion beam has been used in cancer treatment, and has a unique preferable feature to deposit its main energy inside a human body so that cancer cell could be killed by the ion beam. However, conventional ion accelerator tends to be huge in…

Guiding relativistically intense laser pulses in low-density plasmas enables extended acceleration lengths in laser-plasma accelerators (LPAs), allowing for the production of multi-GeV electron beams. Quantitative interpretation of such…

A plasma beam dump uses the collective oscillations of plasma electrons to absorb the kinetic energy of a particle beam. In this paper, a modified passive plasma beam dump scheme is proposed using either a gradient or stepped plasma profile…

Accelerator Physics · Physics 2017-04-05 K. Hanahoe , G. Xia , M. Islam , Y. Li , O. Mete-Apsimon , B. Hidding , J. Smith

Laser-driven ion accelerators have the advantages of compact size, high density, and short bunch duration over conventional accelerators. Nevertheless, it is still challenging to simultaneously enhance the yield and quality of laser-driven…

Plasma Physics · Physics 2016-11-22 S. M. Weng , M. Liu , Z. M. Sheng , M. Murakami , M. Chen , L. L. Yu , J. Zhang

Laser wakefield acceleration, characterized by the extremely high electric field gradient exceeding 100GV/m, is regarded as a compact and cost affordable technology for the next generation of particle colliders and light sources. However,…

Accelerator Physics · Physics 2026-01-01 Jia Wang , Ming Zeng , Dazhang Li , Wentao Wang , Song Li , Ke Feng , Jie Gao

Laser-plasma acceleration is an emerging technique for accelerating electrons to high energies over very short distances. The accelerated electron bunches have femtosecond duration, making them particularly relevant for applications such as…

The accelerating gradients in conventional linear accelerators are currently limited to 100 MV per meter. Plasma-based accelerators have the ability to sustain accelerating gradients which are several orders of magnitude greater than that…

Plasma Physics · Physics 2020-09-14 Vasyl Maslov , Denys Bondar , Iryna Levchuk , Ivan Onishchenko

Ultrahigh-intensity lasers (10$^{18}$-10$^{22}$W/cm$^{2}$) have opened up new perspectives in many fields of research and application [1-5]. By irradiating a thin foil, an ultrahigh accelerating field (10$^{12}$ V/m) can be formed and…

We show that the slow driving of a focused laser beam through the cloud of trapped cold fermions allows for a creation of the collective excitation in the system. The method, proposed originally by us for bosons, seems to be quite feasible…

Statistical Mechanics · Physics 2009-11-07 Bogdan Damski , Krzysztof Sacha , Jakub Zakrzewski

The extreme electric fields created in high-intensity laser-plasma interactions could generate energetic ions far more compactly than traditional accelerators. Despite this promise, laser-plasma accelerators have remained stagnant at…

Plasma Physics · Physics 2024-12-31 Zheng Gong , Sida Cao , John P. Palastro , Matthew R. Edwards

Laser-plasma accelerators represent a promising technology for future compact accelerating systems, enabling the acceleration of tens of pC to above $1\,$GeV over just a few centimeters. Nonetheless, these devices currently lack the…

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