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We present 3D Particle-in-Cell (PIC) modeling of an ultra-intense laser experiment by the Extreme Light group at the Air Force Research Laboratory (AFRL) using the PIC code LSP. This is the first time PIC simulations have been performed in…

Over the last years, the generation and acceleration of ultra-short, high quality electron beams has attracted more and more interest in accelerator science. Electron bunches with these properties are necessary to operate and test novel…

Advances in ultra-intense laser technology are enabling, for the first time, relativistic intensities at mid-infrared (mid-IR) wavelengths. Anticipating further experimental research in this domain, we present high-resolution two…

Dielectric laser acceleration (DLA) achieves remarkable gradients from the optical near fields of a grating structure. Tilting the dielectric grating with respect to the electron beam leads to deflection forces and the DLA structure can be…

Accelerator Physics · Physics 2022-09-21 Steffen A. Schmid , Uwe Niedermayer

We demonstrate a silicon-based electron accelerator that uses laser optical near fields to both accelerate and confine electrons over extended distances. Two dielectric laser accelerator (DLA) designs were tested, each consisting of two…

Artificial Intelligence is poised to transform the design of complex, large-scale detectors like the ePIC at the future Electron Ion Collider. Featuring a central detector with additional detecting systems in the far forward and far…

Instrumentation and Detectors · Physics 2024-05-29 M. Diefenthaler , C. Fanelli , L. O. Gerlach , W. Guan , T. Horn , A. Jentsch , M. Lin , K. Nagai , H. Nayak , C. Pecar , K. Suresh , A. Vossen , T. Wang , T. Wenaus

PIP-II is the Fermilab's flagship project for providing powerful, high-intensity proton beams to the laboratory's experiments. The heart of PIP-II is an 800-MeV superconducting linac accelerator. It will be located in a new tunnel with new…

Accelerator Physics · Physics 2018-06-18 L. Lari , F. Cerutti , L. S. Esposito , C. Baffes , S. J. Dixon , N. V. Mokhov , I. Rakhno , I. S. Tropin

We propose a photon-recycling dielectric laser accelerator (DLA) system based on silicon photonic device. Our DLA system employs guided electromagnetic waves as a primary energy source, modulated to inject into the electron-light…

Optics · Physics 2025-01-10 Changying Li , Li Zhang , Dingguo Zheng , Xiaoping Liu , Yiming Pan

In this paper, we propose a novel design of dielectric laser-driven accelerator (DLA) utilizing evanescent electric field of racetrack ring resonator structures. Driven by laser light with the correctly designed optical phase window,…

The Search for Hidden Particles (SHiP) Collaboration has shown that the CERN SPS accelerator with its 400 $\mathrm{\small GeV/c}$ proton beam offers a unique opportunity to explore the Hidden Sector. The proposed experiment is an intensity…

Instrumentation and Detectors · Physics 2019-05-01 SHiP Collaboration

The Proton Improvement Plan - II (PIP-II) is a new linear accelerator (LINAC) complex being built at Fermilab. It is based on superconducting radiofrequency cavities and will accelerate H- ions to 800 MeV kinetic energy before injection…

Accelerator Physics · Physics 2023-10-05 R. Thurman-Keup , M. El Baz , V. Scarpine

The ARES linac at DESY aims to generate and characterize ultrashort electron bunches (fs to sub-fs duration) with high momentum and arrival time stability for the purpose of applications related to accelerator R&D, e.g. development of…

For the CLIC two-beam scheme, a high-current, long-pulse drive beam is required for RF power generation. Taking advantage of the 3 GHz klystrons available at the LEP injector once LEP stops, a 180 MeV electron accelerator is being…

Accelerator Physics · Physics 2007-05-23 G. Carron , E. Jensen , M. Luong , A. Millich , E. Rugo , I. Syratchev , L. Thorndahl

Laser Plasma Acceleration (LPA) [1] is an emerging concept enabling to generate electron beams with high energy, high peak current and small transverse emittance within a very short distance. The use of LPA can be applied to the Free…

Accelerator Physics · Physics 2016-08-03 M Khojoyan , F. Briquez , M. Labat , A. Loulergue , O. Marcouillé , F. Marteau , G. Sharma , M. E. Couprie

Dielectric laser acceleration (DLA) is one of the advanced concepts for more compact accelerators. DLA gratings have apertures and period lengths within the range of optical wavelengths. Phase stability and wakefield effects are thus…

Accelerator Physics · Physics 2020-12-30 Thilo Egenolf , Uwe Niedermayer

In this dissertation, a fully object-oriented, fully relativistic, multi-dimensional Particle-In-Cell code was developed and applied to answer key questions in plasma-based accelerator research. The simulations increase the understanding of…

Computational Physics · Physics 2015-03-03 Roy G. Hemker

The Proton Improvement Plan-II (PIP-II) [1] has been developed at Fermilab to provide powerful proton beams to the laboratorys experiments. An 800-MeV superconducting linear accelerator-a centerpiece of the project-is currently under…

Accelerator Physics · Physics 2023-01-23 Igor Rakhno , Nikolai Mokhov , Igor Tropin , Sergei Striganov , Yury Eidelman

Dielectric laser accelerators (DLAs) use the nearfields created when a laser pulse impinges on a dielectric structure to accelerate charged particles. We provide an overview of the theory of operation of photon driven accelerators, from…

Accelerator Physics · Physics 2020-08-11 N. Schonenberger , P. Hommelhoff

The development of a directional, small-divergence, and short-duration picosecond x-ray probe beam with an energy greater than 50 keV is desirable for high energy density science experiments. We therefore explore through particle-in-cell…

Plasma Physics · Physics 2016-03-23 N. Lemos , J. L. Martins , F. S. Tsung , J. L. Shaw , K. A. Marsh , F. Albert , B. B. Pollock , C. Joshi