Explanipedia

Commissioning of ThomX Compton source subsystems and demonstration of x-rays/s Open

Muath Alkadi, M.A. Alves, Manar Amer, Loïc Amoudry, Didier Auguste , et al. · 2025

ThomX is a compact x-ray source based on Compton scattering, installed at IJCLab (Laboratoire de physique des 2 infinis-Irène Joliot-Curie) in Orsay. The machine uses a small electron storage ring and an intense laser pulse stored in a hig…

Random error propagation on electron beam dynamics for a 50 MeV S-band linac Open

H. Purwar, E Goutierre, Hayg Guler, M. Rossetti Conti, Shannon Chance , et al. · 2023

The stability and the quality of particle beams are of utmost importance for many emerging linac installations. The impact on beam properties damage of beam electromagnetic element misalignments and jitter/fluctuations in various accelerat…

Characterization of the electron beam visualization stations of the ThomX accelerator Open

Alexandre Moutardier, C. Bruni, Jean-Noël Cayla, Iryna Chaikovska, Sophie Chancé , et al. · 2023

We present an overview of the diagnostics screens stations - named SSTs - of the ThomX compact Compton source. ThomX is a compact light source based on Compton backscattering. It features a linac and a storage ring in which the electrons h…

Characterization of Higher-Order-Modes (HOM) in THOMX Storage Ring RF Cavity Open

Mohamed El Khaldi, Jean-Noël Cayla, Massamba Diop, H. Monard, Fernand Ribeiro · 2022

The RF system of the ThomX storage ring consists in a 500 MHz single cell copper cavity of the ELETTRA type, powered with a 50 kW CW solid state amplifier, and the associated Low-Level RF feedback and control loops. The low operating energ…

Characterization of the Electron Beam Visualization Stations of the ThomX Accelerator Open

Alexandre Moutardier, C. Bruni, Jean-Noël Cayla, Iryna Chaikovska, Shannon Chance , et al. · 2022

We present an overview of the diagnostics screens stations - named SSTs - of the ThomX compact Compton source. ThomX is a compact light source based on Compton backscattering. It features a linac and a storage ring in which the electrons h…

First Electron Beam of the ThomX Project Open

C. Bruni, Muath Alkadi, Jean-Noël Cayla, Iryna Chaikovska, Sophie Chancé , et al. · 2022

The ThomX accelerator beam commissioning phase is now ongoing. The 50 MeV electron accelerator complex consists of a 50 MeV linear accelerator and a pulsed mode ring. It is dedicated to the production of X-rays by Compton backscattering. T…

Loss maps along the ThomX transfer line and the ring first turn Open

Alexandre Moutardier, C. Bruni, Iryna Chaikovska, Shannon Chance, Nicolas Delerue , et al. · 2021

We report on studies of the loss maps for particles travelling from the end of the ThomX's linac along the transfer line to the end of the ring first turn in preparation of the machine commissioning. ThomX is a 50-MeV-electron accelerator …

Longitudinal impedance and coherent synchrotron radiation models for ThomX storage ring Open

Alexis Gamelin, Ezgi Ergenlik, Damien Le Guidec, H. Monard, C. Bruni · 2021

Electromagnetic and Beam Dynamics Studies of the ThomX LINAC Open

Muath Alkadi, C. Bruni, Mohamed El Khaldi, M. Jacquet, H. Monard · 2021

ThomX is a new generation compact Compton source. The machine is composed of a 50/70 MeV injector linac and a storage ring where an electron bunch collides with a laser pulse accumulated in a Fabry-Perot resonator. The compact source, buil…

Injection Feedback for a Storage Ring Open

Alexandre Moutardier, C. Bruni, Iryna Chaikovska, Sophie Chancé, Nicolas Delerue , et al. · 2021

We report on an injection feedback scheme for the ThomX storage ring project. ThomX is a 50-MeV-electron accelerator prototype which will use Compton backscattering in a storage ring to generate a high flux of hard X-rays. Given the slow b…

Loss Maps Along the ThomX Transfer Line and the Ring First Turn Open

Alexandre Moutardier, C. Bruni, Iryna Chaikovska, Shannon Chance, Nicolas Delerue , et al. · 2021

We report on studies of the loss maps for particles travelling from the end of the ThomX’s linac along the transfer line to the end of the ring first turn in preparation of the machine commissioning. ThomX is a 50-MeV-electron accelerator …

The ThomX ICS source Open

Kévin Dupraz, Muath Alkadi, M.A. Alves, Loïc Amoudry, Didier Auguste , et al. · 2020

Lens Calibration for Beam Size Monitors at ThomX Open

S. J. Williams, Iryna Chaikovska, Nicolas Delerue, Alexandre Gonnin, Viacheslav Kubytskyi , et al. · 2020

ThomX is a novel compact X-ray light source, utilising a laser and 50 MeV electron storage ring to produce X-ray photons via Compton scattering. Screens, observed by zoom lenses and optical cameras, can be used to monitor the transverse be…

Design Study of High Gradient Compact S-band TW Accelerating Structure for the ThomX LINAC Upgrade Open

Mohamed El Khaldi, Muath Alkadi, C. Bruni, Luca Garolfi, Alexandre Gonnin , et al. · 2019

ThomX is a Compton source project in the range of the hard X rays (45/90 keV). The machine is composed of a 50/70 MeV injector Linac and a storage ring where an electron bunch collides with a laser pulse accumulated in a Fabry-Perot resona…

MPGD2015: Low-energy electron source to characterize Micromegas/InGrid and study of dE/dx for low energy electrons Open

D. Attié, S. Barsuk, O. Bezshyyko, L. Burmistrov, A. Chaus , et al. · 2018

Insert your english abstract here.A new versatile facility LEETECH for detector R&D, tests and calibration is designed and constructed. It uses electrons produced by the photoinjector PHIL at LAL, Orsay and provides a powerful tool for wid…

From design to alignment of ThomX quadrupoles Open

Cynthia Vallerand, J. Campmany, J. Chavanne, Marie-Emmanuelle Couprie, Gaël Le Bec , et al. · 2018

Quadrupoles for Thomx Facility have been carefully designed and measured due to high constraints of the storage ring. The need of a compact accelerator, 70 m2 on floor, as well as a beam life time of 20 ms, led to the following requirement…

Optical Cavity R&D for Laser-Electron Interaction Applications Open

Xing Liu, R. Chiche, Kévin Dupraz, Pierre Favier, Wenhui Huang , et al. · 2018

Laser-electron Inverse Compton Scattering X-ray source based on optical enhancement cavity is expected to produce higher-flux and better-quality X-rays than conventional sources, in addition, to become more compact, much cheaper than Free …

The Synchronization System of the Thomx Accelerator Open

Nicolas Delerue, V. Chaumat, R. Chiche, Noureddine El Kamchi, Bruno Lucas , et al. · 2018

The ThomX compact light source uses a 50 MeV ring to produce X-rays by Compton scattering. For historical reasons the linac and the ring could not operate at harmonic frequencies of each other. A heterodyne synchronization system has been …

Control Command Strategy for the ThomX Accelerator Open

H. Guler, Noureddine El Kamchi, Philippe Gauron, H. Monard · 2018

ThomX is an accelerator project designed to create a compact X Compton Backscattering Source for medical and cultural heritage applications. Control-Command (CC) system is a central part for the commissionning. ThomX CC is designed with TA…

Design, commissioning and first measurements at the LEETECH spectrometer Open

D. Attié, S. Barsuk, O. Bezshyyko, L. Burmistrov, A. Chaus , et al. · 2017

РОЗРОБКА, УВЕДЕННЯ В ЕКСПЛУАТАЦІЮ ТА ПЕРШІ ВИМІРЮВАННЯ НА СПЕКТРОМЕТРІ LEETECHУстановку LEETECH (Low Energy Electron TECHnique) тестових пучків електронів з енергією від 100 кеВ до 5 МеВ розроблено та введено в експлуатацію в лабораторії л…

Study of low multiplicity electron source LEETECH with diamond detector Open

Viacheslav Kubytskyi, V. Krylov, P. Bambade, B. Cabouat, F. Wicek , et al. · 2017

In this paper, we present experimental and numerical studies of the calibration of low-multiplicity electron source using signals from electrons incident on a diamond detector. The experiments were performed at the newly commissioned versa…

The RF System of Thomx Open

Mohamed El Khaldi, Massamba Diop, Robert Lopes, Alexandre Loulergue, Marc Louvet , et al. · 2017

The RF system of the ThomX electron storage ring consists in a 500 MHz single cell copper cavity of the ELETTRA type, powered with a 50 kW CW solid state power amplifier (SSPA), and the associated Low Level RF feedback and control loops. T…

ThomX : un démonstrateur de source compacte de rayons X Open

C. Bruni, M. Jacquet, Alexandre Loulergue, H. Monard, F. Zomer · 2016

\n\t\t\t\tLa montée en puissance des lasers et l’accroissement de la finesse des cavités optiques permettent aujourd’hui le développement de sources de rayons X fondées sur la diffusion Compton inverse. Ces sources compactes fourniront des…

LEETECH facility as a flexible source of low energy electrons Open

D. Attié, S. Barsuk, O. Bezshyyko, L. Burmistrov, A. Chaus , et al. · 2016

A new versatile facility LEETECH for detector R&D, tests and calibration is designed and constructed. It uses electrons produced by the photoinjector PHIL at LAL, Orsay and provides a powerful tool for wide range R&D studies of different d…

High Level Control Command for ThomX Transfer Line Open

C. Bruni, Iryna Chaikovska, Sophie Chancé, Nicolas Delerue, Alexis Gamelin , et al. · 2016

ThomX Compact X ray source is a 50 MeV storage ring, and a linear accelerator based on a photo-injector. As the electron beam in the ring will not be damped by synchrotron radiation, the transfer line should rely on a precise injection in …

Status of the Preparation to the Commissioning of the ThomX Storage Ring Open

Iryna Chaikovska, C. Bruni, Sophie Chancé, Alexis Gamelin, Alexandre Loulergue , et al. · 2016

ThomX is a compact Compton based X-ray source under construction at LAL in Orsay (France). The ThomX facility is composed by a 50-70 MeV linac, a transfer line and a 18 meters long Storage Ring (SR). The Compton scattering between the 50 M…

Status of THOMX Storage-ring Magnets Open

Cynthia Vallerand, C. Benabderrahmane, C. Bruni, Marie-Emmanuelle Couprie, Alexandre Gonnin , et al. · 2016

The THOMX facility is a compact X-Ray source based on the Compton back scattering aiming at a flux of 10¹¹ to 1013 ph/s in the range of energy from 40 to 90 keV. Due to the compactness and the expected stability of this machine, high requi…

LEETECH facility as a flexible source of low energy electrons Open

D. Attié, S. Barsuk, O. Bezshyyko, L. Burmistrov, A. Chaus , et al. · 2015

A new versatile facility LEETECH for detector R&D, tests and calibration is designed and constructed. It uses electrons produced by the photoinjector PHIL at LAL, Orsay and provides a powerful tool for wide range R&D studies of different d…

ThomX : un démonstrateur d’une source Compton compacte de rayonnement X Open

H. Monard · 2015

‘ThomX’ est le nom d’un projet de source intense et compacte de rayons X, presentant l’originalite de combiner un anneau de stockage d’electrons a une cavite optique de stockage de photons. La retrodiffusion des photons entrant en…

Interlock System for Machine Protection at ThomX Accelerator Open

Noureddine ElKamchi, Philippe Gauron, H. Monard · 2015

ThomX is a Compton based photons source. It aims to produce a compact and directional X-rays source, with high performance, high brightness and adjustable energy*. The principal application fields are medical sciences, social technology an…

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