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Yanis Andrebe

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Related publications (45)

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A locked mode indicator for disruption prediction on JET and ASDEX upgrade

Jérémie Gérard Laurent, Olivier Sauter, Ambrogio Fasoli, Henri Weisen, Richard Pitts, Jonathan Graves, Stefano Coda, Basil Duval, Timothy Goodman, Yves Martin, Yann Camenen, Jan Horacek, Javier García Hernández, Marco Wischmeier, Jean-Marc Moret, Mikhail Maslov, Patrick Blanchard, Alessandro Pau, David Pfefferlé, Davide Galassi, Federico Alberto Alfredo Felici, Roland Behn, Antonio José Pereira de Figueiredo, Jonathan Marc Philippe Faustin, Liang Yao, Dalziel Joseph Wilson, Cristian Sommariva, Benoît Labit, Hamish William Patten, Samuel Lanthaler, Holger Reimerdes, Laurie Porte, Christian Gabriel Theiler, Alberto Bottino, Marc Gruber, Alexander Karpushov, Emiliano Fable, Ben McMillan, Andrea Scarabosio, Federico Nespoli, Kevin Henricus Annemarie Verhaegh, Antoine Pierre Emmanuel Alexis Merle, Umar Sheikh, Wouter Vijvers, Matteo Fontana, Yanis Andrebe, Cristian Galperti, Haomin Sun, Joan Decker, Cedric Kar-Wai Tsui, Doohyun Kim, Nicola Vianello, Pedro Andres Molina Cabrera, Anna Teplukhina, Thomas Binderup Jensen, Zhouji Huang, Jose Vicente Sanchez Mut, Attila Bencze, Dávid Wágner, Claudio Marini, Himank Anand, Dahye Choi, Hoang Bao Le, Miguel Filipe Silva Füglister, Anton Malygin, Mélanie Preynas, Mateusz Gospodarczyk

The aim of this paper is to present a signal processing algorithm that, applied to the raw Locked Mode signal, allows us to obtain a disruption indicator in principle exploitable on different tokamaks. A common definition of such an indicator for different ...

2019

Controlled Growth of the Self-Modulation of a Relativistic Proton Bunch in Plasma

Ambrogio Fasoli, Ivo Furno, Patrick Blanchard, Yanis Andrebe, Riccardo Agnello, Christine Stollberg

A long, narrow, relativistic charged particle bunch propagating in plasma is subject to the self -modulation (SM) instability. We show that SM of a proton bunch can be seeded by the wakefields driven by a preceding electron bunch. SM timing reproducibility ...

2022

Overview of the TCV tokamak program: scientific progress and facility upgrades

Olivier Sauter, Ambrogio Fasoli, Basil Duval, Henri Weisen, Timothy Goodman, Jonathan Graves, Stefano Coda, Yves Martin, Jean-Marc Moret, Stefano Alberti, Ivo Furno, Duccio Testa, Minh Quang Tran, Paolo Ricci, Patrick Blanchard, Yann Camenen, Jan Horacek, Holger Reimerdes, Marco Wischmeier, Benoît Labit, Nicola Vianello, Jean-Philippe Hogge, Christian Gabriel Theiler, Federico Nespoli, Alessandro Pau, Federico Alberto Alfredo Felici, Laurie Porte, Alexander Karpushov, Antoine Pierre Emmanuel Alexis Merle, Joan Decker, Xavier Llobet, Fabio Riva, Umar Sheikh, Cristian Galperti, Cedric Kar-Wai Tsui, Christian Schlatter, Kevin Henricus Annemarie Verhaegh, Wouter Vijvers, Anna Teplukhina, Yanis Andrebe, Roberto Maurizio, Zhouji Huang, Rémy Jacquier, Claudio Marini, Mengdi Kong, Hoang Bao Le, Oulfa Chellaï, Himank Anand, Falk Hans Braunmüller, Francesco Carpanese, Josef Kamleitner, Pedro Andres Molina Cabrera, Joyeeta Sinha

IOP Publishing Ltd2017

MANTIS: A real-time quantitative multispectral imaging system for fusion plasmas

Basil Duval, Kevin Henricus Annemarie Verhaegh, Wouter Vijvers, Yanis Andrebe, Cristian Galperti, Artur Perek

This work presents a novel, real-time capable, 10-channel Multispectral Advanced Narrowband Tokamak Imaging System installed on the TCV tokamak, MANTIS. Software and hardware requirements are presented together with the complete system architecture. The im ...

AMER INST PHYSICS2019

New capabilities of the incoherent Thomson scattering diagnostics in the TCV tokamak: divertor and real-time measurements

Basil Duval, Patrick Blanchard, Federico Alberto Alfredo Felici, Joan Decker, Philippe Marmillod, Cristian Galperti, Xavier Llobet, Yanis Andrebe, Blaise Marlétaz, Pierre Lavanchy, Pierre-François Isoz, Steve Couturier, Severino Antonioni

This work reports developments of the incoherent TS diagnostic capabilities in the Tokamak a Configuration Variable (TCV). Their goals are to (i) diagnose the TCV divertor region, and (ii) provide Te and ne profiles of the plasma bulk in real-time. These t ...

IOP PUBLISHING LTD2019

Fast-ion transport in low density L-mode plasmas at TCV using FIDA spectroscopy and the TRANSP code

Olivier Sauter, Basil Duval, Duccio Testa, Alexander Karpushov, Yanis Andrebe, Claudio Marini

Experiments with the new neutral beam injection source of TCV have been performed with high fast-ion fractions (>20%) that exhibit a clear reduction of the loop voltage and a clear increase of the plasma pressure in on- and off-axis heating configurations. ...

2017

Thomson scattering measurements in the divertor region of the TCV Tokamak plasmas

Basil Duval, Ivo Furno, Patrick Blanchard, Joan Decker, Xavier Llobet, Yanis Andrebe, Blaise Marlétaz, Riccardo Agnello, Pierre Lavanchy, Pierre-François Isoz, Hugo Antoine Georges Arnichand, Jonathan Sylvain Masur, Steve Couturier, Severino Antonioni

In order to better study conventional and alternative divertor configurations, the TCV Tokamak was recently upgraded. In-vessel graphite baffles were installed in the TCV chamber to delimit a separate divertor chamber from the core that required enhanced d ...

2019

Experimental study of wakefields driven by a self-modulating proton bunch in plasma

Yiming Li, Ambrogio Fasoli, Sun Hee Kim, Ivo Furno, Patrick Blanchard, Alan Howling, Yanis Andrebe, Riccardo Agnello, Rémy Jacquier, Ishkhan Gorgisyan

We study experimentally the longitudinal and transverse wakefields driven by a highly relativistic proton bunch during self-modulation in plasma. We show that the wakefields' growth and amplitude increase with increasing seed amplitude as well as with the ...

2020

Overview of the TCV tokamak experimental programme

Olivier Sauter, Ambrogio Fasoli, Basil Duval, Henri Weisen, Timothy Goodman, Yves Martin, Stefano Alberti, Duccio Testa, Jean-Marc Moret, Ivo Furno, Patrick Blanchard, Benoît Labit, Jan Horacek, Paolo Ricci, Jean-Philippe Hogge, Jonathan Graves, Stephan Brunner, Holger Reimerdes, Laurie Porte, Christian Gabriel Theiler, Federico Alberto Alfredo Felici, Alexander Karpushov, Joaquim Loizu Cisquella, Antoine Pierre Emmanuel Alexis Merle, Umar Sheikh, Xavier Llobet, Matteo Fontana, Simon Van Mulders, Alessandro Pau, Yanis Andrebe, Cristian Galperti, Joan Decker, Marcelo Baquero Ruiz, Cedric Kar-Wai Tsui, Mengdi Kong, Matteo Vallar, Olivier Claude Martin Février, Davide Galassi, Guang-Yu Sun, Pedro Andres Molina Cabrera, Filippo Bagnato, Roberto Maurizio, Oulfa Chellaï, Mirko Wensing, Claudia Colandrea, Curdin Tobias Wüthrich, Sophie Danielle Angelica Gorno, Francesco Carpanese, Nicola Offeddu, Aylwin Iantchenko, Maurizio Giacomin, Lorenzo Martinelli, Oleg Krutkin, Dahye Choi, Federico Pesamosca, Hugo Antoine Georges Arnichand, Dmytry Mykytchuk, Benjamin Alexandre Vincent, Umesh Kumar, Arsène Stéphane Tema Biwole, Lorenzo Stipani, Anna Ngoc Minh Trang Vu, Jean Arthur Cazabonne, Stefano Marchioni, Miguel Filipe Silva Füglister, Renat Karimov, Ajay Chandrarajan Jayalekshmi

The tokamak a configuration variable (TCV) continues to leverage its unique shaping capabilities, flexible heating systems and modern control system to address critical issues in preparation for ITER and a fusion power plant. For the 2019-20 campaign its c ...

IOP Publishing Ltd2022

ELM-induced cold pulse propagation in ASDEX Upgrade

Olivier Sauter, Richard Pitts, Stefano Coda, Basil Duval, Timothy Goodman, Yves Martin, Yann Camenen, Jan Horacek, Javier García Hernández, Duccio Testa, Marco Wischmeier, Jean-Marc Moret, Patrick Blanchard, Alessandro Pau, Federico Alberto Alfredo Felici, Roland Behn, Antonio José Pereira de Figueiredo, Cristian Sommariva, Benoît Labit, Holger Reimerdes, Laurie Porte, Christian Gabriel Theiler, Marc Gruber, Alexander Karpushov, Emiliano Fable, Ben McMillan, Federico Nespoli, Kevin Henricus Annemarie Verhaegh, Antoine Pierre Emmanuel Alexis Merle, Umar Sheikh, Matteo Fontana, Yanis Andrebe, Cristian Galperti, Joan Decker, Dávid Wágner, Cedric Kar-Wai Tsui, Doohyun Kim, Nicola Vianello, Pedro Andres Molina Cabrera, Anna Teplukhina, Thomas Binderup Jensen, Zhouji Huang, Attila Bencze, Claudio Marini, Wouter Vijvers, Himank Anand, Dahye Choi, Hoang Bao Le, Anton Malygin, Mélanie Preynas

In ASDEX Upgrade, the propagation of cold pulses induced by type-I edge localized modes (ELMs) is studied using electron cyclotron emission measurements, in a dataset of plasmas with moderate triangularity. It is found that the edge safety factor or the pl ...

2019

Development of an 11-channel multi wavelength imaging diagnostic for divertor plasmas in MAST Upgrade

Basil Duval, Wouter Vijvers, Yanis Andrebe, Artur Perek

Divertor detachment and alternative divertor magnetic geometries are predicted to be promising approaches to handle the power exhaust of future fusion devices. In order to understand the detachment process caused by volumetric losses in alternative diverto ...

2021

Experimental Observation of the Motion of Ions in a Resonantly Driven Plasma Wakefield Accelerator

Ambrogio Fasoli, Ivo Furno, Patrick Blanchard, Yanis Andrebe, Riccardo Agnello, Christine Stollberg

We show experimentally that an effect of motion of ions, observed in a plasma-based accelerator, depends inversely on the plasma ion mass. The effect appears within a single wakefield event and manifests itself as a bunch tail, occurring only when sufficie ...

2025

Hosing of a Long Relativistic Particle Bunch in Plasma

Ambrogio Fasoli, Sun Hee Kim, Patrick Blanchard, Ivo Furno, Yanis Andrebe, Riccardo Agnello, Alban Sublet, Christine Stollberg

Experimental results show that hosing of a long particle bunch in plasma can be induced by wakefields driven by a short, misaligned preceding bunch. Hosing develops in the plane of misalignment, selfmodulation in the perpendicular plane, at frequencies clo ...

Amer Physical Soc2024

Real-time optical plasma boundary reconstruction for plasma position control at the TCV Tokamak

Basil Duval, Yanis Andrebe, Hoang Bao Le

A dual, high speed, real-time visible light camera setup was installed on the TCV tokamak to reconstruct optically and in real-time the plasma boundary shape. Localized light emission from the plasma boundary in tangential view, broadband visible images re ...

IOP Publishing Ltd2014

First Microsecond Velocity-space Resolved Simultaneous Measurements of Co- and Counter-current Fast-ion Losses in Forward and Reverse Magnetic Field in a Tokamak

Adrien Rayane Clement, Ambrogio Fasoli, Basil Duval, Alexander Karpushov, Yanis Andrebe, Pierre Lavanchy, Matteo Vallar, Matthieu Toussaint, Jesús Poley Sanjuán, Anton Jansen Van Vuuren

A novel Fast Ion Loss Detector was designed, manufactured, installed and commissioned at the Tokamak & aacute; Configuration Variable. This is the first Fast Ion Loss Detector to feature four collimators that enable simultaneous detection of co- and counte ...

IOP Publishing Ltd2025

Proton Bunch Self-Modulation in Plasma with Density Gradient

Ambrogio Fasoli, Ivo Furno, Patrick Blanchard, Alan Howling, Yanis Andrebe, Amarasinghage Tharindu Dasun Perera, Samuel Rey-Mermet, Ishkhan Gorgisyan

We study experimentally the effect of linear plasma density gradients on the self-modulation of a 400 GeV proton bunch. Results show that a positive or negative gradient increases or decreases the number of microbunches and the relative charge per microbun ...

2020

Commissioning of the heating neutral beam injector on the TCV tokamak

Alexander Karpushov, Philippe Marmillod, Albert Perez, Damien Fasel, Blaise Marlétaz, Yanis Andrebe, Ugo Siravo, Jérémie Dubray

2017

Determination of atomic hydrogen density and fluorescence decay time by 1D resolved, picosecond TALIF in the RAID linear device

Ivo Furno, Yanis Andrebe, Marcelo Baquero Ruiz, Philippe Frédérique Bruno Guittienne, Rémy Jacquier, Christine Stollberg, Renat Karimov

We report on the first 1D resolved two-photon absorption laser-induced fluorescence (TALIF) measurements of atomic hydrogen (H) performed in the Resonant Antenna Ion Device using a picosecond laser system. The results are obtained across a cylindrical plas ...

2024

Present status of heating neutral beam injection system at TCV

David Velasco De La Fuente, Olivier Sauter, Ambrogio Fasoli, Stefano Coda, Basil Duval, Yves Martin, Patrick Blanchard, Alexander Karpushov, Damien Fasel, Yanis Andrebe, Frédéric Dolizy, Ugo Siravo, Rémy Jacquier, Jérémie Dubray, Matthieu Toussaint, Dmytry Mykytchuk, Marc Noël, Aleksandr Listopad

The paper describes the operation and upgrade of the Heating Neutral Beam Injection (HNBI) system as well as the related infrastructure at the Tokamak Configuration Variable (TCV) during the last years. In 2023, the installation of new TCV neutron shieldin ...

2025

The diagnostic neutral beam injector with arc-discharge plasma source on the TCV Tokamak

Basil Duval, Alexander Karpushov, Alessandro Bortolon, Yanis Andrebe

The diagnostic neutral beam injector (DNBI) together with a charge exchange recombination spectroscopy (CXRS) system has been used on the TCV Tokamak as a diagnostic tool for local measurements of plasma ion temperature, velocity and carbon impurity densit ...

Elsevier B.V.2009