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Rémy Jacquier

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Related publications (34)

RF bias to suppress post-oxidation of mu c-Si:H films deposited by inductively-coupled plasma using a planar RF resonant antenna

Philippe Frédérique Bruno Guittienne, Alan Howling, Ivo Furno, Rémy Jacquier

One challenge for microcrystalline silicon (mu c-Si:H) deposition is to achieve high deposition rates while maintaining high quality films. In this work, an inductively-coupled plasma (ICP) is used to deposit mu c-Si:H on glass substrates by means of a nov ...

2018

Cavity ring-down spectroscopy to measure negative ion density in a helicon plasma source for fusion neutral beams

Philippe Frédérique Bruno Guittienne, Alan Howling, Ivo Furno, Yanis Andrebe, Gennady Plyushchev, Rémy Jacquier, Riccardo Agnello

Cavity Ring Down Spectroscopy (CRDS) is used to measure the D- absolute density produced in the helicon plasma reactor RAID (Resonant Antenna Ion Device) at the Swiss Plasma Center. The birdcage geometry of the helicon antenna produces a homogeneous, high- ...

2018

Sliding Surface Based Schemes for the Tokamak a Configuration Variable

Patrick Blanchard, Stefano Alberti, Basil Duval, Ambrogio Fasoli, Timothy Goodman, Xavier Llobet, Yves Martin, Jean-Marc Moret, Olivier Sauter, Minh Quang Tran, Henri Weisen, Ivo Furno, Holger Reimerdes, Jean-Philippe Hogge, Stefano Coda, Christian Schlatter, Marco Wischmeier, Jan Horacek, Alexander Karpushov, Laurie Porte, Yanis Andrebe, Yann Camenen, Jonathan Graves, Bernard Schneider, Duccio Testa, Benoît Labit, Rémy Jacquier, Paolo Ricci, Christian Gabriel Theiler, Federico Alberto Alfredo Felici, Miguel Filipe Silva Füglister, Fabio Riva, Wouter Vijvers, Josef Kamleitner, Hoang Bao Le, Zhouji Huang, Himank Anand, Falk Hans Braunmüller, Joyeeta Sinha, Claudio Marini, Antoine Pierre Emmanuel Alexis Merle, , , , , , , , , , , , , , , , , , ,

Spectroscopic characterisation of H2 and D2 helicon plasmas generated by a resonant antenna for neutral beam applications in fusion

Philippe Frédérique Bruno Guittienne, Basil Duval, Alan Howling, Ivo Furno, Alexander Karpushov, Gennady Plyushchev, Rémy Jacquier, Claudio Marini, Kevin Henricus Annemarie Verhaegh, Riccardo Agnello

A new generation of neutral beam systems will be required in future fusion reactors, such as DEMO, able to deliver high power (up to 50 MW) with high (800 keV or higher) neutral energy. Only negative ion beams may be able to attain this performance, which ...

IOP Publishing Ltd2017

Ion heating and flows in a high power helicon source

Alan Howling, Ivo Furno, Gennady Plyushchev, Rémy Jacquier, Riccardo Agnello

We report experimental measurements of ion temperatures and flows in a high power, linear, magnetized, helicon plasma device, the Resonant Antenna Ion Device (RAID). Parallel and perpendicular ion temperatures on the order of 0.6 eV are observed for an rf ...

Amer Inst Physics2017

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

Patrick Blanchard, Stefano Alberti, Basil Duval, Ambrogio Fasoli, Timothy Goodman, Xavier Llobet, Yves Martin, Jean-Marc Moret, Olivier Sauter, Minh Quang Tran, Henri Weisen, Ivo Furno, Holger Reimerdes, Jean-Philippe Hogge, Stefano Coda, Christian Schlatter, Marco Wischmeier, Jan Horacek, Alexander Karpushov, Laurie Porte, Yanis Andrebe, Yann Camenen, Jonathan Graves, Duccio Testa, Benoît Labit, Rémy Jacquier, Paolo Ricci, Christian Gabriel Theiler, Federico Alberto Alfredo Felici, Fabio Riva, Wouter Vijvers, Josef Kamleitner, Hoang Bao Le, Zhouji Huang, Himank Anand, Falk Hans Braunmüller, Joyeeta Sinha, Claudio Marini, Antoine Pierre Emmanuel Alexis Merle, Federico Nespoli, Oulfa Chellaï, , , , , , , , , , , , , , ,

Complex image method for RF antenna-plasma inductive coupling calculation in planar geometry: II. Measurements on a resonant network (vol 24, 065015, 2015)

Philippe Frédérique Bruno Guittienne, Alan Howling, Ivo Furno, Rémy Jacquier

Iop Publishing Ltd2017

Helicon wave-generated plasmas for negative ion beams for fusion

Philippe Frédérique Bruno Guittienne, Alan Howling, Ivo Furno, Gennady Plyushchev, Rémy Jacquier, Claudio Marini, Riccardo Agnello

In the next generation of fusion reactors, such as DEMO, neutral beam injectors (NBIs) of high energy (0.8-1 MeV) deuterium atom swith high wall-plug efficiency (>50%) will be required to reach burning plasma conditions and to provide a significant amount ...

2017

Electromagnetic, complex image model of a large area RF resonant antenna as inductive plasma source

Philippe Frédérique Bruno Guittienne, Alan Howling, Ivo Furno, Rémy Jacquier

A large area antenna generates a plasma by both inductive and capacitive coupling; it is an electromagnetically coupled plasma source. In this work, experiments on a large area planar RF antenna source are interpreted in terms of a multi-conductor transmis ...

2017

Negative ion source development for a photoneutralization based neutral beam system for future fusion reactors

Philippe Frédérique Bruno Guittienne, Basil Duval, Alan Howling, Ivo Furno, Rémy Jacquier, Claudio Marini, Riccardo Agnello

In parallel to the developments dedicated to the ITER neutral beam (NB) system, CEA-IRFM with laboratories in France and Switzerland are studying the feasibility of a new generation of NB system able to provide heating and current drive for the future DEMO ...

Iop Publishing Ltd2016

Dual Langmuir-probe array for 3D plasma studies in TORPEX

Ambrogio Fasoli, Ivo Furno, Rémy Jacquier, Fabio Avino, Oulfa Chellaï, Marcelo Baquero Ruiz, Fabian Manke

We have designed and installed a new Langmuir-probe (LP) array diagnostic to determine basic three-dimensional (3D) features of plasmas in TORPEX. The diagnostic consists of two identical LP arrays, placed on opposite sides of the apparatus, which provide ...

2016

Complex image method for RF antenna-plasma inductive coupling calculation in planar geometry. Part I: basic concepts

Philippe Frédérique Bruno Guittienne, Alan Howling, Ivo Furno, Rémy Jacquier

The coupling between an inductive source and the plasma determines the power transfer efficiency and the reflected impedance in the primary circuit. Usually, the plasma coupling is analysed by means of a transformer equivalent circuit, where the plasma ind ...

Iop Publishing Ltd2015

Complex image method for RF antenna-plasma inductive coupling calculation in planar geometry. Part II: measurements on a resonant network

Philippe Frédérique Bruno Guittienne, Alan Howling, Ivo Furno, Rémy Jacquier

Measurements and analysis of a radio-frequency planar antenna are presented for applications in inductively-coupled plasma processing. The network of inductive and capacitive elements exhibits high currents under resonance which are efficient for plasma ge ...

Iop Publishing Ltd2015

R&D around a photoneutralizer-based NBI system (Siphore) in view of a DEMO Tokamak steady state fusion reactor

Philippe Frédérique Bruno Guittienne, Alan Howling, Ivo Furno, Rémy Jacquier

Since the signature of the ITER treaty in 2006, a new research programme targeting the emergence of a new generation of neutral beam (NB) system for the future fusion reactor (DEMO Tokamak) has been underway between several laboratories in Europe. The spec ...

IOP Publishing Ltd2015

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Pedro Andres Molina Cabrera

Matteo Fontana

Umar Sheikh

Cristian Galperti

Kevin Henricus Annemarie Verhaegh

Fusion power may be seen as the energy of the future in the sense that it composes a potentially clean, cheap and unlimited power source that would reduce the worldwide dependency on non-renewable energies. Nevertheless, while nowadays the fusion reaction ...

IEEE2018

Pedro Andres Molina Cabrera

Umar Sheikh

Cristian Galperti

Kevin Henricus Annemarie Verhaegh

IOP Publishing Ltd2017