J
Julien Mekki
Researcher at Centre National D'Etudes Spatiales
Publications - 75
Citations - 1007
Julien Mekki is an academic researcher from Centre National D'Etudes Spatiales. The author has contributed to research in topics: Optical fiber & Dosimeter. The author has an hindex of 16, co-authored 65 publications receiving 742 citations. Previous affiliations of Julien Mekki include University of Montpellier & CERN.
Papers
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Journal ArticleDOI
Recent advances in radiation-hardened fiber-based technologies for space applications
Sylvain Girard,Adriana Morana,Ayoub Ladaci,Ayoub Ladaci,Thierry Robin,Luciano Mescia,Jean-Jacques Bonnefois,Mathieu Boutillier,Julien Mekki,Armelle Paveau,Benoit Cadier,Emmanuel Marin,Youcef Ouerdane,Aziz Boukenter +13 more
TL;DR: The state of the art regarding the knowledge of radiation effects on the performance of fiber-based technologies, from the microscopic effects observed in the amorphous silica glass used to design fiber cores and cladding, to the macroscopic response of fibers and systems are described.
Journal ArticleDOI
The SuperCam Instrument Suite on the Mars 2020 Rover: Science Objectives and Mast-Unit Description
Sylvestre Maurice,Roger C. Wiens,P. Bernardi,P. Cais,S. Robinson,T. Nelson,Olivier Gasnault,Jean-Michel Reess,M. Deleuze,Fernando Rull,Jose Antonio Manrique,Sadok Abbaki,Ruth A. Anderson,Y. André,Stanley M. Angel,Gorka Arana,T. Battault,Pierre Beck,Karim Benzerara,Sylvain Bernard,J. P. Berthias,Olivier Beyssac,Marion Bonafous,Bruno Bousquet,M. Boutillier,Alexandre Cadu,Kepa Castro,Frédéric Chapron,B. Chide,K. Clark,E. Clave,Samuel M. Clegg,Edward A. Cloutis,Claude Collin,E. Cordoba,Agnès Cousin,J.-C. Dameury,W. D’anna,Y. Daydou,A. Debus,Lauren DeFlores,Erwin Dehouck,D. M. Delapp,G. de los Santos,C. Donny,A. Doressoundiram,Gilles Dromart,Bruno Dubois,A. Dufour,M. Dupieux,M. Egan,Joan Ervin,Cécile Fabre,Amaury Fau,Woodward W. Fischer,Olivier Forni,T. Fouchet,Jens Frydenvang,S. Gauffre,Michel Gauthier,V. Gharakanian,Olivier Gilard,I. Gontijo,R. Gonzalez,D. Granena,John P. Grotzinger,Rafik Hassen-Khodja,M. Heim,Y. Hello,G. Hervet,Olivier Humeau,Xavier Jacob,Sophie Jacquinod,Jeffrey R. Johnson,Driss Kouach,Gaetan Lacombe,Nina Lanza,Laurent Lapauw,J. Javier Laserna,Jérémie Lasue,L. Le Deit,S. Le Mouélic,E. Le Comte,Q.-M. Lee,C. Legett,Richard Leveille,Eric Lewin,C. Leyrat,Guillermo Lopez-Reyes,Ralph D. Lorenz,Briana Lucero,Juan Manuel Madariaga,Soren N. Madsen,Morten Madsen,N. Mangold,F. Manni,Jean-François Mariscal,Jesús Martínez-Frías,K. Mathieu,R. Mathon,K. McCabe,Timothy H. McConnochie,Scott M. McLennan,Julien Mekki,Noureddine Melikechi,P. Y. Meslin,Y. Micheau,Y. Michel,John Michel,David Mimoun,Anupam K. Misra,Gilles Montagnac,Christophe Montaron,Franck Montmessin,J. Moros,V. Mousset,Y. Morizet,Naomi Murdoch,Raymond Newell,Horton E. Newsom,N. Nguyen Tuong,Ann Ollila,G. Orttner,L. Oudda,L. Parès,Jérôme Parisot,Yann Parot,R. Perez,D. Pheav,L. Picot,P. Pilleri,Cedric Pilorget,Patrick Pinet,Gabriel Pont,Francois Poulet,C. Quantin-Nataf,B. Quertier,D. Rambaud,W. Rapin,P. Romano,L. Roucayrol,Clément Royer,M. Ruellan,Benigno Sandoval,Violaine Sautter,M. J. Schoppers,Susanne Schröder,H. Seran,Shiv K. Sharma,Pablo Sobron,M. Sodki,A. Sournac,V. Sridhar,D. Standarovsky,S. A. Storms,N. Striebig,M. Tatat,M. Toplis,I. Torre-Fdez,N. Toulemont,C. Velasco,Marco Veneranda,D. Venhaus,Cedric Virmontois,M. Viso,Peter Willis,K. W. Wong +166 more
TL;DR: The goal of this work is to provide an understanding of the technical choices made, the constraints that were imposed, and ultimately the validated performance of the flight model as it leaves Earth, and it will serve as the foundation for Mars operations and future processing of the data.
Journal ArticleDOI
CHARM: A Mixed Field Facility at CERN for Radiation Tests in Ground, Atmospheric, Space and Accelerator Representative Environments
Julien Mekki,Markus Brugger,Ruben Garcia Alia,A. Thornton,N. C. Dos Santos Mota,Salvatore Danzeca +5 more
TL;DR: A mixed field radiation test facility called CHARM has been established at CERN as mentioned in this paper to test electronic devices/systems in representative environments, which is not only representative of particle accelerators, but also of atmospheric, ground level and space applications.
Journal ArticleDOI
A New RadMon Version for the LHC and its Injection Lines
Giovanni Spiezia,P. Peronnard,A. Masi,Markus Brugger,M. Brucoli,Salvatore Danzeca,R. Garcia Alia,Roberto Losito,Julien Mekki,Pascal Oser,R. Gaillard,Laurent Dusseau +11 more
TL;DR: In this article, the architecture of the new RadMon, the radiation reliability and the design strategy adopted for the sensors, used for monitoring the mixed radiation field of the LHC accelerator, are described highlighting the achieved improvements in terms of radiation robustness and measurement accuracy of a device which is of interest for many other research institutes.
Proceedings ArticleDOI
The LHC Radiation Monitoring System - RadMon
Giovanni Spiezia,Markus Brugger,Paul Peronnard,K Roeed,Alessandro Masi,Daniel B. Kramer,Marco Calviani,T Wijnands,Alfredo Ferrari,Christian Pignard,Roberto Losito,Anna Nyul,Sergio Batuca,Julien Mekki +13 more
TL;DR: Mekki et al. as discussed by the authors proposed an approach for the first time in CERN CERN CH-1211, Geneve 23, Switzerland E-mail:; Julien Mekki, Sergio Batuca, Markus Brugger, Marco Calviani, Alfredo Ferrari, Daniel Kramer, Roberto Losito, Alessandro Masi, Anna Nyul, Paul Peronnard, Christian Pignard, Ketil Roeed, Thijs Wijnands.