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New millimeter-wave access for JET reflectometry and ECE

Autor: A. J. H. Donne, L. Meneses, C. Antonucci, Garrard Conway, L. Cupido, A. Guigon, Alessandro Bruschi, F. J. van Amerongen, J. M. Chareau, Carlo Sozzi, E. Manso, D. Starky, W.A. Bongers, J. Fessey, D. Sands, M. F. Graswinckel, D. Wagner, V. Ricardo, E. de la Luna, A. Simonetto, S. Cirant, Filipe da Silva, S. Hanks, P. Varela, T. Tisconia, N. Balshaw, R. Pearce

Publikováno v: Fusion engineering and design 74 (2005): 707. doi:10.1016/j.fusengdes.2005.06.312
info:cnr-pdr/source/autori:Cupido L.; De La Luna E.; Antonucci C.; Guigon A.; van Amerongen F.J.; Bongers W.A.; Donnè A.J.H.; Graswinckel M.F.; Bruschi A.; Cirant S.; Simonetto A.; Sozzi C.; Wagner D.; Manso E.; Meneses L.; Silva F.; Varela P.; Balshaw N.; Chareau J.M.; Conway G.; Fessey J.; Hanks S.; Pearce R.; Ricardo V.; Sands D.; Starky D.; Tisconia T./titolo:New millimeter-wave access for JET reflectometry and ECE/doi:10.1016%2Fj.fusengdes.2005.06.312/rivista:Fusion engineering and design/anno:2005/pagina_da:707/pagina_a:/intervallo_pagine:707/volume:74
Fusion Engineering and Design, 74, 707-713

Millimeter-wave diagnostics at JET, mainly reflectometry, are employing state of art electronics, but are limited in performance by the existing waveguides and antenna system that are inadequate and obsolete. The use of long run waveguides with high

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8e0ded8d5552f2df088be083f8979550
https://doi.org/10.1016/j.fusengdes.2005.06.312

Advances of Reflectometry on Tore-Supra: From Edge Density Profile to Core Density Fluctuations

Autor: G. Leclert, Roland Sabot, A. Truc, L. Vermare, F. Gabillet, Stéphane Heuraux, Pascale Hennequin, C. Bottereau, F. Clairet, C. Honoré, A. Sirinelli, J.-M. Chareau

Publikováno v: International Journal of Infrared and Millimeter Waves. 25:229-246

A new generation of broadband reflectometers based on solid state components has been installed on Tore-Supra. With reflectometers covering the range 50 to 155 GHz, the whole plasma can be scanned. Two X-mode reflectometers (V and W band) are dedicat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c158b2d23c13f5ca0e015ad737c803b6
https://doi.org/10.1023/b:ijim.0000017896.97839.24

Real-time control of internal transport barriers in JET*

Autor: D Mazon, X Litaudon, D Moreau, M Riva, G Tresset, Y Baranov, A Bécoulet, J M Chareau, F Crisanti, R Dux, R Felton, E Joffrin, contributors to the EFDA-JET workprogramme

Publikováno v: Plasma Physics and Controlled Fusion. 44:1087-1104

We present the results of recent experiments related to real-time control of internal transport barriers (ITBs) in JET. Using a simple criterion to characterize the ITB existence, location and strength, we have successfully controlled for the first t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::650e8a5f85c20dd89561a3ac693bad60
https://doi.org/10.1088/0741-3335/44/7/303

X-mode heterodyne reflectometer for edge density profile measurements on Tore Supra

Autor: M. Colin, Stéphane Heuraux, S. Hacquin, M. Paume, Roland Sabot, G. Leclert, J. M. Chareau, Ch. Bottereau, F. Clairet

Publikováno v: Review of Scientific Instruments. 72:340-343

A new broadband reflectometer operating in the frequency range 50–75 GHz in extraordinary mode polarization has been developed and tested on Tore Supra to measure edge density profiles. Using solid state source and active frequency multipliers, it

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::130b5d06f7c0cb81897b5ea922e23b77
https://doi.org/10.1063/1.1319865