Advanced Optics for a Full Quasi-Optical Front Steering ECRH Upper Launcher for ITER (Contributo in atti di convegno)

Type
Label
  • Advanced Optics for a Full Quasi-Optical Front Steering ECRH Upper Launcher for ITER (Contributo in atti di convegno) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1063/1.3273810 (literal)
Alternative label
  • A. Moro (1), E. Alessi (1), A. Bruschi (1), R. Chavan (2), A. Collazos (2), T. P. Goodman (2), M. A. Henderson (3), P. Platania (1), C. Sozzi (1), and V. S. Udintsev (2) (2009)
    Advanced Optics for a Full Quasi-Optical Front Steering ECRH Upper Launcher for ITER
    in RADIO FREQUENCY POWER IN PLASMAS, Gent (Belgium), 24-26 June 2009
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • A. Moro (1), E. Alessi (1), A. Bruschi (1), R. Chavan (2), A. Collazos (2), T. P. Goodman (2), M. A. Henderson (3), P. Platania (1), C. Sozzi (1), and V. S. Udintsev (2) (literal)
Pagina inizio
  • 547 (literal)
Pagina fine
  • 550 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://proceedings.aip.org/resource/2/apcpcs/1187/1/547_1 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#titoloVolume
  • RADIO FREQUENCY POWER IN PLASMAS: Proceedings of the 18th Topical Conference (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#volumeInCollana
  • 1187 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • (1) Istituto di Fisica del Plasma-CNR-EURATOM-ENEA Association, Milan, Italy (2) Centre de Recherches en Physique des Plasmas, CRPP-EPFL, Lausanne, Switzerland (3) ITER Organization-St. Paul-lez-Durance Cedex, France (literal)
Titolo
  • Advanced Optics for a Full Quasi-Optical Front Steering ECRH Upper Launcher for ITER (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#isbn
  • 978-0-7354-0753-4 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#curatoriVolume
  • Volodymyr Bobkov, Jean-Marie Noterdaeme (literal)
Abstract
  • A full quasi-optical setup for the internal optics of the Front Steering Electron Cyclotron Resonance Heating (ECRH) Upper Launcher for ITER was designed, proving to be feasible and favorable in terms of additional flexibility and cost reduction with respect to the former design [1]. This full quasi-optical solution foresees the replacement of the mitre-bends in the final section of the launcher with dedicated free-space mirrors to realize the last changes of directions in the launcher. A description of the launcher is given and its advantages presented. The parameters of the expected output beams as well as preliminary evaluations of truncation effects with the physical optics GRASP code are shown. Moreover, a study of mitre-bends replacement with single mirrors for multiple beams is described. In principle it could allow the beams to be larger at the mirror locations (with a further decrease of the peak power density due to partial overlapping) and has the additional advantage to get a larger opening with compressed beams to avoid conflicts with side-walls port. Constraints on the setup, arising both from the resulting beam characteristics in the space of free parameters and from mechanical requirements are taken into account in the analysis. (literal)
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