Design criteria of the bolometer diagnostic for steady-state operation of the W7-X stellaratora

D. Zhang, R. Burhenn, R. König, L. Giannone, P.A. Grodzki, B. Klein, K. Grosser, J. Baldzuhn, K. Ewert, V. Erckmann, M. Hirsch, H.P. Laqua, J.W. Oosterbeek

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Samenvatting

A bolometric diagnostic system with features necessary for steady-state operation in the superconducting stellarator W7-X was designed. During a pulse length of 1800 s with an ECRH (electron cyclotron resonance heating) power of 10 MW, the components suffer not only from a large thermal load but also from stray radiation of the nonabsorbed isotropic microwaves. This paper gives an overview of the technical problems encountered during the design work and the solutions to individual problems to meet the special requirements in W7-X, e.g., component thermal protection, detector offset thermal drift suppression, as well as a microwave shielding technique. © 2010 American Institute of Physics
Originele taal-2Engels
Artikelnummer10E134
Pagina's (van-tot)10E134-1/4
Aantal pagina's4
TijdschriftReview of Scientific Instruments
Volume81
Nummer van het tijdschrift10
DOI's
StatusGepubliceerd - 2010

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