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On the feasibility of electro-optical detection of dust-impact ionization in tokamaks (Articolo in rivista)

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On the feasibility of electro-optical detection of dust-impact ionization in tokamaks (Articolo in rivista) (literal)

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Castaldo, C.[ 1 ] ; Ratynskaia, S.[ 2 ] ; De Angeli, M.[ 3 ] ; de Angelis, U.[ 4,5 ] (2010)
On the feasibility of electro-optical detection of dust-impact ionization in tokamaks
in Plasma physics and controlled fusion (Print)
(literal)

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Castaldo, C.[ 1 ] ; Ratynskaia, S.[ 2 ] ; De Angeli, M.[ 3 ] ; de Angelis, U.[ 4,5 ] (literal)

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[ 1 ] ENEA Frascati, Frascati, Italy [ 2 ] Royal Inst Technol KTH, Assoc EURATOM VR, Div Space & Plasma Phys, S-10044 Stockholm, Sweden [ 3 ] CNR P Caldirola, Istituto di Fisica del Plasma, Milan, Italy [ 4 ] Univ Naples Federico 2, Dept Phys Sci, I-80138 Naples, Italy [ 5 ] Ist Nazl Fis Nucl, Sez Napoli, Naples, Italy (literal)

Titolo

On the feasibility of electro-optical detection of dust-impact ionization in tokamaks (literal)

Abstract

The feasibility of the optical and electrical detection of dust-impact ionization events in the scrape-off layers of tokamak plasmas is evaluated. It is shown that the expected light emission and the charge released during a dust impact on a biased target can be measured above the light emission and the charge collected due to the background plasma. A scheme of an electro-optical probe for diagnostics of fast dust particles is proposed. (literal)

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