Detection of an electron current in a plasma by an x-ray pinhole camera with a microchannel plate

Journal Article · Fri Jan 01 04:00:00 EST 1982 · Sov. J. Plasma Phys. (Engl. Transl.); (United States)

OSTI ID:5002476

Altyntsev, A T; Krasov, V I; Lebedev, N V; Papernyi, V L; Simonov, V G

A pinhole camera for the soft-x-ray range (0.2--10 keV) with a microchannel-plate detector has been developed. The construction and basic characteristics of this camera are reported. The spatial resolution of the detector is 20 lines/mm. The brightness intensification, the trigger time, and the duration of the exposure are all set by a pulse from the power supply for the microchannel plate. The capabilities of the camera are demonstrated in experiments with a turbulent neutral current sheet. Analysis of an image produced by electron bombardment of a special target in the plasma reveals an electron current in the plasma with a current velocity of 0.3v/sub Te/. The plasma density is n> or =10/sup 12/ cm/sup -3/, the electron temperature is T/sub e/> or =0.2 keV, and the exposure time is 200 ns.

• Research Organization: Siberian Institute of Terrestrial Magnetism, the Ionosphere, and Radio Wave Propagation, Academy of Sciences of the USSR
• OSTI ID: 5002476
• Journal Information: Sov. J. Plasma Phys. (Engl. Transl.); (United States), Journal Name: Sov. J. Plasma Phys. (Engl. Transl.); (United States) Vol. 8:1; ISSN SJPPD
• Country of Publication: United States
• Language: English

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