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Application of a double-crystal Bragg device with the one crystal swivelling additionally around the X-ray optical axis between the two crystals allows continuous spatial scanning of X-ray line emission from high-temperature plasmas. The main components and physical properties of the monochromator are described and first results of measurements of spatial profiles of the emission shells of several nickel ionisation stages at JET are given.

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Authors: SCHUMACHER U, Max-Planck-Institut für Plasmaphysik, 8046 Garching bei München, (DE);KÄLLNE E, Royal Institute of Technology, 2-10044 Stockholm (SE);MORSI H W, European Southern Observatory, D-8046 Garching bei München (DE);RUPPRECHT G, European Southern Observatory, D-8046 Garching bei München (DE)
Bibliographic Reference: Article: Rev.Sci.Instrum., Vol. 60 (1989), No. 4, pp. 562-566
Record Number: 198911034 / Last updated on: 1994-12-01
Original language: en
Available languages: en