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Abstract

In the core of a thermonuclear plasma all the information usually derived from spectroscopic diagnostics can be obtained only by means of high resolution X-ray spectroscopy. In fact, in these conditions light impurities are completely stripped whereas metallic impurities are highly ionized and radiate in the soft X-ray region of the spectrum. In this paper we briefly discuss the principles of X-ray diffraction by crystals in order to establish the basic knowledge useful for the construction of crystal spectroscopic instruments. Different configurations of crystal spectrometers will be presented and their suitability for the study of various diagnostic problems discussed. Then we discuss the basic physics underlying X-ray spectroscopy and its applications to the diagnostic of plasmas of thermonuclear interest.

Additional information

Authors: BARTIROMO R ENEA, CENTRO FRASCATI (ITALY), ENEA, CENTRO FRASCATI (ITALY)
Bibliographic Reference: WORKSHOP ON DIAGNOSTICS FOR FUSION REACTOR CONDITIONS, VARENNA, COMO (ITALY), SEPT. 6-17, 1982, PP. 123-156 351 P., 1983, ISBN 0-08-031161-X WRITE TO PERGAMON PRESS LTD., HEADINGTON HILL HALL, OXFORD OX3 OBW (ENGLAND), PRICE: UKL 47, (EUR 8351 EN).
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