Observation of Ti XXI-Fe XXV spectra in x-ray emission of a laser plasma
Journal Article
·
· Opt. Spectrosc. (USSR) (Engl. Transl.); (United States)
OSTI ID:7209572
Using fast x-ray spectrographs, we obtained the spectra of the He-like ions Ti XXl...Fe XXV formed in a laser plasma for a heating radiation flux density 10/sup 14/ W/cm/sup 2/. A characteristic feature of the spectra is the presence of intense satellite lines corresponding to transitions from doubly excited levels of Li, Be, etc., ions. The measured electron temperature was approximately 800 eV, and the ionization temperature approximately 500 eV, which confirms the fact that the laser plasma under the expeimental conditions was ionizing. The spectrum of Fe XXV obtained in the present experiment is compared with spectra obtained previously in the solar corona and the vacuum spark.
- OSTI ID:
- 7209572
- Journal Information:
- Opt. Spectrosc. (USSR) (Engl. Transl.); (United States), Journal Name: Opt. Spectrosc. (USSR) (Engl. Transl.); (United States) Vol. 42:5; ISSN OPSUA
- Country of Publication:
- United States
- Language:
- English
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