Laser action in a gas condensation in the vicinity of a hot star
Johansson, Sveneric; Letokhov, Vladilen (2002). Laser action in a gas condensation in the vicinity of a hot star. JETP Letters, 75, (10), 495 - 498
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Published
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English
Authors:
Johansson, Sveneric
;
Letokhov, Vladilen
Department:
Lund Observatory - Has been reorganised
Abstract:
In the region near 1 µm, we have found laser action in a quantum transition between highly excited states of Fe II, with its higher levels being optically pumped by the intense H Ly radiation (1215 Å) formed in the ionized HII region of a gas condensation (blob B) in the close vicinity of the central star in Carinae.
Keywords:
95.85.Kr ;
97.10.Fy ;
98.38.Hv
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