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Homogeneously broadened far-infrared absorption line due to the Ebar-]2abar transition of excited chromium ions in ruby

URN to cite this document:
urn:nbn:de:bvb:355-epub-185832
DOI to cite this document:
10.5283/epub.18583
Retzer, N. ; Lengfellner, Hans ; Renk, Karl Friedrich
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Date of publication of this fulltext: 08 Dec 2010 08:44


Abstract

By use of far-infrared laser spectroscopy, we have found that for a high-quality ruby crystal at low temperature, the absorption line due to the electronic transition between the excited states Image and Image ions is previous termhomogeneouslynext term broadened. From the linewidth (0.011 cm-1) the lifetime of the 2Image level against emission of 29 cm-1 phonons is obtained.


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