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Homogeneous line width of rare-earth-doped glasses for levels in a Stark level ladder: A new simple rule
Mittuniversitetet, Fakulteten för naturvetenskap, teknik och medier, Institutionen för informationsteknologi och medier.
Universidad del Pais Vasco, Bilbao, Spain.
Universidad del Pais Vasco, Bilbao, Spain.
2007 (engelsk)Inngår i: Journal of Luminescence, ISSN 0022-2313, E-ISSN 1872-7883, Vol. 122, nr 1-2, s. 453-455Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Concentrating on higher Stark states in multiplet ladders of lanthanide-doped glasses, we show that at 10 K, the homogeneous widths along Stark ladders vary quasi-linearly with the energy position in the ladder.

Assuming that the mechanisms creating the homogeneous widths are first-order processes, either direct processes or two-phonon nonradiative transitions, the observed behavior is simply explained by the fact that energy separations between Stark levels for usual glasses are less, i.e., not far from kT(D), the Debye energy. This in turn provides quasi-equal phonon transition probabilities between individual Stark states. A simple theoretical relationship is derived and compared with experiments.

sted, utgiver, år, opplag, sider
2007. Vol. 122, nr 1-2, s. 453-455
Emneord [en]
homogeneous width, Stark levels, Yb, Er-doped glasses
HSV kategori
Identifikatorer
URN: urn:nbn:se:miun:diva-11859DOI: 10.1016/j.jlumin.2006.01.204ISI: 000242991900135Scopus ID: 2-s2.0-33750958321OAI: oai:DiVA.org:miun-11859DiVA, id: diva2:330468
Konferanse
International Conference on Luminescence and Optical Spectroscopy of Condensed Matter, Jul 25-29, 2006, Beijing, China
Merknad

International Conference on Luminescence and Optical Spectroscopy of Condensed Matter, Jul 25-29, 2006, Beijing, China

Tilgjengelig fra: 2010-07-15 Laget: 2010-07-15 Sist oppdatert: 2017-12-12bibliografisk kontrollert

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