Comparison of laser properties of rare earths in oxide and fluoride glasses
Identifieur interne : 004123 ( Main/Exploration ); précédent : 004122; suivant : 004124Comparison of laser properties of rare earths in oxide and fluoride glasses
Auteurs : R. Reisfeld [Israël] ; M. Eyal [Israël] ; C. K J Rgensen [Suisse]Source :
- Journal of The Less-Common Metals [ 0022-5088 ] ; 1986.
English descriptors
- KwdEn :
- Absorption coefficient, Absorption spectra, Chem, Critical radius, Fluoride, Fluoride glass, Fluoride glasses, Intensity parameters, Laser, Laser action, Laser properties, Lasing level, Matrix elements, Multiphonon decay, Oscillator strengths, Oxide glass, Pbla, Pbla glass, Phys, Rare earth ions, Rare earths, Reisfeld, Solid state chem, Technical papers, Tellurite, Tellurite glass, Transition rates, Zbla, Zbla glass, Zbla zbla znte, Znte.
- Teeft :
- Absorption coefficient, Absorption spectra, Chem, Critical radius, Fluoride, Fluoride glass, Fluoride glasses, Intensity parameters, Laser, Laser action, Laser properties, Lasing level, Matrix elements, Multiphonon decay, Oscillator strengths, Oxide glass, Pbla, Pbla glass, Phys, Rare earth ions, Rare earths, Reisfeld, Solid state chem, Technical papers, Tellurite, Tellurite glass, Transition rates, Zbla, Zbla glass, Zbla zbla znte, Znte.
Abstract
Abstract: Laser properties of fluoride and oxide glasses containing neodymium (III), and holmium(III) depend on the pumping efficiency, lifetimes of the excited and terminal levels and stimulated peak cross-sections.We have determined these properties in oxide glass (tellurite) having a composition of 35ZnO:65TeO2 and fluoride glass (ZBLA) having composition 57ZrF4:34BaF2:5LaF3:4AlF3, or (PBLA) having a composition 36PbF2: 24ZnF2:35GaF3:3YF3:2AlF3 for neodymium(III) and holmium(III).It was shown that multiphonon relaxation (in the case of energy difference less than 3000 cm−1) is always orders of magnitude lower in the fluoride glass than in the tellurite glass, which was chosen as a model for oxide glass. No significant difference was found for concentration quenching between the two kinds of glasses.
Url:
DOI: 10.1016/0022-5088(86)90279-1
Affiliations:
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<term>Laser properties</term>
<term>Lasing level</term>
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<term>Fluoride glass</term>
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<term>Lasing level</term>
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<front><div type="abstract" xml:lang="en">Abstract: Laser properties of fluoride and oxide glasses containing neodymium (III), and holmium(III) depend on the pumping efficiency, lifetimes of the excited and terminal levels and stimulated peak cross-sections.We have determined these properties in oxide glass (tellurite) having a composition of 35ZnO:65TeO2 and fluoride glass (ZBLA) having composition 57ZrF4:34BaF2:5LaF3:4AlF3, or (PBLA) having a composition 36PbF2: 24ZnF2:35GaF3:3YF3:2AlF3 for neodymium(III) and holmium(III).It was shown that multiphonon relaxation (in the case of energy difference less than 3000 cm−1) is always orders of magnitude lower in the fluoride glass than in the tellurite glass, which was chosen as a model for oxide glass. No significant difference was found for concentration quenching between the two kinds of glasses.</div>
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