Comparison of laser properties of rare earths in oxide and fluoride glasses

R. Reisfeld; M. Eyal; C. K. Jørgensen

doi:10.1016/0022-5088(86)90279-1

Comparison of laser properties of rare earths in oxide and fluoride glasses

R. Reisfeld^*
, M. Eyal
, C. K. Jørgensen

^*Corresponding author for this work

Institute of Chemistry

Research output: Contribution to journal › Article › peer-review

29 Scopus citations

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.

Original language	English
Pages (from-to)	187-194
Number of pages	8
Journal	Journal of the Less-Common Metals
Volume	126
Issue number	C
DOIs	https://doi.org/10.1016/0022-5088(86)90279-1
State	Published - Dec 1986

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title = "Comparison of laser properties of rare earths in oxide and fluoride glasses",

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.",

author = "R. Reisfeld and M. Eyal and J{\o}rgensen, \{C. K.\}",

year = "1986",

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T1 - Comparison of laser properties of rare earths in oxide and fluoride glasses

AU - Reisfeld, R.

AU - Eyal, M.

AU - Jørgensen, C. K.

PY - 1986/12

Y1 - 1986/12

N2 - 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.

AB - 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.

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JO - Journal of the Less-Common Metals

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Comparison of laser properties of rare earths in oxide and fluoride glasses

Abstract

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