Gain cross-sections of transparent oxyfluoride glass-ceramics single-doped with Ho3+ (at 2.0 μm) and with Tm3+ (at 1.8 μm)
Identifieur interne : 001646 ( Main/Exploration ); précédent : 001645; suivant : 001647Gain cross-sections of transparent oxyfluoride glass-ceramics single-doped with Ho3+ (at 2.0 μm) and with Tm3+ (at 1.8 μm)
Auteurs : V. K. Tikhomirov [Espagne, Royaume-Uni] ; J. Mendez-Ramos [Espagne] ; V. D. Rodriguez [Espagne] ; D. Furniss [Royaume-Uni] ; A. B. Seddon [Royaume-Uni]Source :
- Journal of alloys and compounds [ 0925-8388 ] ; 2007.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Dopage.
English descriptors
- KwdEn :
Abstract
We have developed transparent 3.5 mol% Ho3+ and Tm3+ single-doped oxyfluoride glass-ceramics, where a large fraction of dopant ions is segregated into PbF2-based nano-crystals. The absorption and emission cross-sections corresponding to the 5I7 ↔ 5I8 transitions of the Ho3+ (at 2.0μm), and to the 3H6 ↔ 3F4 transitions of the Tm3+ (at 1.8 μm), have been obtained and respective gain cross-section spectra have been computed as a function of population inversion. For Ho3+-doped samples, the maximum gain cross-section increased by 20% on ceramming of the precursor glass and reached, for the ensuing glass-ceramics, a value 1.5 times higher than that reported for fluoride glasses. The maximum gain cross-section for Tm3+-doped samples increased 2.5 times on ceramming of the precursor glasses and reached for the ensuing glass-ceramics a value 2-3 times higher than for other fluoride hosts, such as ZBLAN glass, and 1.5 times higher than for silicate and germanate glass hosts. Hence, these Ho3+-and Tm5+ -doped glass-ceramics have an advantage for application in planar and fibre lasers/amplifiers at about 2.0, and 1.8 μm, respectively.
Affiliations:
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Le document en format XML
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(at 2.0 μm) and with Tm<sup>3+</sup>
(at 1.8 μm)</title>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Gain cross-sections of transparent oxyfluoride glass-ceramics single-doped with Ho<sup>3+</sup>
(at 2.0 μm) and with Tm<sup>3+</sup>
(at 1.8 μm)</title>
<author><name sortKey="Tikhomirov, V K" sort="Tikhomirov, V K" uniqKey="Tikhomirov V" first="V. K." last="Tikhomirov">V. K. Tikhomirov</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Departamento de Fisica Fundamental y Experimental, Electrónica y Sistemas, Universidad de La Laguna</s1>
<s2>38206 La Laguna, Tenerife</s2>
<s3>ESP</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
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</inist:fA14>
<country>Espagne</country>
<wicri:noRegion>38206 La Laguna, Tenerife</wicri:noRegion>
</affiliation>
<affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Novel Photonic Glasses Research Group, Center for Advanced Materials, University of Nottingham</s1>
<s2>Nottingham NG7 2RD</s2>
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<sZ>4 aut.</sZ>
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<country>Royaume-Uni</country>
<placeName><settlement type="city">Nottingham</settlement>
<region type="nation">Angleterre</region>
<region type="région" nuts="1">Nottinghamshire</region>
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<orgName type="university">Université de Nottingham</orgName>
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</author>
<author><name sortKey="Mendez Ramos, J" sort="Mendez Ramos, J" uniqKey="Mendez Ramos J" first="J." last="Mendez-Ramos">J. Mendez-Ramos</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Departamento de Fisica Fundamental y Experimental, Electrónica y Sistemas, Universidad de La Laguna</s1>
<s2>38206 La Laguna, Tenerife</s2>
<s3>ESP</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
</inist:fA14>
<country>Espagne</country>
<wicri:noRegion>38206 La Laguna, Tenerife</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Rodriguez, V D" sort="Rodriguez, V D" uniqKey="Rodriguez V" first="V. D." last="Rodriguez">V. D. Rodriguez</name>
<affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Departamento de Fisica Fundamental y Experimental, Electrónica y Sistemas, Universidad de La Laguna</s1>
<s2>38206 La Laguna, Tenerife</s2>
<s3>ESP</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
</inist:fA14>
<country>Espagne</country>
<wicri:noRegion>38206 La Laguna, Tenerife</wicri:noRegion>
</affiliation>
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<author><name sortKey="Furniss, D" sort="Furniss, D" uniqKey="Furniss D" first="D." last="Furniss">D. Furniss</name>
<affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Novel Photonic Glasses Research Group, Center for Advanced Materials, University of Nottingham</s1>
<s2>Nottingham NG7 2RD</s2>
<s3>GBR</s3>
<sZ>1 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
</inist:fA14>
<country>Royaume-Uni</country>
<placeName><settlement type="city">Nottingham</settlement>
<region type="nation">Angleterre</region>
<region type="région" nuts="1">Nottinghamshire</region>
</placeName>
<orgName type="university">Université de Nottingham</orgName>
</affiliation>
</author>
<author><name sortKey="Seddon, A B" sort="Seddon, A B" uniqKey="Seddon A" first="A. B." last="Seddon">A. B. Seddon</name>
<affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Novel Photonic Glasses Research Group, Center for Advanced Materials, University of Nottingham</s1>
<s2>Nottingham NG7 2RD</s2>
<s3>GBR</s3>
<sZ>1 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
</inist:fA14>
<country>Royaume-Uni</country>
<placeName><settlement type="city">Nottingham</settlement>
<region type="nation">Angleterre</region>
<region type="région" nuts="1">Nottinghamshire</region>
</placeName>
<orgName type="university">Université de Nottingham</orgName>
</affiliation>
</author>
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<series><title level="j" type="main">Journal of alloys and compounds</title>
<title level="j" type="abbreviated">J. alloys compd.</title>
<idno type="ISSN">0925-8388</idno>
<imprint><date when="2007">2007</date>
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<seriesStmt><title level="j" type="main">Journal of alloys and compounds</title>
<title level="j" type="abbreviated">J. alloys compd.</title>
<idno type="ISSN">0925-8388</idno>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Absorption spectra</term>
<term>Doping</term>
<term>Energy-level transitions</term>
<term>Fluoride glass</term>
<term>Glass ceramics</term>
<term>Holmium additions</term>
<term>Optical materials</term>
<term>Oxyfluorides</term>
<term>Photoluminescence</term>
<term>Population inversion</term>
<term>Stimulated emission</term>
<term>Thulium additions</term>
<term>Transparent material</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Dopage</term>
<term>Inversion population</term>
<term>Photoluminescence</term>
<term>Spectre absorption</term>
<term>Transition niveau énergie</term>
<term>Addition holmium</term>
<term>Addition thulium</term>
<term>Emission stimulée</term>
<term>Oxyfluorure</term>
<term>Vitrocéramique</term>
<term>Matériau transparent</term>
<term>Verre fluorure</term>
<term>Matériau optique</term>
<term>7855Q</term>
</keywords>
<keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Dopage</term>
</keywords>
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<front><div type="abstract" xml:lang="en">We have developed transparent 3.5 mol% Ho<sup>3+</sup>
and Tm<sup>3+</sup>
single-doped oxyfluoride glass-ceramics, where a large fraction of dopant ions is segregated into PbF<sub>2</sub>
-based nano-crystals. The absorption and emission cross-sections corresponding to the <sup>5</sup>
I<sub>7</sub>
↔ <sup>5</sup>
I<sub>8</sub>
transitions of the Ho<sup>3+</sup>
(at 2.0μm), and to the <sup>3</sup>
H6 ↔ <sup>3</sup>
F<sub>4</sub>
transitions of the Tm<sup>3+</sup>
(at 1.8 μm), have been obtained and respective gain cross-section spectra have been computed as a function of population inversion. For Ho<sup>3+</sup>
-doped samples, the maximum gain cross-section increased by 20% on ceramming of the precursor glass and reached, for the ensuing glass-ceramics, a value 1.5 times higher than that reported for fluoride glasses. The maximum gain cross-section for Tm<sup>3+</sup>
-doped samples increased 2.5 times on ceramming of the precursor glasses and reached for the ensuing glass-ceramics a value 2-3 times higher than for other fluoride hosts, such as ZBLAN glass, and 1.5 times higher than for silicate and germanate glass hosts. Hence, these Ho<sup>3+</sup>
-and Tm<sup>5+</sup>
-doped glass-ceramics have an advantage for application in planar and fibre lasers/amplifiers at about 2.0, and 1.8 μm, respectively.</div>
</front>
</TEI>
<affiliations><list><country><li>Espagne</li>
<li>Royaume-Uni</li>
</country>
<region><li>Angleterre</li>
<li>Nottinghamshire</li>
</region>
<settlement><li>Nottingham</li>
</settlement>
<orgName><li>Université de Nottingham</li>
</orgName>
</list>
<tree><country name="Espagne"><noRegion><name sortKey="Tikhomirov, V K" sort="Tikhomirov, V K" uniqKey="Tikhomirov V" first="V. K." last="Tikhomirov">V. K. Tikhomirov</name>
</noRegion>
<name sortKey="Mendez Ramos, J" sort="Mendez Ramos, J" uniqKey="Mendez Ramos J" first="J." last="Mendez-Ramos">J. Mendez-Ramos</name>
<name sortKey="Rodriguez, V D" sort="Rodriguez, V D" uniqKey="Rodriguez V" first="V. D." last="Rodriguez">V. D. Rodriguez</name>
</country>
<country name="Royaume-Uni"><region name="Angleterre"><name sortKey="Tikhomirov, V K" sort="Tikhomirov, V K" uniqKey="Tikhomirov V" first="V. K." last="Tikhomirov">V. K. Tikhomirov</name>
</region>
<name sortKey="Furniss, D" sort="Furniss, D" uniqKey="Furniss D" first="D." last="Furniss">D. Furniss</name>
<name sortKey="Seddon, A B" sort="Seddon, A B" uniqKey="Seddon A" first="A. B." last="Seddon">A. B. Seddon</name>
</country>
</tree>
</affiliations>
</record>
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