Serveur d'exploration sur le thulium

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Preparation and characterization of highly thulium- and alumina-doped optical fibers for single-frequency fiber lasers

Identifieur interne : 000931 ( Main/Exploration ); précédent : 000930; suivant : 000932

Preparation and characterization of highly thulium- and alumina-doped optical fibers for single-frequency fiber lasers

Auteurs : Pavel Honzatko [République tchèque] ; Anirban Dhar [République tchèque] ; Ivan Kasik [République tchèque] ; Ondrej Podrazky [République tchèque] ; Vlastimil Matejec [République tchèque] ; Pavel Peterka [République tchèque] ; Wilfried Blanc [France] ; Bernard Dussardier [France]

Source :

RBID : Hal:hal-00732164

English descriptors

Abstract

Thulium-doped fibers suitable for core-pumped single-frequency lasers were fabricated by the modified chemical vapor deposition (MCVD) method. Refractive index profile, doping profile and spectral absorption was measured. High doping concentration of thulium ions should be achieved to allow for high absorption of light at a pump wavelength while the thulium ions clustering should be avoided to prevent the cooperative upconversion and quenching processes. The fabricated fibers featured pump absorption up to 70dB/m at a pump wavelength of 1611nm. The single-frequency master oscillator with a resonator composed of a pair of fiber Bragg gratings and a thulium-doped fiber was demonstrated with predominantly single ended operation. We achieved a slope efficiency of 22\% and a threshold of 22mW at a lasing wavelength of 1944nm.

Url:
DOI: 10.1117/12.912536


Affiliations:


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Le document en format XML

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<idno type="IdRef">02636817X</idno>
<idno type="ISNI">0000000122597504</idno>
<orgName>Centre National de la Recherche Scientifique</orgName>
<orgName type="acronym">CNRS</orgName>
<date type="start">1939-10-19</date>
<desc>
<address>
<country key="FR"></country>
</address>
<ref type="url">http://www.cnrs.fr/</ref>
</desc>
</org>
</tutelle>
<tutelle active="#struct-117617" type="direct">
<org type="institution" xml:id="struct-117617" status="VALID">
<orgName>Université Nice Sophia Antipolis</orgName>
<orgName type="acronym">UNS</orgName>
<desc>
<address>
<addrLine>Parc Valrose - BP 2135 - 06103 Nice cedex 2</addrLine>
<country key="FR"></country>
</address>
<ref type="url">http://unice.fr/</ref>
</desc>
</org>
</tutelle>
</tutelles>
</hal:affiliation>
<country>France</country>
<placeName>
<settlement type="city">Nice</settlement>
<region type="region" nuts="2">Provence-Alpes-Côte d'Azur</region>
</placeName>
<orgName type="university">Université Nice Sophia Antipolis</orgName>
</affiliation>
</author>
</analytic>
<idno type="DOI">10.1117/12.912536</idno>
</biblStruct>
</sourceDesc>
</fileDesc>
<profileDesc>
<textClass>
<keywords scheme="mix" xml:lang="en">
<term>Chemical vapor deposition</term>
<term>Doping</term>
<term>Fiber Bragg gratings</term>
<term>Fiber lasers</term>
<term>Ions</term>
<term>Lasers</term>
<term>Optical fibers</term>
<term>Oscillators</term>
<term>Refractive index</term>
<term>single-frequency master oscillators Absorption</term>
<term>thulium-doped fiber lasers</term>
<term>thulium-doped fibers</term>
</keywords>
</textClass>
</profileDesc>
</teiHeader>
<front>
<div type="abstract" xml:lang="en">Thulium-doped fibers suitable for core-pumped single-frequency lasers were fabricated by the modified chemical vapor deposition (MCVD) method. Refractive index profile, doping profile and spectral absorption was measured. High doping concentration of thulium ions should be achieved to allow for high absorption of light at a pump wavelength while the thulium ions clustering should be avoided to prevent the cooperative upconversion and quenching processes. The fabricated fibers featured pump absorption up to 70dB/m at a pump wavelength of 1611nm. The single-frequency master oscillator with a resonator composed of a pair of fiber Bragg gratings and a thulium-doped fiber was demonstrated with predominantly single ended operation. We achieved a slope efficiency of 22\% and a threshold of 22mW at a lasing wavelength of 1944nm.</div>
</front>
</TEI>
<affiliations>
<list>
<country>
<li>France</li>
<li>République tchèque</li>
</country>
<region>
<li>Provence-Alpes-Côte d'Azur</li>
</region>
<settlement>
<li>Nice</li>
</settlement>
<orgName>
<li>Université Nice Sophia Antipolis</li>
</orgName>
</list>
<tree>
<country name="République tchèque">
<noRegion>
<name sortKey="Honzatko, Pavel" sort="Honzatko, Pavel" uniqKey="Honzatko P" first="Pavel" last="Honzatko">Pavel Honzatko</name>
</noRegion>
<name sortKey="Dhar, Anirban" sort="Dhar, Anirban" uniqKey="Dhar A" first="Anirban" last="Dhar">Anirban Dhar</name>
<name sortKey="Kasik, Ivan" sort="Kasik, Ivan" uniqKey="Kasik I" first="Ivan" last="Kasik">Ivan Kasik</name>
<name sortKey="Matejec, Vlastimil" sort="Matejec, Vlastimil" uniqKey="Matejec V" first="Vlastimil" last="Matejec">Vlastimil Matejec</name>
<name sortKey="Peterka, Pavel" sort="Peterka, Pavel" uniqKey="Peterka P" first="Pavel" last="Peterka">Pavel Peterka</name>
<name sortKey="Podrazky, Ondrej" sort="Podrazky, Ondrej" uniqKey="Podrazky O" first="Ondrej" last="Podrazky">Ondrej Podrazky</name>
</country>
<country name="France">
<region name="Provence-Alpes-Côte d'Azur">
<name sortKey="Blanc, Wilfried" sort="Blanc, Wilfried" uniqKey="Blanc W" first="Wilfried" last="Blanc">Wilfried Blanc</name>
</region>
<name sortKey="Dussardier, Bernard" sort="Dussardier, Bernard" uniqKey="Dussardier B" first="Bernard" last="Dussardier">Bernard Dussardier</name>
</country>
</tree>
</affiliations>
</record>

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