Study of color centers produced in thulium doped YLF crystals irradiated by electron beam and femtosecond laser pulses
Identifieur interne : 001587 ( Main/Exploration ); précédent : 001586; suivant : 001588Study of color centers produced in thulium doped YLF crystals irradiated by electron beam and femtosecond laser pulses
Auteurs : Lilia C. Courrol [Brésil] ; Izilda M. Ranieri [Brésil] ; Sonia L. Baldochi [Brésil] ; Ricardo E. Samad [Brésil] ; Anderson Z. De Freitas [Brésil] ; Laércio Gomes [Brésil] ; Nilson D. Jr Vieira [Brésil]Source :
- Optics communications [ 0030-4018 ] ; 2007.
Descripteurs français
- Pascal (Inist)
- Conversion fréquence optique, Faisceau électron, Photoblanchiment, Impulsion ultracourte, Effet photoinduit, Fluorescence, Transfert énergie excitation, Laser pulsé, Guide onde optique, Optique non linéaire, Modèle phénoménologique, Domaine temps fs, Température ambiante, Propriété optique, Matériau dopé, Composé ternaire, Yttrium fluorure, Lithium fluorure, Addition thulium, Thulium ion, Addition titane, YLiF4, LiF, F Li Y, F Li, Saphir:Ti, 4265R, 4279G, 4265K, Amplification dérive fréquence, Equation bilan transfert énergie, Upconversion.
English descriptors
- KwdEn :
- Ambient temperature, Chirped pulse amplification, Doped materials, Electron beams, Excitation energy transfer, Fluorescence, Lithium fluorides, Nonlinear optics, Optical frequency conversion, Optical properties, Optical waveguides, Phenomenological model, Photobleaching, Photoinduced effect, Pulsed lasers, Rate equation, Ternary compounds, Thulium additions, Thulium ions, Titanium additions, Ultrashort pulse, Upconversion, Yttrium fluorides, fs range.
Abstract
In this work, we report the influence of the presence of photochromic and color centers in the photobleaching of thulium ions blue emission in YLF (YLiF4) crystals doped with 1 mol% Tm (3+). The samples were irradiated at room temperature both with electron beam and high intensity ultrashort pulses from a Ti:Sapphire CPA laser system. In both irradiations the production of photochromic and color centers was observed via the absorption bands in the UV and visible ranges. Pure LiF and pure and oxygen doped YLF crystals were used to identify the color centers produced and their optical properties. From a phenomenological model it was possible to study the interaction between color centers and thulium ions, and their effect in photobleaching and photodarkening behaviors. Finally, the blue up laser level population was computed using a rate equation analysis.
Affiliations:
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Courrol</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>Departamento de Ciências Químicas, Físicas e Matemáticas, Universidade Federal de São Paulo, UNIFESP/Campus Diadema, Rua Arthur Ridel, 275</s1><s2>Eldorado, Diadema/SP</s2><s3>BRA</s3><sZ>1 aut.</sZ></inist:fA14><country>Brésil</country><placeName><region type="state">État de São Paulo</region></placeName></affiliation></author><author><name sortKey="Ranieri, Izilda M" sort="Ranieri, Izilda M" uniqKey="Ranieri I" first="Izilda M." last="Ranieri">Izilda M. Ranieri</name><affiliation wicri:level="2"><inist:fA14 i1="02"><s1>Centra de Lasers e Aplicações, IPEN-CNEN</s1><s2>São Paulo, SP</s2><s3>BRA</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ></inist:fA14><country>Brésil</country><placeName><region type="state">État de São Paulo</region></placeName></affiliation></author><author><name sortKey="Baldochi, Sonia L" sort="Baldochi, Sonia L" uniqKey="Baldochi S" first="Sonia L." last="Baldochi">Sonia L. Baldochi</name><affiliation wicri:level="2"><inist:fA14 i1="02"><s1>Centra de Lasers e Aplicações, IPEN-CNEN</s1><s2>São Paulo, SP</s2><s3>BRA</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ></inist:fA14><country>Brésil</country><placeName><region type="state">État de São Paulo</region></placeName></affiliation></author><author><name sortKey="Samad, Ricardo E" sort="Samad, Ricardo E" uniqKey="Samad R" first="Ricardo E." last="Samad">Ricardo E. Samad</name><affiliation wicri:level="2"><inist:fA14 i1="02"><s1>Centra de Lasers e Aplicações, IPEN-CNEN</s1><s2>São Paulo, SP</s2><s3>BRA</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ></inist:fA14><country>Brésil</country><placeName><region type="state">État de São Paulo</region></placeName></affiliation></author><author><name sortKey="De Freitas, Anderson Z" sort="De Freitas, Anderson Z" uniqKey="De Freitas A" first="Anderson Z." last="De Freitas">Anderson Z. De Freitas</name><affiliation wicri:level="2"><inist:fA14 i1="02"><s1>Centra de Lasers e Aplicações, IPEN-CNEN</s1><s2>São Paulo, SP</s2><s3>BRA</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ></inist:fA14><country>Brésil</country><placeName><region type="state">État de São Paulo</region></placeName></affiliation></author><author><name sortKey="Gomes, Laercio" sort="Gomes, Laercio" uniqKey="Gomes L" first="Laércio" last="Gomes">Laércio Gomes</name><affiliation wicri:level="2"><inist:fA14 i1="02"><s1>Centra de Lasers e Aplicações, IPEN-CNEN</s1><s2>São Paulo, SP</s2><s3>BRA</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ></inist:fA14><country>Brésil</country><placeName><region type="state">État de São Paulo</region></placeName></affiliation></author><author><name sortKey="Vieira, Nilson D Jr" sort="Vieira, Nilson D Jr" uniqKey="Vieira N" first="Nilson D. Jr" last="Vieira">Nilson D. Jr Vieira</name><affiliation wicri:level="2"><inist:fA14 i1="02"><s1>Centra de Lasers e Aplicações, IPEN-CNEN</s1><s2>São Paulo, SP</s2><s3>BRA</s3><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ></inist:fA14><country>Brésil</country><placeName><region type="state">État de São Paulo</region></placeName></affiliation></author></analytic><series><title level="j" type="main">Optics communications</title><title level="j" type="abbreviated">Opt. commun.</title><idno type="ISSN">0030-4018</idno><imprint><date when="2007">2007</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Optics communications</title><title level="j" type="abbreviated">Opt. commun.</title><idno type="ISSN">0030-4018</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Ambient temperature</term><term>Chirped pulse amplification</term><term>Doped materials</term><term>Electron beams</term><term>Excitation energy transfer</term><term>Fluorescence</term><term>Lithium fluorides</term><term>Nonlinear optics</term><term>Optical frequency conversion</term><term>Optical properties</term><term>Optical waveguides</term><term>Phenomenological model</term><term>Photobleaching</term><term>Photoinduced effect</term><term>Pulsed lasers</term><term>Rate equation</term><term>Ternary compounds</term><term>Thulium additions</term><term>Thulium ions</term><term>Titanium additions</term><term>Ultrashort pulse</term><term>Upconversion</term><term>Yttrium fluorides</term><term>fs range</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Conversion fréquence optique</term><term>Faisceau électron</term><term>Photoblanchiment</term><term>Impulsion ultracourte</term><term>Effet photoinduit</term><term>Fluorescence</term><term>Transfert énergie excitation</term><term>Laser pulsé</term><term>Guide onde optique</term><term>Optique non linéaire</term><term>Modèle phénoménologique</term><term>Domaine temps fs</term><term>Température ambiante</term><term>Propriété optique</term><term>Matériau dopé</term><term>Composé ternaire</term><term>Yttrium fluorure</term><term>Lithium fluorure</term><term>Addition thulium</term><term>Thulium ion</term><term>Addition titane</term><term>YLiF4</term><term>LiF</term><term>F Li Y</term><term>F Li</term><term>Saphir:Ti</term><term>4265R</term><term>4279G</term><term>4265K</term><term>Amplification dérive fréquence</term><term>Equation bilan transfert énergie</term><term>Upconversion</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">In this work, we report the influence of the presence of photochromic and color centers in the photobleaching of thulium ions blue emission in YLF (YLiF<sub>4</sub>) crystals doped with 1 mol% Tm (3+). The samples were irradiated at room temperature both with electron beam and high intensity ultrashort pulses from a Ti:Sapphire CPA laser system. In both irradiations the production of photochromic and color centers was observed via the absorption bands in the UV and visible ranges. Pure LiF and pure and oxygen doped YLF crystals were used to identify the color centers produced and their optical properties. From a phenomenological model it was possible to study the interaction between color centers and thulium ions, and their effect in photobleaching and photodarkening behaviors. Finally, the blue up laser level population was computed using a rate equation analysis.</div></front></TEI><affiliations><list><country><li>Brésil</li></country><region><li>État de São Paulo</li></region></list><tree><country name="Brésil"><region name="État de São Paulo"><name sortKey="Courrol, Lilia C" sort="Courrol, Lilia C" uniqKey="Courrol L" first="Lilia C." last="Courrol">Lilia C. Courrol</name></region><name sortKey="Baldochi, Sonia L" sort="Baldochi, Sonia L" uniqKey="Baldochi S" first="Sonia L." last="Baldochi">Sonia L. Baldochi</name><name sortKey="De Freitas, Anderson Z" sort="De Freitas, Anderson Z" uniqKey="De Freitas A" first="Anderson Z." last="De Freitas">Anderson Z. De Freitas</name><name sortKey="Gomes, Laercio" sort="Gomes, Laercio" uniqKey="Gomes L" first="Laércio" last="Gomes">Laércio Gomes</name><name sortKey="Ranieri, Izilda M" sort="Ranieri, Izilda M" uniqKey="Ranieri I" first="Izilda M." last="Ranieri">Izilda M. Ranieri</name><name sortKey="Samad, Ricardo E" sort="Samad, Ricardo E" uniqKey="Samad R" first="Ricardo E." last="Samad">Ricardo E. Samad</name><name sortKey="Vieira, Nilson D Jr" sort="Vieira, Nilson D Jr" uniqKey="Vieira N" first="Nilson D. Jr" last="Vieira">Nilson D. Jr Vieira</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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