Frequency conversion from near-infrared to mid-infrared in highly nonlinear optical fibres
Identifieur interne : 007851 ( Main/Exploration ); précédent : 007850; suivant : 007852Frequency conversion from near-infrared to mid-infrared in highly nonlinear optical fibres
Auteurs : Nicolas Ducros [France] ; Franck Morin [France] ; Kevin Cook [Australie] ; Alexis Labruyere [France] ; Sébastien Fevrier [France] ; Georges Humbert [France] ; Frédéric Druon [France] ; Marc Hanna [France] ; Patrick Georges [France] ; J. Canning [Australie] ; Ryszard Buczynski [Pologne] ; Darius Pysz [Pologne] ; Ryszard Stepien [Pologne]Source :
- Proceedings of SPIE, the International Society for Optical Engineering [ 0277-786X ] ; 2010.
Descripteurs français
- Pascal (Inist)
- Conversion fréquence optique, Diffusion Raman stimulée, Soliton optique, Déplacement fréquence, Saut indice, Impulsion ultracourte, Réseau diffraction, Réseau dans fibre, Réseau Bragg, Optique non linéaire, Indice réfraction, Subpicoseconde, Fibre optique, Fibre microstructurée, Composé binaire, Sulfure d'arsenic, Silice, Chalcogénure, Métal lourd, Oxyde métallique, Verre, Gallium, As2S3, As S, 0130C, 4265R, 4281, 4279D, 4265K, 4265D, 4265T, 4281W, Indice réfraction non linéaire.
- Wicri :
- topic : Métal lourd, Verre.
English descriptors
- KwdEn :
- Arsenic sulfides, Binary compounds, Bragg gratings, Chalcogenides, Diffraction gratings, Frequency shift, Gallium, Glass, Grating in fiber, Heavy metal, Metal oxides, Microstructured fiber, Nonlinear optics, Nonlinear refractive index, Optical fibers, Optical frequency conversion, Optical solitons, Refractive index, Silica, Step index, Stimulated Raman scattering, Subpicosecond, Ultrashort pulse.
Abstract
Chalcogenide or heavy metal oxide glasses are well known for their good transparency in the mid-infrared (MIR) domain as well as their high nonlinear refractive index (n2) tens to hundreds times higher than that of silica. We have investigated the nonlinear frequency conversion processes, based upon either stimulated Raman scattering (SRS) or soliton fission and soliton self-frequency shift (SSFS) in fibres made up with such highly nonlinear infrared transmitting glasses. First, SRS has been investigated in a chalcogenide As2S3 step index fibre. In the single pass configuration, under quasi continuous wave 1550 nm pumping, Raman cascade up to the forth Stokes order has been obtained in a 3 m long piece of fibre. The possibility to build a Raman laser thanks to in-fibre written Bragg gratings has also been investigated. A 5 dB Bragg grating has been written successfully in the core. Then, nonlinear frequency conversion in ultra-short pulse regime has been studied in a heavy metal oxide (lead-bismuth-gallium ternary system) glass photonic crystal fibre. Broadband radiation, from 800 nm up to 2.8 μm, has been obtained by pumping an 8 cm long piece of fibre at 1600 nm in sub-picosecond pulsed regime. The nonlinear frequency conversion process was assessed by numerical modelling taking into account the actual fibre cross-section as well as the measured linear and nonlinear parameters and was found to be due to soliton fission and Raman-induced SSFS.
Affiliations:
- Australie, France, Pologne
- Limousin, Nouvelle-Aquitaine, Nouvelle-Galles du Sud, Île-de-France
- Limoges, Orsay, Palaiseau, Sydney
- Université Paris-Sud, Université de Sydney
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Thomas</s1><s2>87060 Limoges</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Nouvelle-Aquitaine</region><region type="old region" nuts="2">Limousin</region><settlement type="city">Limoges</settlement></placeName></affiliation></author><author><name sortKey="Druon, Frederic" sort="Druon, Frederic" uniqKey="Druon F" first="Frédéric" last="Druon">Frédéric Druon</name><affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Laboratoire Charles Fabry de l'Institut d'Optique, Université Paris-Sud</s1><s2>91127 Palaiseau</s2><s3>FRA</s3><sZ>2 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ><sZ>9 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Île-de-France</region><settlement type="city">Palaiseau</settlement><settlement type="city">Orsay</settlement></placeName><orgName type="university">Université Paris-Sud</orgName></affiliation></author><author><name sortKey="Hanna, Marc" sort="Hanna, Marc" uniqKey="Hanna M" first="Marc" last="Hanna">Marc Hanna</name><affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Laboratoire Charles Fabry de l'Institut d'Optique, Université Paris-Sud</s1><s2>91127 Palaiseau</s2><s3>FRA</s3><sZ>2 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ><sZ>9 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Île-de-France</region><settlement type="city">Palaiseau</settlement><settlement type="city">Orsay</settlement></placeName><orgName type="university">Université Paris-Sud</orgName></affiliation></author><author><name sortKey="Georges, Patrick" sort="Georges, Patrick" uniqKey="Georges P" first="Patrick" last="Georges">Patrick Georges</name><affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Laboratoire Charles Fabry de l'Institut d'Optique, Université Paris-Sud</s1><s2>91127 Palaiseau</s2><s3>FRA</s3><sZ>2 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ><sZ>9 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Île-de-France</region><settlement type="city">Palaiseau</settlement><settlement type="city">Orsay</settlement></placeName><orgName type="university">Université Paris-Sud</orgName></affiliation></author><author><name sortKey="Canning, J" sort="Canning, J" uniqKey="Canning J" first="J." last="Canning">J. Canning</name><affiliation wicri:level="4"><inist:fA14 i1="03"><s1>Interdisciplinary Photonics Laboratories, School of Chemistry, University of Sydney</s1><s2>NSW, 2006</s2><s3>AUS</s3><sZ>3 aut.</sZ><sZ>10 aut.</sZ></inist:fA14><country>Australie</country><placeName><settlement type="city">Sydney</settlement><region type="état">Nouvelle-Galles du Sud</region></placeName><orgName type="university">Université de Sydney</orgName></affiliation></author><author><name sortKey="Buczynski, Ryszard" sort="Buczynski, Ryszard" uniqKey="Buczynski R" first="Ryszard" last="Buczynski">Ryszard Buczynski</name><affiliation wicri:level="1"><inist:fA14 i1="04"><s1>Faculty of Physics, University of Warsaw, Pasteura, 7</s1><s2>02-093 Warsaw</s2><s3>POL</s3><sZ>11 aut.</sZ></inist:fA14><country>Pologne</country><wicri:noRegion>02-093 Warsaw</wicri:noRegion></affiliation></author><author><name sortKey="Pysz, Darius" sort="Pysz, Darius" uniqKey="Pysz D" first="Darius" last="Pysz">Darius Pysz</name><affiliation wicri:level="1"><inist:fA14 i1="05"><s1>Glass Laboratory, Institute of Electronic Materials Technology, Wólczyńska, 133</s1><s2>01-919 Warsaw</s2><s3>POL</s3><sZ>12 aut.</sZ><sZ>13 aut.</sZ></inist:fA14><country>Pologne</country><wicri:noRegion>01-919 Warsaw</wicri:noRegion></affiliation></author><author><name sortKey="Stepien, Ryszard" sort="Stepien, Ryszard" uniqKey="Stepien R" first="Ryszard" last="Stepien">Ryszard Stepien</name><affiliation wicri:level="1"><inist:fA14 i1="05"><s1>Glass Laboratory, Institute of Electronic Materials Technology, Wólczyńska, 133</s1><s2>01-919 Warsaw</s2><s3>POL</s3><sZ>12 aut.</sZ><sZ>13 aut.</sZ></inist:fA14><country>Pologne</country><wicri:noRegion>01-919 Warsaw</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">11-0015340</idno><date when="2010">2010</date><idno type="stanalyst">PASCAL 11-0015340 INIST</idno><idno type="RBID">Pascal:11-0015340</idno><idno type="wicri:Area/PascalFrancis/Corpus">002146</idno><idno type="wicri:Area/PascalFrancis/Curation">003D81</idno><idno type="wicri:Area/PascalFrancis/Checkpoint">002397</idno><idno type="wicri:explorRef" wicri:stream="PascalFrancis" wicri:step="Checkpoint">002397</idno><idno type="wicri:doubleKey">0277-786X:2010:Ducros N:frequency:conversion:from</idno><idno type="wicri:Area/Main/Merge">007E65</idno><idno type="wicri:Area/Main/Curation">007851</idno><idno type="wicri:Area/Main/Exploration">007851</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Frequency conversion from near-infrared to mid-infrared in highly nonlinear optical fibres</title><author><name sortKey="Ducros, Nicolas" sort="Ducros, Nicolas" uniqKey="Ducros N" first="Nicolas" last="Ducros">Nicolas Ducros</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Xlim UMR CNRS 6172, 123 avenue A. Thomas</s1><s2>87060 Limoges</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Nouvelle-Aquitaine</region><region type="old region" nuts="2">Limousin</region><settlement type="city">Limoges</settlement></placeName></affiliation></author><author><name sortKey="Morin, Franck" sort="Morin, Franck" uniqKey="Morin F" first="Franck" last="Morin">Franck Morin</name><affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Laboratoire Charles Fabry de l'Institut d'Optique, Université Paris-Sud</s1><s2>91127 Palaiseau</s2><s3>FRA</s3><sZ>2 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ><sZ>9 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Île-de-France</region><settlement type="city">Palaiseau</settlement><settlement type="city">Orsay</settlement></placeName><orgName type="university">Université Paris-Sud</orgName></affiliation></author><author><name sortKey="Cook, Kevin" sort="Cook, Kevin" uniqKey="Cook K" first="Kevin" last="Cook">Kevin Cook</name><affiliation wicri:level="4"><inist:fA14 i1="03"><s1>Interdisciplinary Photonics Laboratories, School of Chemistry, University of Sydney</s1><s2>NSW, 2006</s2><s3>AUS</s3><sZ>3 aut.</sZ><sZ>10 aut.</sZ></inist:fA14><country>Australie</country><placeName><settlement type="city">Sydney</settlement><region type="état">Nouvelle-Galles du Sud</region></placeName><orgName type="university">Université de Sydney</orgName></affiliation></author><author><name sortKey="Labruyere, Alexis" sort="Labruyere, Alexis" uniqKey="Labruyere A" first="Alexis" last="Labruyere">Alexis Labruyere</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Xlim UMR CNRS 6172, 123 avenue A. Thomas</s1><s2>87060 Limoges</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Nouvelle-Aquitaine</region><region type="old region" nuts="2">Limousin</region><settlement type="city">Limoges</settlement></placeName></affiliation></author><author><name sortKey="Fevrier, Sebastien" sort="Fevrier, Sebastien" uniqKey="Fevrier S" first="Sébastien" last="Fevrier">Sébastien Fevrier</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Xlim UMR CNRS 6172, 123 avenue A. Thomas</s1><s2>87060 Limoges</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Nouvelle-Aquitaine</region><region type="old region" nuts="2">Limousin</region><settlement type="city">Limoges</settlement></placeName></affiliation></author><author><name sortKey="Humbert, Georges" sort="Humbert, Georges" uniqKey="Humbert G" first="Georges" last="Humbert">Georges Humbert</name><affiliation wicri:level="3"><inist:fA14 i1="01"><s1>Xlim UMR CNRS 6172, 123 avenue A. Thomas</s1><s2>87060 Limoges</s2><s3>FRA</s3><sZ>1 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Nouvelle-Aquitaine</region><region type="old region" nuts="2">Limousin</region><settlement type="city">Limoges</settlement></placeName></affiliation></author><author><name sortKey="Druon, Frederic" sort="Druon, Frederic" uniqKey="Druon F" first="Frédéric" last="Druon">Frédéric Druon</name><affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Laboratoire Charles Fabry de l'Institut d'Optique, Université Paris-Sud</s1><s2>91127 Palaiseau</s2><s3>FRA</s3><sZ>2 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ><sZ>9 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Île-de-France</region><settlement type="city">Palaiseau</settlement><settlement type="city">Orsay</settlement></placeName><orgName type="university">Université Paris-Sud</orgName></affiliation></author><author><name sortKey="Hanna, Marc" sort="Hanna, Marc" uniqKey="Hanna M" first="Marc" last="Hanna">Marc Hanna</name><affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Laboratoire Charles Fabry de l'Institut d'Optique, Université Paris-Sud</s1><s2>91127 Palaiseau</s2><s3>FRA</s3><sZ>2 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ><sZ>9 aut.</sZ></inist:fA14><country>France</country><wicri:noRegion>91127 Palaiseau</wicri:noRegion><wicri:noRegion>Université Paris-Sud</wicri:noRegion><placeName><settlement type="city">Orsay</settlement><region type="region" nuts="2">Île-de-France</region></placeName><orgName type="university">Université Paris-Sud</orgName></affiliation></author><author><name sortKey="Georges, Patrick" sort="Georges, Patrick" uniqKey="Georges P" first="Patrick" last="Georges">Patrick Georges</name><affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Laboratoire Charles Fabry de l'Institut d'Optique, Université Paris-Sud</s1><s2>91127 Palaiseau</s2><s3>FRA</s3><sZ>2 aut.</sZ><sZ>7 aut.</sZ><sZ>8 aut.</sZ><sZ>9 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Île-de-France</region><settlement type="city">Palaiseau</settlement><settlement type="city">Orsay</settlement></placeName><orgName type="university">Université Paris-Sud</orgName></affiliation></author><author><name sortKey="Canning, J" sort="Canning, J" uniqKey="Canning J" first="J." last="Canning">J. Canning</name><affiliation wicri:level="4"><inist:fA14 i1="03"><s1>Interdisciplinary Photonics Laboratories, School of Chemistry, University of Sydney</s1><s2>NSW, 2006</s2><s3>AUS</s3><sZ>3 aut.</sZ><sZ>10 aut.</sZ></inist:fA14><country>Australie</country><placeName><settlement type="city">Sydney</settlement><region type="état">Nouvelle-Galles du Sud</region></placeName><orgName type="university">Université de Sydney</orgName></affiliation></author><author><name sortKey="Buczynski, Ryszard" sort="Buczynski, Ryszard" uniqKey="Buczynski R" first="Ryszard" last="Buczynski">Ryszard Buczynski</name><affiliation wicri:level="1"><inist:fA14 i1="04"><s1>Faculty of Physics, University of Warsaw, Pasteura, 7</s1><s2>02-093 Warsaw</s2><s3>POL</s3><sZ>11 aut.</sZ></inist:fA14><country>Pologne</country><wicri:noRegion>02-093 Warsaw</wicri:noRegion></affiliation></author><author><name sortKey="Pysz, Darius" sort="Pysz, Darius" uniqKey="Pysz D" first="Darius" last="Pysz">Darius Pysz</name><affiliation wicri:level="1"><inist:fA14 i1="05"><s1>Glass Laboratory, Institute of Electronic Materials Technology, Wólczyńska, 133</s1><s2>01-919 Warsaw</s2><s3>POL</s3><sZ>12 aut.</sZ><sZ>13 aut.</sZ></inist:fA14><country>Pologne</country><wicri:noRegion>01-919 Warsaw</wicri:noRegion></affiliation></author><author><name sortKey="Stepien, Ryszard" sort="Stepien, Ryszard" uniqKey="Stepien R" first="Ryszard" last="Stepien">Ryszard Stepien</name><affiliation wicri:level="1"><inist:fA14 i1="05"><s1>Glass Laboratory, Institute of Electronic Materials Technology, Wólczyńska, 133</s1><s2>01-919 Warsaw</s2><s3>POL</s3><sZ>12 aut.</sZ><sZ>13 aut.</sZ></inist:fA14><country>Pologne</country><wicri:noRegion>01-919 Warsaw</wicri:noRegion></affiliation></author></analytic><series><title level="j" type="main">Proceedings of SPIE, the International Society for Optical Engineering</title><title level="j" type="abbreviated">Proc. SPIE Int. Soc. Opt. Eng.</title><idno type="ISSN">0277-786X</idno><imprint><date when="2010">2010</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Proceedings of SPIE, the International Society for Optical Engineering</title><title level="j" type="abbreviated">Proc. SPIE Int. Soc. Opt. Eng.</title><idno type="ISSN">0277-786X</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Arsenic sulfides</term><term>Binary compounds</term><term>Bragg gratings</term><term>Chalcogenides</term><term>Diffraction gratings</term><term>Frequency shift</term><term>Gallium</term><term>Glass</term><term>Grating in fiber</term><term>Heavy metal</term><term>Metal oxides</term><term>Microstructured fiber</term><term>Nonlinear optics</term><term>Nonlinear refractive index</term><term>Optical fibers</term><term>Optical frequency conversion</term><term>Optical solitons</term><term>Refractive index</term><term>Silica</term><term>Step index</term><term>Stimulated Raman scattering</term><term>Subpicosecond</term><term>Ultrashort pulse</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Conversion fréquence optique</term><term>Diffusion Raman stimulée</term><term>Soliton optique</term><term>Déplacement fréquence</term><term>Saut indice</term><term>Impulsion ultracourte</term><term>Réseau diffraction</term><term>Réseau dans fibre</term><term>Réseau Bragg</term><term>Optique non linéaire</term><term>Indice réfraction</term><term>Subpicoseconde</term><term>Fibre optique</term><term>Fibre microstructurée</term><term>Composé binaire</term><term>Sulfure d'arsenic</term><term>Silice</term><term>Chalcogénure</term><term>Métal lourd</term><term>Oxyde métallique</term><term>Verre</term><term>Gallium</term><term>As2S3</term><term>As S</term><term>0130C</term><term>4265R</term><term>4281</term><term>4279D</term><term>4265K</term><term>4265D</term><term>4265T</term><term>4281W</term><term>Indice réfraction non linéaire</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Métal lourd</term><term>Verre</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Chalcogenide or heavy metal oxide glasses are well known for their good transparency in the mid-infrared (MIR) domain as well as their high nonlinear refractive index (n<sub>2</sub>) tens to hundreds times higher than that of silica. We have investigated the nonlinear frequency conversion processes, based upon either stimulated Raman scattering (SRS) or soliton fission and soliton self-frequency shift (SSFS) in fibres made up with such highly nonlinear infrared transmitting glasses. First, SRS has been investigated in a chalcogenide As<sub>2</sub>S<sub>3</sub> step index fibre. In the single pass configuration, under quasi continuous wave 1550 nm pumping, Raman cascade up to the forth Stokes order has been obtained in a 3 m long piece of fibre. The possibility to build a Raman laser thanks to in-fibre written Bragg gratings has also been investigated. A 5 dB Bragg grating has been written successfully in the core. Then, nonlinear frequency conversion in ultra-short pulse regime has been studied in a heavy metal oxide (lead-bismuth-gallium ternary system) glass photonic crystal fibre. Broadband radiation, from 800 nm up to 2.8 μm, has been obtained by pumping an 8 cm long piece of fibre at 1600 nm in sub-picosecond pulsed regime. The nonlinear frequency conversion process was assessed by numerical modelling taking into account the actual fibre cross-section as well as the measured linear and nonlinear parameters and was found to be due to soliton fission and Raman-induced SSFS.</div></front></TEI><affiliations><list><country><li>Australie</li><li>France</li><li>Pologne</li></country><region><li>Limousin</li><li>Nouvelle-Aquitaine</li><li>Nouvelle-Galles du Sud</li><li>Île-de-France</li></region><settlement><li>Limoges</li><li>Orsay</li><li>Palaiseau</li><li>Sydney</li></settlement><orgName><li>Université Paris-Sud</li><li>Université de Sydney</li></orgName></list><tree><country name="France"><region name="Nouvelle-Aquitaine"><name sortKey="Ducros, Nicolas" sort="Ducros, Nicolas" uniqKey="Ducros N" first="Nicolas" last="Ducros">Nicolas Ducros</name></region><name sortKey="Druon, Frederic" sort="Druon, Frederic" uniqKey="Druon F" first="Frédéric" last="Druon">Frédéric Druon</name><name sortKey="Fevrier, Sebastien" sort="Fevrier, Sebastien" uniqKey="Fevrier S" first="Sébastien" last="Fevrier">Sébastien Fevrier</name><name sortKey="Georges, Patrick" sort="Georges, Patrick" uniqKey="Georges P" first="Patrick" last="Georges">Patrick Georges</name><name sortKey="Hanna, Marc" sort="Hanna, Marc" uniqKey="Hanna M" first="Marc" last="Hanna">Marc Hanna</name><name sortKey="Humbert, Georges" sort="Humbert, Georges" uniqKey="Humbert G" first="Georges" last="Humbert">Georges Humbert</name><name sortKey="Labruyere, Alexis" sort="Labruyere, Alexis" uniqKey="Labruyere A" first="Alexis" last="Labruyere">Alexis Labruyere</name><name sortKey="Morin, Franck" sort="Morin, Franck" uniqKey="Morin F" first="Franck" last="Morin">Franck Morin</name></country><country name="Australie"><region name="Nouvelle-Galles du Sud"><name sortKey="Cook, Kevin" sort="Cook, Kevin" uniqKey="Cook K" first="Kevin" last="Cook">Kevin Cook</name></region><name sortKey="Canning, J" sort="Canning, J" uniqKey="Canning J" first="J." last="Canning">J. Canning</name></country><country name="Pologne"><noRegion><name sortKey="Buczynski, Ryszard" sort="Buczynski, Ryszard" uniqKey="Buczynski R" first="Ryszard" last="Buczynski">Ryszard Buczynski</name></noRegion><name sortKey="Pysz, Darius" sort="Pysz, Darius" uniqKey="Pysz D" first="Darius" last="Pysz">Darius Pysz</name><name sortKey="Stepien, Ryszard" sort="Stepien, Ryszard" uniqKey="Stepien R" first="Ryszard" last="Stepien">Ryszard Stepien</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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