Short-Term and Long-Term Stability in Ytterbium-Doped High-Power Fiber Lasers and Amplifiers von Changgeng Ye, Petit, Laeticia, Koponen, Joona J., I-Ning Hu, Galvanauskas, Almantas

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Measuring photodarkening from single-mode ytterbium doped silica fibers von Koponen, Joona J, Söderlund, Mikko J, Hoffman, Hanna J, Tammela, Simo K T

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A Unified Approach to Achieving High Power and High Energy in Chirally Coupled-Core Ytterbium-Doped Fiber Amplifier Systems von Jinxu Bai, Jim Zhang, Koponen, Joona, Kanskar, Manoj, Towe, Elias

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Stress-Induced Refractive Index Changes in Laser Fibers and Preforms von Kiiveri, Pauli, Koponen, Joona, Harra, Juha, Kimmelma, Ossi, Paul, Jijo, Aallos, Ville, Novotny, Steffen, Husu, Hannu, Ihalainen, Heikki

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Photodarkening-induced increase of fiber temperature von Montiel I Ponsoda, Joan J, Söderlund, Mikko J, Koplow, Jeffrey P, Koponen, Joona J, Honkanen, Seppo

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Single-Frequency 336 W Spliceless All-Fiber Amplifier Based on a Chirally-Coupled-Core Fiber for the Next Generation of Gravitational Wave Detectors von Hochheim, Sven, Brockmuller, Eike, Wessels, Peter, Koponen, Joona, Lowder, Tyson, Novotny, Steffen, Willke, Benno, Neumann, Jorg, Kracht, Dietmar

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Highly-Integrated Signal and Pump Combiner in Chirally-Coupled-Core Fibers von Hochheim, Sven, Brockmuller, Eike, Wessels, Peter, Steinke, Michael, Koponen, Joona, Lowder, Tyson, Novotny, Steffen, Neumann, Jorg, Kracht, Dietmar

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Single-frequency chirally coupled-core all-fiber amplifier with 100  W in a linearly polarized TEM00 mode von Hochheim, Sven, Steinke, Michael, Wessels, Peter, de Varona, Omar, Koponen, Joona, Lowder, Tyson, Novotny, Steffen, Neumann, Jörg, Kracht, Dietmar

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On the measurement of fundamental mode bend loss in large-mode-area optical fibers von Ye, Changgeng, Koponen, Joona, Aallos, Ville, Kokki, Teemu, Kimmelma, Ossi

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Single-frequency chirally coupled-core all-fiber amplifier with 100  W in a linearly polarized TEM 00 mode von Hochheim, Sven, Steinke, Michael, Wessels, Peter, de Varona, Omar, Koponen, Joona, Lowder, Tyson, Novotny, Steffen, Neumann, Jörg, Kracht, Dietmar

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Inversion behavior in core- and cladding-pumped Yb-doped fiber photodarkening measurements von Koponen, Joona, Laurila, Marko, Hotoleanu, Mircea

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Photodarkening rate in Yb-doped silica fibers von Koponen, Joona, Söderlund, Mikko, Hoffman, Hanna J, Kliner, Dahv A V, Koplow, Jeffrey P, Hotoleanu, Mircea

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Effect of partial crystallization on the thermal, optical, structural and Er3+ luminescence properties of silicate glasses von Massera, Jonathan, Sevrette, Benjamin, Petit, Laeticia, Koponen, Joona, Törngren, Björn, Glorieux, Benoit, Hupa, Leena, Hupa, Mikko

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Influence of the P2O5/Al2O3 co-doping on the local environment of erbium ions and on the 1.5μm quantum efficiency of Er3+-borosilicate glasses von Bourhis, Kevin, Boetti, Nadia G., Koponen, Joona, Milanese, Daniel, Petit, Laetica

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Er3+–Al2O3 nanoparticles doping of borosilicate glass von MASSERA, JONATHAN, PETIT, LAETICIA, KOPONEN, JOONA, GLORIEUX, BENOIT, HUPA, LEENA, HUPA, MIKKO

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Erbium-doped borosilicate glasses containing various amounts of P2O5 and Al2O3: Influence of the silica content on the structure and thermal, physical, optical and luminescence pro... von Bourhis, Kevin, Massera, Jonathan, Petit, Laeticia, Koponen, Joona, Fargues, Alexandre, Cardinal, Thierry, Hupa, Leena, Hupa, Mikko, Dussauze, Marc, Rodriguez, Vincent, Ferraris, Monica

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Thermal and structural characterization of erbium-doped borosilicate fibers with low silica content containing various amounts of P2O5 and Al2O3 von Bourhis, Kevin, Shpotyuk, Yaroslav, Massera, Jonathan, Aallos, Ville, Jouan, Thierry, Boussard-Plédel, Catherine, Bureau, Bruno, Petit, Laeticia, Koponen, Joona, Hupa, Leena, Hupa, Mikko, Ferraris, Monica

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Erbium-doped borosilicate glasses containing various amounts of P{sub 2}O{sub 5} and Al{sub 2}O{sub 3}: Influence of the silica content on the structure and thermal, physical, opti... von Bourhis, Kevin, Massera, Jonathan, BioMediTech, Tampere, Petit, Laeticia, nLIGHT Corporation, Sorronrinne 9, FI-08500 Lohja, Koponen, Joona, Fargues, Alexandre, Cardinal, Thierry, Hupa, Leena, Hupa, Mikko, Dussauze, Marc, Rodriguez, Vincent, Ferraris, Monica

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Thermal and structural characterization of erbium-doped borosilicate fibers with low silica content containing various amounts of P sub(2)O sub(5) and Al sub(2)O sub(3) von Bourhis, Kevin, Shpotyuk, Yaroslav, Massera, Jonathan, Aallos, Ville, Jouan, Thierry, Boussard-Pledel, Catherine, Bureau, Bruno, Petit, Laeticia, Koponen, Joona, Hupa, Leena, Hupa, Mikko, Ferraris, Monica

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WAVEGUIDE COMBINER WITH STACKED PLATES von ALASAARELA, Tapani Matias, SHPAK, Maksim, KOPONEN, Joona

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