Role of Ce in Yb/Al laser fibers: prevention of photodarkening and thermal effects von Jetschke, Sylvia, Unger, Sonja, Schwuchow, Anka, Leich, Martin, Jäger, Matthias

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(INVITED)Tm:YAG crystal-derived double-clad fibers – A hybrid approach towards high gain and high efficiency Tm lasers von Leich, Martin, Müller, Robert, Unger, Sonja, Schwuchow, Anka, Dellith, Jan, Lorenz, Adrian, Kobelke, Jens, Jäger, Matthias

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Efficient Yb laser fibers with low photodarkening by optimization of the core composition von Jetschke, Sylvia, Unger, Sonja, Schwuchow, Anka, Leich, Martin, Kirchhof, Johannes

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Germania and Alumina Dopant Diffusion and Viscous Flow Effects at Preparation of Doped Optical Fibers von Kobelke, Jens, Schuster, Kay, Bierlich, Jorg, Unger, Sonja, Schwuchow, Anka, Elsmann, Tino, Dellith, Jan, Aichele, Claudia, Fatobene Ando, Ron, Bartelt, Hartmut

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Viscosity of fluorine-doped silica glasses von Kirchhof, Johannes, Unger, Sonja, Dellith, Jan

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Advanced attenuation and fluorescence measurement methods in the investigation of photodarkening and related properties of ytterbium-doped fibers von Schwuchow, Anka, Unger, Sonja, Jetschke, Sylvia, Kirchhof, Johannes

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Temperature influence on the photodarkening kinetics in Yb-doped silica fibers von LEICH, Martin, JETSCHKE, Sylvia, UNGER, Sonja, KIRCHHOF, Johannes

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Multicore fiber with integrated fiber Bragg gratings for background-free Raman sensing von Dochow, Sebastian, Latka, Ines, Becker, Martin, Spittel, Ron, Kobelke, Jens, Schuster, Kay, Graf, Albrecht, Brückner, Sven, Unger, Sonja, Rothhardt, Manfred, Dietzek, Benjamin, Krafft, Christoph, Popp, Jürgen

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Non-isothermal bleaching of photodarkened Yb-doped fibers von Leich, Martin, Röpke, Ulrich, Jetschke, Sylvia, Unger, Sonja, Reichel, Volker, Kirchhof, Johannes

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Two-step-model of photosensitivity in cerium-doped fibers von Elsmann, Tino, Becker, Martin, Olusoji, Olugbenga, Unger, Sonja, Wondraczek, Katrin, Aichele, Claudia, Lindner, Florian, Schwuchow, Anka, Nold, Johannes, Rothhardt, Manfred

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Taper Device for Tolerant Coupling of Free-Space Optical Beams Into Single-Mode Fiber von Weinert, Carl M., Hiegemann, Stephan, Perlot, Nicolas, Rohde, Michael, Hoh, Denny, Unger, Sonja

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Measurement of higher-order mode propagation losses in effectively single mode fibers von Schulze, Christian, Flamm, Daniel, Unger, Sonja, Schröter, Siegmund, Duparré, Michael

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High-Brightness Incoherent Combination of Fiber Lasers in 7 × 1 Fiber Couplers at Average Powers > 5 kW von Jager, Matthias, Plotner, Marco, Eschrich, Tina, de Vries, Oliver, Kobelke, Jens, Schreiber, Thomas, Unger, Sonja, Eberhardt, Ramona, Bartelt, Hartmut, Tunnermann, Andreas

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Optical Phase Refractometer Based on Post-Processed Interferometric Tip Sensors von Ferreira, Marta S., Bierlich, Jorg, Unger, Sonja, Schuster, Kay, Santos, Jose L., Frazao, Orlando

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Multicorelike guidance in a triangular-core hollow optical fiber and spectral evolution of its eigenmode degeneracy von Lee, Sejin, Ha, Woosung, Kobelke, Jens, Schuster, Kay, Unger, Sonja, Oh, Kyunghwan

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Single-pulse fiber Bragg gratings and specific coatings for use at elevated temperatures von Bartelt, Hartmut, Schuster, Kay, Unger, Sonja, Chojetzki, Christoph, Rothhardt, Manfred, Latka, Ines

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Diffusion and Interface Effects during Preparation of All-Solid Microstructured Fibers von Jens, Kobelke, Jörg, Bierlich, Katrin, Wondraczek, Claudia, Aichele, Zhiwen, Pan, Sonja, Unger, Kay, Schuster, Hartmut, Bartelt

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Diffusion in binary TiO_2-SiO_2 glasses von Kirchhof, Johannes, Unger, Sonja, Dellith, Jan, Scheffel, Andy

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Ytterbium-Doping Related Stresses in Preforms for High-Power Fiber Lasers von Just, F., Muller, H.-R., Unger, S., Kirchhof, J., Reichel, V., Bartelt, H.

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Polarization mode preservation in elliptical index tailored optical fibersfor apertureless scanning near-field optical microscopy von Zeh, Christoph, Spittel, Ron, Unger, Sonja, Opitz, Jörg, Köhler, Bernd, Kirchhof, Johannes, Bartelt, Hartmut, Eng, Lukas M.

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