Dr. Sylvia Jetschke Profile

Dr. Sylvia Jetschke

Dr. at Leibniz-Institut für Photonische Technologien eV

SPIE Involvement:

Author

Area of Expertise:

Fiber Optics , Fiber Lasers , Material Research , Fiber Design

Websites:

Company Website

Publications (20)

SPIE Journal Paper | 3 June 2014 Open Access

Length distributed measurement of temperature effects in Yb-doped fibers during pumping

Martin Leich, Julia Fiebrandt, Anka Schwuchow, Sylvia Jetschke, Sonja Unger, Matthias Jäger, Manfred Rothhardt, Hartmut Bartelt

OE, Vol. 53, Issue 06, 066101, (June 2014) https://doi.org/10.1117/12.10.1117/1.OE.53.6.066101

KEYWORDS: Optical fibers, Fiber Bragg gratings, Temperature metrology, Ytterbium, Absorption, Ultraviolet radiation, Cerium, Fiber lasers, Optical pumping, Hydrogen

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Proceedings Article | 7 March 2014 Paper

Optimization of laser fibers for high pump light absorption

Jörg Bierlich, Jens Kobelke, Sylvia Jetschke, Stephan Grimm, Sonja Unger, Kay Schuster

Proceedings Volume 8961, 896123 (2014) https://doi.org/10.1117/12.2039231

KEYWORDS: Optical fibers, Refractive index, Silica, Signal attenuation, Glasses, Laser applications, Fiber lasers, Refraction, Laser glasses, Absorption

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Proceedings Article | 7 March 2014 Paper

Investigation of a large core 976nm Yb fiber laser for high brightness fiber-based pump sources

Martin Leich, Matthias Jäger, Stephan Grimm, Jan Dellith, Denny Hoh, Sylvia Jetschke, Martin Becker, Alexander Hartung, Tina Eschrich, Jens Kobelke, Hartmut Bartelt

Proceedings Volume 8961, 89610Z (2014) https://doi.org/10.1117/12.2039169

KEYWORDS: Refractive index, Resonators, Fiber Bragg gratings, Glasses, Fiber lasers, Semiconductor lasers, Laser resonators, Ytterbium, Diodes, Fiber couplers

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Proceedings Article | 11 March 2013 Paper

Optical properties of cerium-codoped high power laser fibers

S. Unger, A. Schwuchow, S. Jetschke, S. Grimm, A. Scheffel, J. Kirchhof

Proceedings Volume 8621, 862116 (2013) https://doi.org/10.1117/12.2002399

KEYWORDS: Optical fibers, Refractive index, Ultraviolet radiation, Luminescence, Hydrogen, Doping, Ytterbium, Aluminum, Cerium, Absorption

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Proceedings Article | 11 March 2013 Paper

Study of lanthanum aluminum silicate glasses for passive and active optical fibers

K. Schuster, D. Litzkendorf, S. Grimm, J. Kobelke, A. Schwuchow, A. Ludwig, M. Leich, S. Jetschke, J. Dellith, J.-L. Auguste, S. Leparmentier, G. Humbert, G. Werner

Proceedings Volume 8621, 86210Q (2013) https://doi.org/10.1117/12.2004011

KEYWORDS: Silica, Cladding, Glasses, Structured optical fibers, Fiber lasers, Ytterbium, Aluminum, Supercontinuum generation, Lanthanum, Absorption

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Proceedings Article | 6 March 2013 Paper

Equivalent step-index model of multifilament core fibers

Ron Spittel, Adrian Lorenz, Sylvia Jetschke, Matthias Jäger, Hartmut Bartelt

Proceedings Volume 8627, 862714 (2013) https://doi.org/10.1117/12.2001879

KEYWORDS: Optical fibers, Step index fibers, Refractive index, Waveguides, Cladding, Dispersion, Electroluminescence, Finite element methods, Microsoft Foundation Class Library, Information operations

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Proceedings Article | 11 February 2011 Paper

Fibers and fiber-optic components for high-power fiber lasers

H. Zimer, M. Kozak, A. Liem, F. Flohrer, F. Doerfel, P. Riedel, S. Linke, R. Horley, F. Ghiringhelli, S. Desmoulins, M. Zervas, J. Kirchhof, S. Unger, S. Jetschke, T. Peschel, T. Schreiber

Proceedings Volume 7914, 791414 (2011) https://doi.org/10.1117/12.879622

KEYWORDS: Optical fibers, Refractive index, Cladding, Glasses, Single mode fibers, Fiber lasers, Ytterbium, Aluminum, Phosphorus, Absorption

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Proceedings Article | 26 February 2010 Paper

The influence of Yb2+ ions on optical properties and power stability of ytterbium-doped laser fibers

J. Kirchhof, S. Unger, A. Schwuchow, S. Jetschke, V. Reichel, M. Leich, A. Scheffel

Proceedings Volume 7598, 75980B (2010) https://doi.org/10.1117/12.841808

KEYWORDS: Optical fibers, Silica, Glasses, Ultraviolet radiation, Luminescence, Ions, Doping, Ytterbium, Aluminum, Absorption

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Proceedings Article | 17 February 2010 Paper

Temperature dependence of photodarkening kinetics

M. Leich, S. Jetschke, S. Unger, J. Kirchhof

Proceedings Volume 7580, 758009 (2010) https://doi.org/10.1117/12.845846

KEYWORDS: Glasses, Annealing, Fiber lasers, Time metrology, Ytterbium, Thermal effects, Color centers, Thermal modeling, Temperature metrology, Absorption

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Proceedings Article | 19 February 2009 Paper

Characterization of photodarkening processes in Yb doped fibers

S. Jetschke, U. Röpke, S. Unger, J. Kirchhof

Proceedings Volume 7195, 71952B (2009) https://doi.org/10.1117/12.807544

KEYWORDS: Optical fibers, Switching, Cladding, Ions, Manufacturing, Fiber lasers, Time metrology, Ytterbium, Transmittance, Color centers

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Proceedings Article | 19 February 2009 Paper

Yb-doped silica-based laser fibers: correlation of photodarkening kinetics and related optical properties with the glass composition

J. Kirchhof, S. Unger, S. Jetschke, A. Schwuchow, M. Leich, V. Reichel

Proceedings Volume 7195, 71950S (2009) https://doi.org/10.1117/12.808918

KEYWORDS: Optical fibers, Optical properties, Glasses, Ultraviolet radiation, Luminescence, Ions, Oxygen, Ytterbium, Aluminum, Absorption

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Proceedings Article | 7 February 2009 Paper

Influence of aluminum-phosphorus codoping on optical properties of ytterbium-doped laser fibers

S. Unger, A. Schwuchow, S. Jetschke, V. Reichel, M. Leich, A. Scheffel, J. Kirchhof

Proceedings Volume 7212, 72121B (2009) https://doi.org/10.1117/12.808940

KEYWORDS: Optical fibers, Refractive index, Optical properties, Glasses, Luminescence, Fiber lasers, Ytterbium, Aluminum, Phosphorus, Absorption

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Proceedings Article | 22 February 2008 Paper

Photodarkening in Yb-doped silica fibers: influence of the atmosphere during preform collapsing

S. Jetschke, S. Unger, A. Schwuchow, M. Leich, V. Reichel, J. Kirchhof

Proceedings Volume 6873, 68731G (2008) https://doi.org/10.1117/12.776638

KEYWORDS: Optical fibers, Near infrared, Cladding, Glasses, Luminescence, Ions, Fiber lasers, Oxygen, Ytterbium, Absorption

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Proceedings Article | 5 February 2008 Paper

Optical properties of Yb-doped laser fibers in dependence on codopants and preparation conditions

S. Unger, A. Schwuchow, S. Jetschke, V. Reichel, A. Scheffel, J. Kirchhof

Proceedings Volume 6890, 689016 (2008) https://doi.org/10.1117/12.762967

KEYWORDS: Optical fibers, Glasses, Ultraviolet radiation, Luminescence, Ions, Fiber lasers, Ytterbium, Aluminum, Phosphorus, Absorption

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Proceedings Article | 23 September 2005 Paper

Materials and technologies for microstructured high power laser fibers

J. Kirchhof, S. Unger, J. Kobelke, K. Schuster, K. Mörl, S. Jetschke, A. Schwuchow

Proceedings Volume 5951, 595107 (2005) https://doi.org/10.1117/12.622667

KEYWORDS: Optical fibers, Refractive index, Cladding, Doping, Fiber lasers, Solids, Ytterbium, Aluminum, Boron, Absorption

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Proceedings Article | 22 April 2005 Paper

Nd:Yb-codoped silica fibers for high power fiber lasers: fluorescence and laser properties

Sylvia Jetschke, Volker Reichel, Klaus Moerl, Sonja Unger, Ulrich Roepke, Hans-Rainer Mueller

Proceedings Volume 5709, (2005) https://doi.org/10.1117/12.593408

KEYWORDS: Optical fibers, High power lasers, Luminescence, Energy transfer, Ions, Fiber lasers, Ytterbium, High power fiber lasers, Neodymium, Absorption

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Proceedings Article | 4 April 2005 Paper

Dopant interactions in high-power laser fibers

Johannes Kirchhof, Sonja Unger, Anka Schwuchow, Sylvia Jetschke, Bruno Knappe

Proceedings Volume 5723, (2005) https://doi.org/10.1117/12.590021

KEYWORDS: Optical fibers, Refractive index, Silica, Glasses, Luminescence, Germanium, Ytterbium, Aluminum, Neodymium, Absorption

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Proceedings Article | 23 March 2005 Paper

Fiber-laser power scaling beyond the 1-kilowatt level by Nd:Yb co-doping

Volker Reichel, Klaus Moerl, Sonja Unger, Sylvia Jetschke, Hans-Rainer Mueller, Johannes Kirchhof, Thomas Sandrock, Alexander Harschack, Andreas Liem, Jens Limpert, Holger Zellmer, Andreas Tuennermann

Proceedings Volume 5777, (2005) https://doi.org/10.1117/12.611066

KEYWORDS: Optical fibers, Silica, Energy transfer, Materials processing, Laser marking, Fiber lasers, Semiconductor lasers, Ytterbium, Neodymium, Absorption

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