Dr. Andreas Voss Profile

Dr. Andreas Voss

Head of Laser Development and Laseroptics at Otto-von-Guericke Univ Magdeburg

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Author

Publications (31)

Proceedings Article | 26 March 2015 Paper

Ultrafast thin-disk multipass amplifier with 1.4 kW average power and 4.7 mJ pulse energy at 1030 nm converted to 820 W and 2.7 mJ at 515 nm

Jan-Philipp Negel, André Löscher, Andreas Voss, Dominik Bauer, Dirk Sutter, Alexander Killi, Marwan Abdou Ahmed, Thomas Graf

Proceedings Volume 9342, 93420V (2015) https://doi.org/10.1117/12.2079007

KEYWORDS: Mirrors, Optical amplifiers, Amplifiers, Picosecond phenomena, Head, Infrared telescopes, Ultrafast lasers, Ultraviolet radiation, Ultrafast phenomena, Crystals

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Proceedings Article | 20 February 2015 Paper

First demonstration of passively mode-locked Yb:CaF2 thin-disk laser

Benjamin Dannecker, Xavier Délen, Katrin Wentsch, Birgit Weichelt, Clemens Hönninger, Andreas Voss, Marwan Abdou Ahmed, Thomas Graf

Proceedings Volume 9342, 93420W (2015) https://doi.org/10.1117/12.2079086

KEYWORDS: Mode locking, Pulsed laser operation, Resonators, Modulation, Laser crystals, Laser applications, Mirrors, Q switches, Solitons, Crystals

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Proceedings Article | 20 February 2015 Paper

Thin-disk laser multi-pass amplifier

K. Schuhmann, M. Ahmed, A. Antognini, T. Graf, T. Hänsch, K. Kirch, F. Kottmann, R. Pohl, D. Taqqu, A. Voss, B. Weichelt

Proceedings Volume 9342, 93420U (2015) https://doi.org/10.1117/12.2078858

KEYWORDS: Optical amplifiers, Mirrors, Resonators, Beam propagation method, Helium, Laser development, Pulsed laser operation, Muons, Solids, Reflectors

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Proceedings Article | 1 May 2014 Paper

Thin-disk multipass amplifier for ultrashort laser pulses with kilowatt average output power and mJ pulse energies

Jan-Philipp Negel, Andreas Voss, Marwan Abdou Ahmed, Dominik Bauer, Dirk Sutter, Alexander Killi, Thomas Graf

Proceedings Volume 9135, 91351D (2014) https://doi.org/10.1117/12.2053964

KEYWORDS: Mirrors, Optical amplifiers, Ultrafast phenomena, Picosecond phenomena, Amplifiers, Crystals, Polarization, Pulsed laser operation, Laser crystals, Beam quality measurement

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Proceedings Article | 1 May 2014 Paper

Investigation on thermal behavior of resonant waveguide-grating mirrors in an Yb:YAG thin-disk laser

Martin Rumpel, Benjamin Dannecker, Andreas Voss, Michael Möller, Christian Moormann, Thomas Graf, Marwan Abdou Ahmed

Proceedings Volume 9135, 913519 (2014) https://doi.org/10.1117/12.2053885

KEYWORDS: Waveguides, Mirrors, Reflectivity, Polarization, Silica, Optical design, Reflectors, Laser resonators, Absorption, Laser damage threshold

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Proceedings Article | 16 May 2012 Paper

Grating waveguide structures for intracavity generation of beams with azimuthal polarization in an Yb:YAG thin-disk laser

Martin Rumpel, Marwan Abdou Ahmed, Andreas Voss, Thomas Graf

Proceedings Volume 8433, 84331A (2012) https://doi.org/10.1117/12.922228

KEYWORDS: Polarization, Dielectric polarization, Waveguides, Reflectivity, Diffraction gratings, Mirrors, Reflection, Coating, Optical design, Resonators

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Proceedings Article | 16 May 2012 Paper

High-efficiency wavelength and polarization selective grating-waveguide structures for Yb:YAG thin-disk lasers

Martin Rumpel, Marwan Abdou Ahmed, Andreas Voss, Thomas Graf

Proceedings Volume 8433, 84331D (2012) https://doi.org/10.1117/12.922233

KEYWORDS: Diffraction, Polarization, Resonators, Diffraction gratings, Etching, Waveguides, Mirrors, Wavelength tuning, Reflectivity, Silica

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Proceedings Article | 16 February 2012 Paper

800 W cw nearly diffraction-limited beam delivery through a 100 m long multi-mode fiber

Armin Austerschulte, Moritz Vogel, Thomas Rataj, Jan-Philipp Negel, Andreas Voss, Marwan Abdou Ahmed, Thomas Graf

Proceedings Volume 8237, 82370I (2012) https://doi.org/10.1117/12.907782

KEYWORDS: Fiber lasers, Oscillators, Mirrors, Cladding, Continuous wave operation, Beam delivery, Refractive index, Multimode fibers, Laser systems engineering

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Proceedings Article | 15 February 2012 Paper

Yb:CaGdAlO4 thin-disk

S. Ricaud, A. Jaffres, P. Loiseau, B. Viana, B. Weichelt, M. Abdou-Ahmed, A. Voss, T. Graf, D. Rytz, M. Delaigue, E. Mottay, P. Georges, F. Druon

Proceedings Volume 8235, 82350Q (2012) https://doi.org/10.1117/12.907934

KEYWORDS: Crystals, Laser crystals, Absorption, Luminescence, Q switching, Oscillators, Laser scattering, Quantum efficiency, Q switched lasers, Semiconductor lasers

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Proceedings Article | 7 February 2012 Paper

Self-compensation of thermal lensing in optics for high-brightness solid-state lasers

Stefan Piehler, Christiane Thiel, Andreas Voss, Marwan Abdou Ahmed, Thomas Graf

Proceedings Volume 8239, 82390Z (2012) https://doi.org/10.1117/12.905879

KEYWORDS: Sapphire, Thermography, Adaptive optics, Silica, Contamination, Thermal effects, Chemical elements, Temperature metrology, Optical components, Absorption

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Proceedings Article | 7 February 2012 Paper

Controlling the thermally induced focal shift in laser processing heads

Jan-Philipp Negel, Felix Abt, David Blázquez-Sánchez, Armin Austerschulte, Margit Hafner, Thomas Liebig, Philipp von Strobl-Albeg, Rudolf Weber, Marwan Abdou Ahmed, Andreas Voss, Thomas Graf

Proceedings Volume 8239, 823911 (2012) https://doi.org/10.1117/12.906634

KEYWORDS: Laser processing, Optical testing, Cameras, Optical fibers, Head, Control systems, Thermography, Capillaries, Laser welding, Beam splitters

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Proceedings Article | 7 February 2012 Paper

Active mirrors for intra-cavity compensation of the aspherical thermal lens in thin-disk lasers

Stefan Piehler, Birgit Weichelt, Andreas Voss, Marwan Abdou Ahmed, Thomas Graf

Proceedings Volume 8236, 82360J (2012) https://doi.org/10.1117/12.905876

KEYWORDS: Mirrors, Deformable mirrors, Laser crystals, Resonators, Disk lasers, Wavefronts, High power lasers, Diffraction, Thermography, Laser resonators

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Proceedings Article | 7 February 2012 Paper

Continuous single pulse resolved measurement of beam diameters at 200 kHz using optical transmission filters

Johannes Fruechtenicht, Andreas Letsch, Andreas Voss, Marwan Abdou Ahmed, Thomas Graf

Proceedings Volume 8236, 82360F (2012) https://doi.org/10.1117/12.906639

KEYWORDS: Optical filters, Cameras, Optical testing, Imaging systems, Measurement devices, Analog electronics, Sensors, Transmittance, Spatial filters, Data storage

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Proceedings Article | 4 October 2011 Paper

Coatings for thin-disk laser systems

St. Günster, D. Ristau, B. Weichelt, A. Voss

Proceedings Volume 8168, 81680J (2011) https://doi.org/10.1117/12.897000

KEYWORDS: Optical coatings, Dielectrics, Metals, Ion beams, Sputter deposition, Laser systems engineering, Deposition processes, Process control, Disk lasers, Mirrors

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Proceedings Article | 19 May 2010 Paper

440 W polarized single-transverse-mode CW fiber amplifier with thin disk laser seed source

A. Popp, Chr. Jocher, M. Abdou-Ahmed, A. Voss, T. Graf

Proceedings Volume 7721, 77210Q (2010) https://doi.org/10.1117/12.854294

KEYWORDS: Fiber amplifiers, Optical amplifiers, Fiber lasers, Disk lasers, Polarization, Oscillators, Absorption, Cladding, High power fiber amplifiers, Continuous wave operation

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Proceedings Article | 19 May 2010 Paper

Improving the brightness of a multi-kW thin disk laser with a single disk by an aspherical phase-front correction

Birgit Weichelt, David Blazquez-Sanchez, Armin Austerschulte, Andreas Voss, Thomas Graf, Alexander Killi

Proceedings Volume 7721, 77210M (2010) https://doi.org/10.1117/12.854549

KEYWORDS: Mirrors, Crystals, Disk lasers, Laser crystals, Resonators, High power lasers, Helium, Refractive index, Laser resonators, Adaptive optics

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Proceedings Article | 19 May 2010 Paper

Multicore fibers for high-brilliance laser beam delivery

Moritz Vogel, Thomas Rataj, Armin Austerschulte, Andreas Popp, Marwan Abdou-Ahmed, Thomas Liebig, Andreas Voss, Thomas Graf

Proceedings Volume 7721, 772104 (2010) https://doi.org/10.1117/12.854528

KEYWORDS: Optical fibers, Fiber lasers, Step index fibers, Beam delivery, Raman spectroscopy, Cladding, Diffraction, Polarization, Refractive index, Optical testing

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Proceedings Article | 18 May 2010 Paper

Thin-disk-laser-pumped ytterbium-doped fiber laser with an output power in the kW range

A. Popp, A. Voss, Th. Graf, S. Unger, J. Kirchhof, H. Bartelt

Proceedings Volume 7721, 772102 (2010) https://doi.org/10.1117/12.854321

KEYWORDS: Fiber lasers, Cladding, Absorption, Mirrors, Disk lasers, Coating, Optical simulations, Ions, Active optics, Laser sources

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Proceedings Article | 22 April 2009 Paper

Radially polarized high-power lasers

Marwan Abdou Ahmed, Andreas Voß, Moritz Vogel, Armin Austerschulte, Joachim Schulz, Volker Metsch, Tobias Moser, Thomas Graf

Proceedings Volume 7131, 71311I (2009) https://doi.org/10.1117/12.816818

KEYWORDS: Mirrors, Polarization, Carbon dioxide lasers, Dielectric polarization, Laser cutting, Reflectivity, High power lasers, Materials processing, Multilayers, Laser drilling

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Proceedings Article | 22 April 2008 Paper

Cw-operation of an Ytterbium doped 19-core fiber laser

A. Popp, M. Abdou Ahmed, D. Kauffmann, A. Voss, T. Graf

Proceedings Volume 6998, 699804 (2008) https://doi.org/10.1117/12.780015

KEYWORDS: Fiber lasers, Ytterbium, Near field, Waveguides, Multimode fibers, Mirrors, High power fiber lasers, Surgery, Pulsed laser operation, Raman scattering

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Proceedings Article | 16 April 2008 Paper

Investigation of bending effects on evanescent-field coupled waveguides designed for high-power fundamental-mode delivery systems

Daniela Kauffmann, Marwan Abdou Ahmed, Florian Kizhakeparampil, Thomas Rataj, Moritz Vogel, Andreas Popp, Andreas Voß, Thomas Graf

Proceedings Volume 6998, 69980M (2008) https://doi.org/10.1117/12.781062

KEYWORDS: Waveguides, Near field, Cladding, Beam delivery, Multimode fibers, Refractive index, CCD cameras, Materials processing, Raman scattering, Finite element methods

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Proceedings Article | 16 April 2008 Paper

Full vectorial finite-element simulations of Bragg fibers for single-mode beam delivery systems

Moritz Vogel, Marwan Abdou-Ahmed, Andreas Voß, Daniela Kauffmann, Thomas Graf

Proceedings Volume 6998, 69980K (2008) https://doi.org/10.1117/12.780425

KEYWORDS: Optical fibers, Cladding, Beam delivery, Waveguides, Refractive index, Finite element methods, Optical simulations, Glasses, Wave propagation, Photonic crystal fibers

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Proceedings Article | 16 April 2008 Paper

Radially polarized Yb:YAG thin-disc laser

Marwan Abdou Ahmed, Moritz Vogel, Armin Austerschulte, Frank Sterns, Andreas Voss, Thomas Schoder, Monica Ubl, Marcus Pritschow, Thomas Graf

Proceedings Volume 6998, 69980H (2008) https://doi.org/10.1117/12.780230

KEYWORDS: Mirrors, Dielectric polarization, Polarization, Multilayers, Reflectivity, Silica, Etching, Laser resonators, Carbon dioxide lasers, Dielectrics

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Proceedings Article | 14 February 2008 Paper

Advanced pulsed thin disk laser sources

Christian Stolzenburg, Andreas Voss, Thomas Graf, Mikhail Larionov, Adolf Giesen

Proceedings Volume 6871, 68710H (2008) https://doi.org/10.1117/12.775151

KEYWORDS: Disk lasers, Crystals, Optical amplifiers, Picosecond phenomena, Pulsed laser operation, Amplifiers, Switching, Q switched lasers, Mirrors, Laser crystals

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Proceedings Article | 26 April 2007 Paper

Intracavity beam shaping for high power thin-disk lasers

Andreas Voss, Marwan Abdou-Ahmed, Christof Neugebauer, Adolf Giesen, Thomas Graf

Proceedings Volume 6346, 63461U (2007) https://doi.org/10.1117/12.738858

KEYWORDS: Mirrors, Dielectric polarization, Resonators, Reflectivity, Wavefronts, High power lasers, Polarization, Crystals, Laser resonators, Laser crystals

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Proceedings Article | 1 November 1997 Paper

Multiwatt diode-pumped thin-disc Yb:YAG laser tunable between 1016 and 1062 nm

Martin Karszewski, Uwe Brauch, Karsten Contag, Adolf Giesen, Ingo Johannsen, Christian Stewen, Andreas Voss

Proceedings Volume 3176, (1997) https://doi.org/10.1117/12.293472

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Proceedings Article | 18 August 1997 Paper

Near-diffraction-limited diode-pumped thin-disk Nd:YVO4 laser

Ralph Koch, Guenter Hollemann, R. Clemens, Hermann Voelckel, Adolf Giesen, Andreas Voss

Proceedings Volume 3097, (1997) https://doi.org/10.1117/12.281127

KEYWORDS: Neodymium lasers, Semiconductor lasers, Disk lasers, Mirrors, Diodes, Fiber coupled lasers, Nd:YAG lasers, Absorption, Resonators, Crystals

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Proceedings Article | 2 May 1997 Paper

Simulations of the lasing properties of a thin-disk laser combining high-output powers with good beam quality

Karsten Contag, Uwe Brauch, Steffen Erhard, Adolf Giesen, Ingo Johannsen, Martin Karszewski, Christian Stewen, Andreas Voss

Proceedings Volume 2989, (1997) https://doi.org/10.1117/12.273678

KEYWORDS: Crystals, Laser crystals, Resonators, Absorption, Disk lasers, Mirrors, Photons, Diodes, Laser resonators, Optical simulations

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Proceedings Article | 31 March 1997 Paper

Multihundred-watt diode-pumped Yb:YAG thin disc laser

Karsten Contag, Uwe Brauch, Adolf Giesen, Ingo Johannsen, Martin Karszewski, Ulrich Schiegg, Christian Stewen, Andreas Voss

Proceedings Volume 2986, (1997) https://doi.org/10.1117/12.269981

KEYWORDS: Diodes, Crystals, Resonators, Semiconductor lasers, Laser crystals, Absorption, Output couplers, Fiber coupled lasers, Mirrors, Temperature metrology

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Proceedings Article | 20 November 1996 Paper

Calibrated CO2-laser power calorimeter

Wilfried Plass, Andreas Voss, N. Schmid, Adolf Giesen

Proceedings Volume 2870, (1996) https://doi.org/10.1117/12.259911

KEYWORDS: Sensors, Head, Temperature metrology, Calibration, Carbon dioxide lasers, Absorption, Power meters, Integrating spheres, High power lasers, Reflectivity

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Proceedings Article | 6 June 1995 Paper

Efficient high-power-diode-pumped thin-disk Yb:YAG-laser

Andreas Voss, Uwe Brauch, Klaus Wittig, Adolf Giesen

Proceedings Volume 2426, (1995) https://doi.org/10.1117/12.211231

KEYWORDS: Crystals, Semiconductor lasers, Laser crystals, Resonators, Absorption, Distortion, High power lasers, Nd:YAG lasers, Mirrors, Disk lasers

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Showing 5 of 31 publications

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