Dr. Agnieszka Pietrzak Profile

Dr. Agnieszka Pietrzak

at JENOPTIK Diode Lab GmbH

SPIE Involvement:

Author

Publications (18)

Proceedings Article | 14 March 2023 Presentation + Paper

760nm laser bars for aesthetic applications

A. Pietrzak, M. Zorn, R. Huelsewede, J. Meusel, S. Seidel

Proceedings Volume 12403, 124030F (2023) https://doi.org/10.1117/12.2648214

KEYWORDS: Laser bars, Quantum wells, Laser development, Semiconductor lasers, Pulsed laser operation, Surgery

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Proceedings Article | 4 March 2019 Presentation + Paper

Development of highly efficient laser diodes emitting around 1060nm for medical and industrial applications

A. Pietrzak, M. Zorn, R. Huelsewede, J. Meusel, J. Sebastian

Proceedings Volume 10900, 109000K (2019) https://doi.org/10.1117/12.2509257

KEYWORDS: Laser development, Semiconductor lasers, Pulsed laser operation, Laser applications, Continuous wave operation, High power lasers, Temperature metrology

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Proceedings Article | 19 February 2018 Presentation + Paper

Development of highly efficient laser bars emitting at around 1060 nm for medical applications

Agnieszka Pietrzak, Martin Zorn, Jens Meusel, Ralf Huelsewede, Juergen Sebastian

Proceedings Volume 10514, 105140D (2018) https://doi.org/10.1117/12.2287112

KEYWORDS: Pulsed laser operation, Laser development, Surgery, Semiconductor lasers, Continuous wave operation

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Proceedings Article | 22 February 2017 Presentation + Paper

Development of highly-efficient laser diodes emitting at around 1060nm

A. Pietrzak, R. Huelsewede, M. Zorn, J. Meusel, V. Loyo-Maldonado, J. Sebastian

Proceedings Volume 10086, 100860J (2017) https://doi.org/10.1117/12.2252348

KEYWORDS: High power lasers, Laser development, Semiconductor lasers, Reliability, Diodes, Continuous wave operation, Structural design, Temperature metrology, Pulsed laser operation, Laser applications, Surgery

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Proceedings Article | 4 March 2016 Paper

High-power single emitters and low fill factor bars emitting at 808 nm

A. Pietrzak, R. Hülsewede, M. Zorn, J. Meusel, J. Sebastian

Proceedings Volume 9733, 97330R (2016) https://doi.org/10.1117/12.2212709

KEYWORDS: High power lasers, Semiconductor lasers, Resonators, Waveguides, Laser dentistry, Optical testing, Temperature metrology, Quantum wells, Continuous wave operation, Laser development

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Proceedings Article | 12 May 2015 Paper

Reliable pump sources for high-energy class lasers

Martin Wölz, Agnieszka Pietrzak, Alex Kindsvater, Jürgen Wolf, Jens Meusel, Ralf Hülsewede, Jürgen Sebastian

Proceedings Volume 9513, 95130E (2015) https://doi.org/10.1117/12.2178020

KEYWORDS: Semiconductor lasers, Pulsed laser operation, Diodes, Reliability, Resonators, Laser applications, Laser systems engineering, Electro optics, Ceramics, Packaging

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Proceedings Article | 13 March 2015 Paper

Progress in reliable single emitters and laser bars for efficient CW-operation in the near-infrared emission range

Martin Zorn, Ralf Huelsewede, Agnieszka Pietrzak, Jens Meusel, Jürgen Sebastian

Proceedings Volume 9348, 93480K (2015) https://doi.org/10.1117/12.2079001

KEYWORDS: Resonators, Laser applications, Laser resonators, Semiconductor lasers, Laser processing, Fiber lasers, Materials processing, Reliability, Fiber couplers, Laser development

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Proceedings Article | 13 March 2015 Paper

Heading to 1 kW levels with laser bars of high-efficiency and emission wavelength around 880 nm and 940 nm

A. Pietrzak, M. Woelz, Ralf Huelsewede, Martin Zorn, Olaf Hirsekorn, J. Meusel, A. Kindsvater, Matthias Schroeder, V. Bluemel, J. Sebastian

Proceedings Volume 9348, 93480E (2015) https://doi.org/10.1117/12.2078642

KEYWORDS: Pulsed laser operation, Semiconductor lasers, Resistance, Optical testing, High power lasers, Reliability, Laser crystals, Temperature metrology, Electro optics, Laser applications

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Proceedings Article | 13 March 2015 Paper

Progress in high-energy-class diode laser pump sources

P. Crump, C. Frevert, Frank Bugge, S. Knigge, G. Erbert, G. Tränkle, A. Pietrzak, R. Hüslewede, Martin Zorn, Jürgen Sebastian, J. Lotz, W. Fassbender, Joerg Neukum, Joerg Körner, J. Hein, T. Töpfer

Proceedings Volume 9348, 93480U (2015) https://doi.org/10.1117/12.2077599

KEYWORDS: Semiconductor lasers, Copper, Resonators, Resistance, Solid state lasers, Packaging, Collimation, Laser systems engineering, Waveguides, Aluminum

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Proceedings Article | 20 February 2015 Paper

760nm: a new laser diode wavelength for hair removal modules

Martin Wölz, Martin Zorn, Agnieszka Pietrzak, Alex Kindsvater, Jens Meusel, Ralf Hülsewede, Jürgen Sebastian

Proceedings Volume 9346, 934608 (2015) https://doi.org/10.1117/12.2077445

KEYWORDS: Semiconductor lasers, Pulsed laser operation, Continuous wave operation, Skin, Diodes, Resistance, Alexandrite lasers, Temperature metrology, Thermography, Resonators

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Proceedings Article | 3 February 2015 Paper

Research on 9xx nm diode laser for direct and pumping applications

J. Sebastian, R. Hülsewede, A. Pietrzak, M. Zorn, M. Wölz, J. Meusel, M. Schröder, Th. Wittschirk

Proceedings Volume 9255, 92550Y (2015) https://doi.org/10.1117/12.2072840

KEYWORDS: Heatsinks, Semiconductor lasers, Near field optics, Reliability, Resistance, High power lasers, Resonators, Laser development, Absorption, Materials processing

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Proceedings Article | 7 March 2014 Paper

New highly efficient laser bars and laser arrays for 8xx-10xx nm pumping applications

A. Pietrzak, R. Huelsewede, M. Zorn, O. Hirsekorn, J. Sebastian, J. Meusel, V. Bluemel, P. Hennig

Proceedings Volume 8965, 89650T (2014) https://doi.org/10.1117/12.2036917

KEYWORDS: Heatsinks, Laser applications, Semiconductor lasers, Laser processing, Continuous wave operation, Resistance, High power lasers, Laser welding, Temperature metrology, Fiber lasers

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Proceedings Article | 15 October 2013 Paper

Progress in efficiency-optimized high-power diode lasers

A. Pietrzak, R. Hülsewede, M. Zorn, O. Hirsekorn, J. Sebastian, J. Meusel, P. Hennig, P. Crump, H. Wenzel, S. Knigge, A. Maaßdorf, F. Bugge, G. Erbert

Proceedings Volume 8898, 889807 (2013) https://doi.org/10.1117/12.2030109

KEYWORDS: Semiconductor lasers, Heatsinks, Resistance, Continuous wave operation, High power lasers, High power diode lasers, Laser development, Laser applications, Waveguides, Active optics

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Proceedings Article | 26 February 2013 Paper

Laser bars and single emitters in the 9xx emission range optimized for high output powers at reduced far field angles

A. Pietrzak, R. Hülsewede, M. Zorn, O. Hirsekorn, J. Sebastian, J. Meusel, P. Hennig

Proceedings Volume 8605, 86050C (2013) https://doi.org/10.1117/12.2002054

KEYWORDS: Laser processing, Semiconductor lasers, Laser applications, Laser development, Resistance, Optical testing, Electro optics, High power lasers, Temperature metrology, Polarization

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Proceedings Article | 18 February 2010 Paper

975-nm high-power broad area diode lasers optimized for narrow spectral linewidth applications

P. Crump, C. Schultz, A. Pietrzak, S. Knigge, O. Brox, A. Maaßdorf, F. Bugge, H. Wenzel, G. Erbert

Proceedings Volume 7583, 75830N (2010) https://doi.org/10.1117/12.839570

KEYWORDS: Semiconductor lasers, High power lasers, Broad area laser diodes, Laser development, Optical design, Continuous wave operation, Absorption, Waveguides, High power diode lasers

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Proceedings Article | 24 February 2009 Paper

20W continuous wave reliable operation of 980nm broad-area single emitter diode lasers with an aperture of 96um

P. Crump, G. Blume, K. Paschke, R. Staske, A. Pietrzak, U. Zeimer, S. Einfeldt, A. Ginolas, F. Bugge, K. Häusler, P. Ressel, H. Wenzel, G. Erbert

Proceedings Volume 7198, 719814 (2009) https://doi.org/10.1117/12.807263

KEYWORDS: Continuous wave operation, Semiconductor lasers, Temperature metrology, Quantum wells, Waveguides, Broad area laser diodes, Resistance, Reliability, Fiber lasers

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Proceedings Article | 24 February 2009 Paper

Assessment of the limits to peak power of 1100nm broad area single emitter diode lasers under short pulse conditions

X. Wang, P. Crump, A. Pietrzak, C. Schultz, A. Klehr, T. Hoffmann, A. Liero, A. Ginolas, S. Einfeldt, F. Bugge, G. Erbert, G. Tränkle

Proceedings Volume 7198, 71981G (2009) https://doi.org/10.1117/12.808411

KEYWORDS: Semiconductor lasers, Waveguides, Quantum wells, Pulsed laser operation, High power lasers, Reliability, Gallium arsenide, High power diode lasers, Inductance

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Proceedings Article | 5 February 2008 Paper

High-brightness diode lasers with very narrow vertical divergence

Götz Erbert, Frank Bugge, Bernd Eppich, Joerg Fricke, Karl-Heinz Hasler, Katrin Paschke, Agnieszka Pietrzak, Hans Wenzel, Günther Tränkle

Proceedings Volume 6909, 69090P (2008) https://doi.org/10.1117/12.760874

KEYWORDS: Waveguides, Semiconductor lasers, Quantum wells, Resonators, Resistance, Cladding, Refractive index, Gallium arsenide, Near field optics, Electronics

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Showing 5 of 18 publications

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