Dr. Nicoletta Haarlammert Profile

Dr. Nicoletta Haarlammert

Group Leader Fiber Technology at Fraunhofer-IOF

SPIE Involvement:

Author

Publications (35)

Proceedings Article | 20 June 2024 Presentation

Static and dynamic mode interaction in high-average power PM fibers

G. Palma-Vega, D. Hässner, F. Möller, S. Kuhn, J. Nold, N. Haarlammert, T. Schreiber

Proceedings Volume PC13001, PC1300104 (2024) https://doi.org/10.1117/12.3022194

KEYWORDS: Polarization, Transverse mode instability, Polarization maintaining fibers, Refractive index, Numerical simulations, Frequency modulation, Fermium, Cladding, Anisotropy, High power lasers

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Proceedings Article | 20 June 2024 Presentation

Limitations and perspectives in power scaling of fiber lasers

Till Walbaum, Maximilian Strecker, Marco Plötner, Friedrich Möller, Gonzalo Palma-Vega, Steffen Trautmann, Carolin Rothhardt, Stefan Kuhn, Nicoletta Haarlammert, Thomas Schreiber

Proceedings Volume PC13003, PC130030A (2024) https://doi.org/10.1117/12.3024100

KEYWORDS: Fiber lasers, Multicore fiber, Design, Transverse mode instability, Thermal effects, Miniaturization, Laser systems engineering, Fiber amplifiers, Dopants, Beam combiners

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Proceedings Article | 12 March 2024 Presentation + Paper

Temperature-dependent fluorescence and site-selective excitation studies of ytterbium doped silica

Brian Topper, Alexander Neumann, Stefan Kuhn, Denny Häßner, Sigrun Hein, Christian Hupel, Johannes Nold, Nicoletta Haarlammert, Arash Mafi, Thomas Schreiber

Proceedings Volume 12865, 128650F (2024) https://doi.org/10.1117/12.3000259

KEYWORDS: Absorption, Silica, Fluorescence, Ytterbium, Fiber lasers, Emission wavelengths, Spectroscopy, Glasses

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Proceedings Article | 12 March 2024 Paper

Polarization-maintaining, ytterbium-doped, rod-type, multicore fiber

Arno Klenke, Moritz Grimm, Cesar Jauregui, Mehran Bahri, Johannes Nold, Nicoletta Haarlammert, Thomas Schreiber, Jens Limpert

Proceedings Volume 12865, 128650Z (2024) https://doi.org/10.1117/12.3001761

KEYWORDS: Multicore fiber, Polarization, Birefringence, Design, Oscillators, Photonics, Optical simulations

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Proceedings Article | 12 March 2024 Paper

Mitigation of transverse mode instability by polarization rotation in high-power PM fiber amplifiers

Gonzalo Palma-Vega, Denny Hässner, Stefan Kuhn, Johannes Nold, Friedrich Möller, César Jáuregui, Andreas Tünnermann, Jens Limpert, Nicoletta Haarlammert, Thomas Schreiber

Proceedings Volume 12865, 1286504 (2024) https://doi.org/10.1117/12.3001675

KEYWORDS: Transverse mode instability, Polarization, Fiber amplifiers, Birefringence, Refractive index

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Proceedings Article | 12 March 2024 Paper

High-precision adjustment of the refractive index in high-power laser fibers

Nicoletta Haarlammert, Johannes Nold, Gonzalo Palma-Vega, Stefan Kuhn, Jens Limpert, Thomas Schreiber

Proceedings Volume 12865, 128650G (2024) https://doi.org/10.1117/12.3000567

KEYWORDS: Refractive index, Silica, Manufacturing, Fiber lasers, Structured optical fibers

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Proceedings Article | 12 March 2024 Paper

NA-dependent absorption in double clad multicore amplifier fibers

Benjamin Yildiz, Denny Häßner, Stefan Kuhn, Till Walbaum, Nicoletta Haarlammert, Thomas Schreiber

Proceedings Volume 12865, 1286510 (2024) https://doi.org/10.1117/12.3002478

KEYWORDS: Absorption, Multicore fiber, Cladding, Light absorption, Fiber amplifiers, Near field, Cameras, Sodium, Iris, Whispering gallery modes

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Proceedings Article | 12 March 2024 Paper

Extraction of 100-mJ level pulse energy at high repetition rates by a ns-class, 49-core fiber laser

Mehran Bahri, Arno Klenke, Cesar Jauregui, Stefan Kuhn, Johannes Nold, Nicoletta Haarlammert, Thomas Schreiber, Jens Limpert

Proceedings Volume 12865, 1286505 (2024) https://doi.org/10.1117/12.3002542

KEYWORDS: Multicore fiber, Fiber lasers, Oscillators, Fiber amplifiers, Q switching, Laser applications, Extreme ultraviolet, Pulsed fiber lasers

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Proceedings Article | 23 October 2023 Presentation

Overview and perspectives of fiber laser power scaling

Till Walbaum, Friedrich Möller, Marco Plötner, Maximilian Strecker, Benjamin Yildiz, Johannes Nold, Stefan Kuhn, Nicoletta Haarlammert, Thomas Schreiber

Proceedings Volume PC12739, PC1273903 (2023) https://doi.org/10.1117/12.2688504

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Proceedings Article | 15 March 2023 Presentation + Paper

Laser cooling silica: current status and future prospects

Brian Topper, Alexander Neumann, Alexander Albrecht, Angel Flores, Stefan Kuhn, Denny Häßner, Sigrun Hein, Christian Hupel, Johannes Nold, Nicoletta Haarlammert, Thomas Schreiber, Mansoor Sheik-Bahae, Arash Mafi

Proceedings Volume 12437, 1243703 (2023) https://doi.org/10.1117/12.2655228

KEYWORDS: Ytterbium, Silica, Fluorescence, Glasses, Aluminum, Spectroscopy, Emission wavelengths, Air force, Absorption, Temperature metrology

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