Dr. Johannes A. L'huillier Profile

Dr. Johannes A. L'huillier

PD Dr. at Photonik-Zentrum Kaiserslautern eV

SPIE Involvement:

Author

Publications (21)

Proceedings Article | 17 March 2023 Presentation + Paper

High-speed processing with ultrafast lasers and resonant scanning systems

T. Herrmann, B. Kaiser, J. L'huillier

Proceedings Volume 12409, 124090Y (2023) https://doi.org/10.1117/12.2649884

KEYWORDS: Laser scanners, Ultrafast phenomena, Laser ablation, Laser processing, Galvanometers, Pulsed laser operation, Spatial light modulators, Polygon scanners, Mirrors, Temperature distribution

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Proceedings Article | 15 March 2023 Presentation + Paper

Real-time holographic 3D beam manipulation for ultrashort pulse laser processing

Bastian Kaiser, Mareike Schäfer, Johannes L'huillier

Proceedings Volume 12414, 1241405 (2023) https://doi.org/10.1117/12.2648947

KEYWORDS: Spatial light modulators, Holograms, Laser processing, Computer generated holography, Ablation, Computation time, Materials processing, Aberration correction

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Proceedings Article | 8 March 2023 Poster + Paper

High spectral resolution LIDAR source at 1 kHz amplifying spectrally single mode ns-pulses with active ASE suppression

Andrea Nagel, Bastian Kaiser, Bernhard Henrich, Peter Koch, Martin Nittmann, Jürgen Bartschke, Johannes L'huillier

Proceedings Volume 12399, 123990K (2023) https://doi.org/10.1117/12.2641628

KEYWORDS: Pulse signals, LIDAR, Crystals, Second harmonic generation, Oscillators, Spectral resolution, Aerosols, Diffraction, Amplifiers

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SPIE Journal Paper | 10 November 2021

Influence of an external electric field on the energy dissipation at the initial stage of laser ablation

Steffen Hirtle, Pavel Terekhin, Mareike Schäfer, Yiyun Kang, Sanjay Ashok, Johannes L'huillier, Baerbel Rethfeld

OE, Vol. 61, Issue 02, 021003, (November 2021) https://doi.org/10.1117/12.10.1117/1.OE.61.2.021003

KEYWORDS: Electrons, Laser ablation, Phonons, Laser irradiation, Silicon, Semiconductor lasers, Optical engineering, Pulsed laser operation, Particles, Diffusion

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Proceedings Article | 9 March 2020 Presentation

Investigation of magnetic-field assisted laser ablation of silicon by using short and ultrashort laser pulses (Conference Presentation)

Mareike Schäfer, Falicienne Gnintedem Keabou, Garik Torosyan, Yiyun Kang, Hicham Derouch, Baerbel Rethfeld, Johannes L'huillier, Pavel Terekhin

Proceedings Volume 11268, 112681I (2020) https://doi.org/10.1117/12.2546458

KEYWORDS: Laser ablation, Silicon, Ultrafast phenomena, Semiconductor lasers, Magnetism, Micromachining, Electrons, Laser applications, Medicine, Absorption

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Proceedings Article | 2 March 2020 Presentation + Paper

Ultrashort-pulse laser micro-polishing of lithium niobate by using UV-ps pulses

Mareike Schäfer, Johannes L'huillier

Proceedings Volume 11268, 112680R (2020) https://doi.org/10.1117/12.2546493

KEYWORDS: Pulsed laser operation, Lithium niobate, Laser ablation, Surface finishing, Laser processing, Polishing, Gaussian beams, Ultrafast phenomena, Solids, Laser applications

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Proceedings Article | 31 January 2020 Paper

Surface treatment with GHz bursts

Fabian Nyenhuis, Andreas Michalowski, Johannes L'huillier

Proceedings Volume 11268, 112680B (2020) https://doi.org/10.1117/12.2544337

KEYWORDS: Laser ablation, Pulsed laser operation, Laser drilling, Medicine, Microfluidics, Photonics, Nanoengineering, Quantum wells, Surface finishing, Polishing

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Proceedings Article | 7 March 2019 Presentation + Paper

High power ultrafast laser with highly dynamic repetition rate and constant pulse energy from single pulse to 10 MHz

F. Harth, T. Herrmann, J. L'huillier

Proceedings Volume 10896, 108960H (2019) https://doi.org/10.1117/12.2507821

KEYWORDS: Amplifiers, Picosecond phenomena, Pulsed laser operation, Mode locking, Optical amplifiers, Laser systems engineering, Diodes, Switching, Second-harmonic generation, Beam controllers

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Proceedings Article | 16 March 2016 Paper

Ultrafast laser with an average power of 120 W at 515 nm and a highly dynamic repetition rate in the MHz range for novel applications in micromachining

F. Harth, M. Piontek, T. Herrmann, J. L'huillier

Proceedings Volume 9726, 972612 (2016) https://doi.org/10.1117/12.2212919

KEYWORDS: Pulsed laser operation, Ultrafast lasers, Micromachining, Semiconductor lasers, Optical amplifiers, Second-harmonic generation, Solid state lasers, Fiber amplifiers, Scanners, Picosecond phenomena, Laser systems engineering, Switching, Diodes, Crystals

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Proceedings Article | 14 March 2016 Paper

Fundamental investigations of ultrashort-pulse micromachining of different types of crystalline lithium niobate

M. Stolze, T. Herrmann, J. L'huillier

Proceedings Volume 9735, 97350O (2016) https://doi.org/10.1117/12.2212531

KEYWORDS: Micromachining, Laser processing, Crystals, Photonic crystals, Laser crystals, Lithium niobate, Picosecond phenomena, Waveguides, Pyroelectricity, Ultrafast phenomena, Laser ablation, Pulsed laser operation, Ultraviolet radiation, Infrared radiation, Electrons

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Proceedings Article | 14 March 2016 Paper

Fabrication of low-loss ridge waveguides in z-cut lithium niobate by combination of ion implantation and UV picosecond laser micromachining

M. Stolze, T. Herrmann, J. L'huillier

Proceedings Volume 9759, 97590E (2016) https://doi.org/10.1117/12.2212497

KEYWORDS: Micromachining, Waveguides, Laser processing, Ion implantation, Picosecond phenomena, Laser scattering, Scattering, Lithium niobate, Ultraviolet radiation, Annealing, Refractive index

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Proceedings Article | 4 March 2016 Paper

Ultra high-speed micromachining of transparent materials using high PRF ultrafast lasers and new resonant scanning systems

F. Harth, M. Piontek, T. Herrmann, J. L'huillier

Proceedings Volume 9736, 97360N (2016) https://doi.org/10.1117/12.2212816

KEYWORDS: Laser engraving, Scanners, Laser systems engineering, Pulsed laser operation, Laser scanners, 3D scanning, Thermal effects, Mirrors, Laser ablation, Laser processing

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Proceedings Article | 16 March 2015 Paper

Fiber Bragg grating based sensors in conventional double clad large mode area fibers

Alexander Nieborowsky, B. Weigand, J. Bartschke, R. Beigang, J. L'huillier

Proceedings Volume 9359, 93590T (2015) https://doi.org/10.1117/12.2080173

KEYWORDS: Fiber Bragg gratings, Sensors, Single mode fibers, Temperature metrology, Light sources, Ultraviolet radiation, Hydrogen, Mirrors, Photonics, Neodymium lasers

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Proceedings Article | 12 March 2015 Paper

Fundamental investigations of ps-laser burst-mode on common metals for an enhanced ablation process

Nicolai Hänel, M. Stolze, T. Herrmann, J. Lhuillier

Proceedings Volume 9351, 93510E (2015) https://doi.org/10.1117/12.2079652

KEYWORDS: Laser ablation, Copper, Metals, Titanium, Aluminum, Zinc, Laser damage threshold, Pulsed laser operation, Tungsten, Scanning electron microscopy

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Proceedings Article | 4 March 2015 Paper

Fiber laser pumping devices based on directional coupling via fused silica ridge waveguide arrays

B. Weigand, C. Dautermann, C. Theobald, Sandra Wolff, J. L'huillier

Proceedings Volume 9344, 93440H (2015) https://doi.org/10.1117/12.2079947

KEYWORDS: Waveguides, Active optics, Fiber lasers, Silica, Prisms, Cladding, Optics manufacturing, Refractive index, Collimation, Silicon

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Proceedings Article | 20 February 2015 Paper

50W CW output power and 12mJ pulses from a quasi-2-level Yb:YAG ceramic rod laser end-pumped at the 969nm zero-phonon line

Christian Fries, Marco Weitz, Christian Theobald, Patric v. Löwis of Menar, Jürgen Bartschke, Johannes L'huillier

Proceedings Volume 9342, 93421O (2015) https://doi.org/10.1117/12.2079401

KEYWORDS: Absorption, Pulsed laser operation, Ions, Resonators, Commercial off the shelf technology, Ceramics, Oscillators, Diodes, Continuous wave operation, Semiconductor lasers

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Proceedings Article | 1 May 2014 Paper

2.6 um to 12 um tunable ZGP parametric master oscillator power amplifier

T. Traub, G. Anstett, G. Goeritz, J. L'huillier

Proceedings Volume 9136, 913616 (2014) https://doi.org/10.1117/12.2052288

KEYWORDS: Optical parametric oscillators, Ferroelectric materials, Mid-IR, Crystals, Mirrors, Optical amplifiers, Autoregressive models, Light sources, Polarization, Phase matching

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Proceedings Article | 7 March 2014 Paper

Laser drilling of carbon fiber reinforced plastics (CFRP) by picosecond laser pulses: comparative study of different drilling tools

T. Herrmann, M. Stolze, J. L'huillier

Proceedings Volume 8972, 89721K (2014) https://doi.org/10.1117/12.2039077

KEYWORDS: Laser drilling, Picosecond phenomena, Diffractive optical elements, Laser ablation, Laser processing, Head, Carbon, Imaging systems, Laser cutting, Laser scanners

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Proceedings Article | 26 February 2013 Paper

A sub-10 fs noncollinear optical parametric chirped pulse amplifier pumped at 20 kHz pulse repetition rate

Jiaan Zheng, Daniel Nürenberg, Wataru Kobayashi, Thomas Hamann, Markus Lührmann, Johannes L'huillier, Richard Wallenstein, Helmut Zacharias

Proceedings Volume 8699, 86990U (2013) https://doi.org/10.1117/12.2020762

KEYWORDS: Optical amplifiers, Picosecond phenomena, Luminescence, Neodymium lasers, Oscillators, Amplifiers, Point spread functions, Silica, Crystals, Glasses

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Proceedings Article | 15 May 2012 Paper

Passively mode-locked 1 GHz MOPA system generating sub-500-fs pulses after external compression

Thorsten Ulm, Florian Harth, Andreas Klehr, Götz Erbert, Johannes L'huillier

Proceedings Volume 8432, 84320Y (2012) https://doi.org/10.1117/12.922901

KEYWORDS: Oscillators, Mode locking, Semiconductor lasers, Picosecond phenomena, Optical amplifiers, Amplifiers, Pulsed laser operation, Modulation, Waveguides

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Proceedings Article | 16 February 2011 Paper

High-average power Nd:YVO4 regenerative amplifier seeded by a gain switched diode laser

Markus Lührmann, Florian Harth, Christian Theobald, Thorsten Ulm, Ralf Knappe, Achim Nebel, Andreas Klehr, Götz Erbert, Johannes L'huillier

Proceedings Volume 7912, 791210 (2011) https://doi.org/10.1117/12.874203

KEYWORDS: Semiconductor lasers, Diodes, Amplifiers, Neodymium lasers, Picosecond phenomena, Pulsed laser operation, Optical amplifiers, Gain switching, Solid state lasers, Oscillators

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Showing 5 of 21 publications

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