2016

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. C. Piontek, T. Herrmann, J. A. L'huillier, Proc. SPIE 9726, Solid State Lasers XXV: Technology and Devices, 972612 (March 17, 2016), doi:10.1117/12.2212919

Fundamental investigations of ultrashort-pulse micromachining of different types of crystalline lithium niobate
M. Stolze, T. Herrmann, J. A. L'huillier, Proc. SPIE 9735, Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XXI, 97350O (14 March 2016), doi: 10.1117/12.2212531

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. A. L'huillier, Proc. SPIE 9759, Advanced Fabrication Technologies for Micro/Nano Optics and Photonics IX, 97590E (14 March 2016), doi: 10.1117/12.2212497


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

F. Harth, M. C. Piontek, T. Herrmann, J. A. L'huillier, Proc. SPIE 9736, Laser-based Micro- and Nanoprocessing X, 97360N (March 4, 2016), doi:10.1117/12.2212816

2015

Influence of a Second-order Kerr Lens in the SHG Crystal on the THG Efficiency and Beam Quality

P. Koch, J. Bartschke, and J. A. L'huillier, in Nonlinear Optics 2015, OSA Technical Digest (online) (Optical Society of America, 2015), paper NF2A.5, DOI: 10.1364/NLO.2015.NF2A.5

 

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

B. Weigand; C. Dautermann; C. Theobald; S. Wolff; J. A. L'huillier, Proc. SPIE 9344, Fiber Lasers XII: Technology, Systems, and Applications, 93440H (4 March 2015); doi: 10.1117/12.2079947

 

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

A. Nieborowsky; B. Weigand; J. Bartschke; R. Beigang; J. A. L'huillier, Proc. SPIE 9359, Optical Components and Materials XII, 93590T (16 March 2015); doi: 10.1117/12.2080173

 

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

N. Hänel, M. Stolze, T. Herrmann, J.A. L'huillier, Proc. SPIE 9351, Laser-based Micro- and Nanoprocessing IX, 93510E (March 12, 2015);   doi: 10.1117/12.2079652

 

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 A. L?huillier
Proc. SPIE 9342, Solid State Lasers XXIV: Technology and Devices, 93421O (February 20, 2015); doi:10.1117/12.2079401

2014

Ridge Waveguide Directional Couplers for High Power Fiber Laser Pumping Devices

B. Weigand, C. Dautermann, C. Theobald, S. Wolff, J. A. L'huillier, MNE 2014, Lausanne, September 22-26, Poster P1-14-Tu (2014).

 

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

T. Herrmann, M. Stolze, J.A. L'huillier, Proc. SPIE 8972, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XIV, 89721K (March 7, 2014); doi:10.1117/12.2039077

2013

Improved Quality of Drilled Holes in Laminated Carbon Fiber Reinforced Plastics via Laser-Preprocessing

Schneider, F.; Kirsch, B.; Gurka, M.; Hermann, T.; L´huiller, J.A.; Aurich, J.C., In: Denkena, B. (Hrsg.) New Production Technologies in Aerospace Industry - Proceedings of the 4th Machining Innovations Conference, September, 2013, Hannover, Deutschland: S. 27-31.

2012

Fabrication of Ridge Waveguides in LiNbO3

B. Weigand, A. Lenhard, M. Stolze, F. Rübel, S. Wolff, C. Becher und J. L'huillier, ISAF ECAPD PFM 2012, Aveiro/ Portugal, July 9-13, Paper 182 (2012)

 

Laser Microstructuring of Congruent Lithium Niobate by UV ps-pulses

M. Stolze, T. Herrmann, B. Weigand und J. L'huillier , ISAF ECAPD PFM 2012, Aveiro/ Portugal, July 9-13, Paper 109 (2012)

 

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

T. Ulm, F. Harth, A. Klehr, G. Erbert, J.A. L'huillier, 8432-32, SPIE Photonics Europe, Brussels (2012)

 

Präzisionsabtrag von CFK mittels Pikosekundenlaser

A. Wolynski, T. Herrmann, M. Stolze, M. Schmidt, J.A. L'huillier, Tagungsband LEF (2012)

 

Präziser Abtrag von carbonfaserverstärkten Kunststoffen durch Pikosekundenlaser

A. Wolynski, T. Herrmann, M. Stolze, M. Schmidt, J.A. L'huillier, Tagungsband MikroLas Innovationsforum, Rostock (2012)

 

Simulation and Fabrication of 3-Dimensional Terahertz Waveguides

M. Gerhard, M. Theuer, M. Stolze, J.A. L´huillier, R. Beigang, 5th Workshop on Terahertz Technology ? International Forum on Terahertz Spectroscopy and Imaging, Kaiserslautern, Germany (2012)

2011

Investigations on Microstructuring of Ferroelectric Materials by Picosecond UV Laser Pulses

Mareike Stolze, Thomas Herrmann, Johannes L'huillier, 30th International Congress on Applications of Lasers & Electro-Optics (ICALEO), Orlando/FL, October 23-27, 2011. Paper M1006 (pp. 1060-1066)

 

Picosecond laser ablation of carbon fiber reinforced plastics at different wavelengths

A. Wolynski, T. Herrmann, M. Schmidt, J.A. L'huillier, Laser Institute of America, Proceedings of ICALEO, Orlando, Florida, (2011), pp. 1075

 

Parametric Kerr‐lens mode‐locking of a 888 nm pumped Nd:YVO4 laser using cascaded second order nonlinearities

Christoph Schäfer, Christian Fries and Johannes A. Lʹhuillier, Nonlinear Optics (NLO), Hawaii, NThC5 (2011)

 

Laser ablation of CFRP using picosecond laser pulses at different wavelengths from UV to IR

Alexander Wolynski, Thomas Herrmann, Patrick Mucha, Hatim Haloui, Johannes L'huillier, Physics Procedia, Volume 12, Part B, 2011, Pages 292-301, ISSN 1875-3892, 10.1016/j.phpro.2011.03.136.

 

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

M. Lührmann, F. Harth, C. Theobald, T. Ulm, R. Knappe, A. Nebel, A. Klehr, G. Erbert, J.A. L'huillier, Proc. SPIE 7912, Solid State Lasers XX: Technology and Devices, 791210 (February 15, 2011); doi:10.1117/12.874203

 

2010

Optimization of Cascaded Intracavity Sum Frequency Generation towards the visible in Periodically Poled MgO:LiNbO3

Felix Ruebel and Johannes A. L'huillier, Nonlinear Photonics (NP), Karlsruhe, NWC8 (2010).

 

Influence of the Spectral Properties of the Pump Laser on the Behaviour of an Optical Parametric Oscillator with a Volume Bragg Grating around Degeneracy

Peter Koch, Felix Ruebel, Martin Nittmann, Juergen Bartschke and Johannes A. L'huillier, Nonlinear Photonics (NP), Karlsruhe, NThC2 (2010).

 

High Efficient kHz Repetition Rate Optical Parametric Generator in LBO with Octave Spanning Tunability

Tobias Traub, Felix Ruebel and Johannes A. L'huillier, Nonlinear Photonics (NP), Karlsruhe, NThC3 (2010).

 

Narrow-band degenerate optical parametric oscillator in periodically poled MgO:LiNbO3 with a volume Bragg grating output coulpler

Peter Koch, Felix Ruebel, Martin Nittmann, Thorsten Bauer, Juergen Bartschke and Johannes A. L'huillier,Conference on Lasers and Electro-Optics, San José, CA, USA, Paper CThY6 (2010).

 

Mid-infrared picosecond laser source with high average output power exceeding 1 W at 4.5 µm

Felix Ruebel, Gregor Anstett and Johannes A. L'huillier, Conference on Lasers and Electro-Optics, San José, CA, USA, Paper CThH4 (2010).

 

Tailoring of Chirp in Colliding Pulse Mode-locked Diode Laser generating 267 fs Pulses after Compression

Thorsten Ulm, Florian Harth and Johannes A. L'huillier, Conference on Lasers and Electro-Optics (CLEO) 2010, San Jose (USA)

 

Generation of powerful tunable mid-infrared picosecond laser radiation using frequency conversion in periodically poled Lithium niobate

Gregor Anstett, Felix Ruebel and Johannes A. L'huillier, Advanced Solid State Photonics (ASSP), San Diego, CA, USA,  January 31-February 3, (2010).

2009

High Efficient kHz Repetition Rate Injection Seeded Picosecond Optical Parametric Generator in LBO

Tobias Traub, Felix Rübel, Johannes A. L'huillier, Conference on Lasers and Electro-Optics (CLEO), Baltimore, USA, CWC4 (2009).

  

MIR-generation with short and ultra short laser pulses using frequency conversion in periodically poled Lithiumniobate

G. Anstett and F. Ruebel, SPIE Security and Defense, Berlin, 31.08. - 03.09. (2009).

 

888 nm Pumped Nd:YVO4 Regenerative Amplifier with Long Pico-Second Pulses, 20 kHz Repetition Rate and Efficient Second Harmonic Generation

M. Lührmann, C. Theobald, R. Wallenstein, J. L'huillier, Conference on Lasers and Electro-Optics/International Quantum Electronics Conference, OSA Technical Digest (CD) (Optical Society of America, 2009), paper CtuP5.