Two-photon direct laser writing of microlenses for bronchoscopy

Logaheswari Muniraj¹, Pablo Roldán-Varona¹, Robert R. Thomson¹, Kevin Dhaliwal², Duncan P. Hand¹

1: Institute of Photonics and Quantum Sciences, Heriot-Watt University, Edinburgh, EH144AS, UK; 2: Billie Gifford Pandemic Science Hub, Institute of Regeneration and Repair, University of Edinburgh, Edinburgh, EH16 4UU, UK

Use of SLM for high throughput 3D microfabrication with high resolution

Francisco Gontad, Jaime Cuartero, Nerea Otero

AIMEN, Spain

Mode-locked Diode lasers for multi-photon polymerization

Nils Surkamp¹, Felix Behlau¹, Shulin Wholfeil², Andrea Knigge², Cemal Esen¹, Andreas Ostendorf¹, Martin Hofmann¹

1: Ruhr-Universität Bochum, Germany; 2: Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik, Berlin, Germany

Holographic Layer-by-Layer 3D Printing Using a Green Fiber Laser with Temporal and Spatial Pulse Shaping for High Precision and High Throughput

Maria Manousidaki¹, Savvas Papamakarios¹, Michalis Stavrou¹, Maria Farsari¹, Oleg Pronin², Kilian Fritsch², Tomin Joy², David Gray¹

1: Intitute of Electronic Structure and Laser, FORTH, Greece; 2: n2-Photonics GmbH, Germany

Transparent polycarbonate welding: Exploring the effects of scanning speed and fluence per pulse on weld seam quality

Soheil Alee Mazreshadi¹, Pol Vanwersch^1,2, Tim Evens², Sylvie Castagne¹

1: KU Leuven, Department of Mechanical Engineering and Flanders Make@KU Leuven-M&A, Celestijnenlaan 300, 3001 Leuven, Belgium; 2: KU Leuven, Department of Materials Engineering, Diepenbeek Campus, Wetenschapspark 27, 3590 Diepenbeek, Belgium

Femtosecond Laser and CO₂ Laser Processing for Fiber Lens Manufacturing

Robert Kuschmierz, Kinga Żołnacz, Jürgen Czarske

TU Dresden, Chair of Measurement and Sensor System Technique, Germany

Invited Talk: Laser percussion drilling of additively manufactured titanium parts with ultrashort laser pulses

Daniel Holder^1,2, Nathan Gabriel¹, Christian Hagenlocher¹, Thomas Graf¹

1: Institut für Strahlwerkzeuge (IFSW), University of Stuttgart, Germany; 2: ARENA2036 Research Campus

Insights from High-Speed Synchrotron X-ray Imaging on the Ablation of Micro -Holes and -Grooves with Ultrafast Lasers

Manuel Henn¹, Lukas Schneller^1,2, Daniel Holder¹, Christoph Spurk³, Marc Hummel^3,4, Alexander Olowinsky⁴, Felix Beckmann⁵, Julian Moosmann⁵, Christian Hagenlocher¹, John Powell¹, Thomas Graf¹

1: University of Stuttgart, Institut für Strahlwerkzeuge IFSW, Pfaffenwaldring 43, 70569 Stuttgart, Germany; 2: Graduate School of advanced Manufacturing Engineering GSaME, Nobelstrasse 12, 70569 Stuttgart, Germany; 3: RWTH Aachen University, Chair for Laser Technology LLT, Steinbachstraße 15, 52074 Aachen, Germany; 4: Fraunhofer Institute for Laser Technology ILT, Steinbachstraße 15, 52074 Aachen, Germany; 5: Institute of Materials Physics, Helmholtz-Zentrum Hereon, Max-Planck-Str. 1, 21502 Geesthacht, Germany

Determining the individual structural strength of three-dimensional macrostructures as a function of ambient pressure

Christian Frey¹, Pia Wagner², Benjamin Gerhards³, Simon Olschok¹, Christian Hopmann², Uwe Reisgen¹

1: Welding and Joining Institute, RWTH Aachen University, Pontstrasse 49, 52062 Aachen, Germany; 2: Institute for Plastic Processing in Industry and Craft at RWTH Aachen University, Seffenter Weg 201, 52074 Aachen, Germany; 3: LaVa-X GmbH, Kaiserstraße 100, 52134 Herzogenrath, Germany

Influence of burr formation on the surface quality of sidewalls of microholes during laser ablation in metals

Robin Klöpfer, Daniel Holder, Chrisitan Hagenlocher, Thomas Graf

University of Stuttgart, Institut für Strahlwerkzeuge (IFSW)

Ultrashort pulsed laser robot system: Realisation of a concept for large area 3D micromachining

Yongting Yang¹, Daniel Franz¹, Cemal Esen², Ralf Hellmann¹

1: University of Applied Sciences Aschaffenburg, Germany; 2: Ruhr University Bochum, Germany

Crack-free large-diameter glass welding with femtosecond laser and repetitive single pulses

Manon Lafargue^1,2, Théo Guilberteau^1,3, Bastien Gavory², John Lopez¹, Inka Manek-Hönninger¹

1: Université de Bordeaux - CELIA, France; 2: Amplitude, Pessac, France; 3: ALPhANOV, Talence, France

Overcoming the gap in glass welding using femtosecond laser's burst mode

Baptiste De Azevedo^1,2, Frédéric Antoni¹, Éric Audouard³, Armel Bahouka⁴, Sylvain Lecler^1,2

1: ICube, Université de Strasbourg - CNRS, Illkirch-Graffenstaden, France; 2: INSA-Strasbourg, Strasbourg, France; 3: Amplitude, Pessac, France; 4: IREPA LASER, Illkirch-Graffenstaden, France

Ultrashort Pulse Laser Welding of Optics with Increased Throughput.

Adrian Dzipalski¹, Tahseen Jwad², Howard Snelling², Jason Lee², Richard M. Carter¹, M.J. Daniel Esser¹, Duncan P. Hand¹

1: Heriot Watt University, United Kingdom; 2: Luxinar, United Kingdom

Direct welding of metals and glass substrates using GHz-burst femtosecond laser pulses

Manon Lafargue^1,2, Théo Guilberteau^1,3, Bastien Gavory², Inka Manek-Hönninger¹, John Lopez¹

1: Université de Bordeaux - CELIA, France; 2: Amplitude, Pessac, France; 3: ALPhANOV, Talence, France

Micro-welding of thin stainless steel foils using an ultra-short pulsed laser

Samuel Weber^1,2, Mareike Schäfer^1,2, Ellen Bold³, Sebastian Zimmermann⁴, Clarissa Schönecker⁴, Egbert Oesterschulze³, Johannes L’huillier^1,2

1: Institute for Surface and Thin Film Technology (IFOS), Kaiserslautern, Germany; 2: Research Center OPTIMAS, RPTU Kaiserslautern-Landau, Kaiserslautern, Germany; 3: Department of Physics, Rheinland-Pfälzische Technische Universität Kaiserslautern-Landau (RPTU), Kaiserslautern, Germany; 4: Department of Mechanical and Process Engineering, Rheinland-Pfälzische Technische Universität Kaiserslautern-Landau (RPTU), Kaiserslautern, Germany

A Standard Metal Preparation for Ultrashort Pulse Laser Metal-Optical Component Bonding

Adrian Dzipalski, Richard M. Carter, M.J. Daniel Esser, Duncan P. Hand

Heriot Watt University, United Kingdom

Ultraviolet Femtosecond Laser Precision Micromachining of Complex Quartz Structures

Vishnu Prakash Karunakaran^1,3, Sandra Stroj¹, Fadi Dohnal¹, Christian Schimpf², Dorian Gangloff², Armando Rastelli³

1: Research Center for Microtechnology, FHV - Vorarlberg University of Applied Sciences, Hochschulstraße 1, 6850 Dornbirn, Austria; 2: Cavendish Laboratory, University of Cambridge, J.J. Thomson Avenue, Cambridge, CB3 0HE, UK; 3: Institute of Semiconductor and Solid State Physics, Johannes Kepler University, Altenbergerstraße 69, 4040 Linz, Austria

High shear strength ultra short pulse bonds across various glass metal interfaces

Lukas Günther^1,2, Jens Ulrich Thomas¹, Dominique de Ligny²

1: SCHOTT AG, Germany; 2: Friedrich-Alexander-Universitat Erlangen-Nurnberg

Glass Percussion Drilling with GHz-Burst Femtosecond Lasers at 515 nm and Arbitrary Burst Shapes

Alessandro Greborio¹, Riccardo Conzatti¹, Roberta Ruffilli¹, Antonio Ancona², Martina Pagani¹

1: Lithium Lasers, Via Zeni 8, 38068 Rovereto, Italy; 2: Istituto di Fotonica e Nanotecnologie (IFN)-CNR U.O.S. Bari, via Amendola 173, 70126 Bari, Italy

Advancing femtosecond laser percussion drilling for high-aspect-ratio holes in glass and silicon carbide using repetitive single-pulses

Bogusz Stepak, Rafał Smolin, Natalia Grudzień, Yuriy Stepanenko, Michał Nejbauer

Fluence Sp. z o.o., Kolejowa 5/7, 01-217 Warsaw, Poland

Towards optimized 2.5D ultra-short pulsed laser ablation of fused silica to enhance quality of laser structured complex optics

Dominik Mücke¹, Cemal Esen², Ralf Hellmann¹

1: TH Aschaffenburg, Germany; 2: Ruhr-Universität Bochum, Germany

Formation of Mid-Spatial Frequency Errors in Laser Polishing of Fused Silica

Manuel Jung, Edgar Willenborg

Fraunhofer Institut for Laser Technology ILT, Germany

Laser processes: powerful tools for targets fabrication

Isabelle Geoffray, Rémy Bourdenet

CEA, France

High-entropy alloy Nanoparticles for Green Hydrogen Production, Created by Pulsed Laser Ablation in Liquid Flow

Robert Stuckert¹, Felix Pohl², Oleg Prymak¹, Christoph Rehbock¹, Ulrich Schürmann², Lorenz Kienle², Stephan Barcikowski¹

1: University of Duisburg-Essen, Germany; 2: Kiel University, Germany

Laser Stripping of Diffused Aluminide Coating Used for the Protection of Gas Turbine Parts

Mohamed Ahmed¹, Sarah Higgins^1,2, Tom Hanratty², Dale Harris², Amin Abdolvand¹, Svetlana Zolotovskaya¹

1: University of Dundee, School of Science and Engineering, Nethergate, Dundee DD1 4HN, United Kingdom; 2: ATL Turbine Services, Baldovie Industrial Estate, Dundee DD4 0NT, United Kingdom

Miniaturised PMN-PT piezo actuators realised by UV-fs-laser processing for strain-tuning of entangled light sources

Sandra Stroj¹, Menotti Markovic¹, Lucia Oberndorfer¹, Vishnu Prakash Karunakaran¹, Fadi Dohnal¹, Dorian Gangloff², Christian Schimpf², Peter Michler³, Rinaldo Trotta⁴, Javier Martín-Sánchez⁵, Armando Rastelli⁶

1: Research Center for Microtechnology, FH Vorarlberg, Hochschulstraße 1, A-6850 Dornbirn, Austria; 2: Cavendish Laboratory, University of Cambridge, J.J. Thomson Avenue, Cambridge, CB3 0HE, UK; 3: Institute of Semiconductor Optics and Functional Interfaces, University of Stuttgart, Stuttgart, Germany; 4: Department of Physics, Sapienza University of Rome, Piazzale A. Moro 5, 00185 Rome, Italy; 5: Department of Physics, University of Oviedo, C/ Federico García Lorca nº 18, 33007, Oviedo, Spain; 6: Institute of Semiconductor and Solid State Physics, Johannes Kepler University, Altenbergerstraße 69, A-4040 Linz, Austria

Ultrafast Laser Processing of Copper and Silicon at High-Repetition Rates up to 15 GHz

Valeria Viviana Belloni¹, Maxime Pinaud¹, Hugo Delahaye¹, Luca Furfaro¹, Lilia Pontagnier², Giorgio Santarelli², Eric Cormier², Luc Froehly¹, Francois Courvoisier¹

1: Université Marie et Louis Pasteur, CNRS, institut FEMTO-ST, F-25000 Besançon, France; 2: Laboratoire Photonique Numérique et Nanosciences (LP2N), UMR 5298, CNRS-IOGS-Université Bordeaux, 33400 Talence, France

The Impact of Dynamic Burst Mode and Intraburst Separation Time on Volume Removal and Surface Quality in Laser Ablation of Stainless Steels Using Ultrashort Pulsed Lasers

Dirk Obergfell^1,2, Bahman Azarhoushang¹, Andrés Fabián Lasagni^2,3

1: Hochschule Furtwangen, Germany; 2: Technische Universität Dresden, Germany; 3: Fraunhofer IWS, Germany

Comparison of different femtosecond laser drilling technologies for through glass via (TGV) fabrication in customised glass interposers

Dimitris Karnakis, Mostafa Hassan

Oxford Lasers Ltd, United Kingdom

Formation of through-glass vias (TGVs) in glass substrates using femtosecond laser operating in MHz GHz burst mode

Deividas Andriukaitis¹, Evaldas Kažukauskas², Aleksandras Kondratas³, Juozas Dudutis³

1: Ekspla, Savanoriu ave. 237, Vilnius, Lithuania; 2: Laser Research Center, Vilnius University, Sauletekio ave. 10, Vilnius, Lithuania; 3: Center for Physical Sciences and Technology, Savanoriu ave. 231, Vilnius, Lithuania

Drilling of Through-Glass Vias (TGVs) with Femtosond GHz Burst Mode and Selective Laser Etching

Simas Butkus^1,2, Kamilė Kasačiūnaitė¹, Mykolas Karpavičius¹, Domas Baliukonis¹

1: Light Conversion, Lithuania; 2: Vilnius University, Laser Research Center

258nm UV ultrafast laser microprocessing of fused-silica

Jan Novotný, Libor Mrna

Institute of Scientific Instruments of the CAS, v. v. i., Czech Republic

Ultrafast Laser Bessel Beam Interaction with Fused Silica in Single Pulse, MHz-Burst, and GHz-Burst

Théo Guilberteau^1,2, Pierre Balage¹, Manon Lafargue^1,3, John Lopez¹, Laura Gemini², Inka Manek-Hönninger¹

1: Université de Bordeaux-CNRS-CEA, CELIA UMR 5107, 33405 Talence, France; 2: ALPhANOV, Rue François Mitterrand, 33400 Talence, France; 3: Amplitude, Cité de la Photonique, 11 Avenue de Canteranne, 33600 Pessac, France

Laser-based form correction of fused silica optics

Emrah Uluz

Fraunhofer-Institut for Laser Technology, Germany

Invited Talk: Femtosecond GHz Burst Lasers: A Versatile Tool for Advanced Glass Processing

Miglė Mackevičiūtė, Laimis Zubauskas, Juozas Dudutis, Edgaras Markauskas, Paulius Gečys, Gediminas Račiukaitis

FTMC – Center for Physical Sciences and Technology, Savanoriu Ave 231, LT-02300 Vilnius, Lithuania

GHz femtosecond bust laser for high-quality and efficient deep engraving

Roberta Ruffilli¹, Riccardo Conzatti¹, Martina Pagani¹, Caterina Gaudiuso², Antonio Ancona², Alessandro Greborio¹

1: Lithium Lasers, Via Zeni 8, 38068 Rovereto, Italy; 2: Istituto di Fotonica e Nanotecnologie (IFN)-CNR U.O.S. Bari, via Amendola 173, 70126 Bari, Italy

Multi-laser process machining of highly efficient polycrystalline diamond micro-drills

{Dr.} Paul Butler-Smith¹, {Dr} Mitchell Leering¹, {Dr} Ben Mason¹, {Mr} George Slater¹, {Mr} Raphael Ragueneau², {Dr} Sundar Marimuthu¹

1: The Manufacturing Technology Centre, United Kingdom; 2: Diamoutils, France

Femtosecond laser drilling of plastic capsules for targets fabrication

Remy Bourdenet, Isabelle Geoffray

CEA, DAM, centre de Valduc, 21120 Is Sur Tille, France

Femtosecond Laser Processing for Cutting Tool Optimization: Edge Structuring and Surface Texturing for Improved Performance

Aldara Pan Cabo^1,2, Lorena Lozada Cabezas^1,2, Tomás Soria Biurrun^1,2, Iñigo Ramón Conde^1,2, Enrique Castaño Carmona^1,2, Jose Manuel Sánchez Moreno^1,2, Santiago Miguel Olaizola Izquierdo^1,2

1: CEIT-Basque Research and Technology Alliance (BRTA), Manuel Lardizabal 15, 20018 Donostia / San Sebastián, Spain.; 2: Universidad de Navarra, Tecnun, Manuel Lardizabal 13, 20018 Donostia / San Sebastián, Spain.

AI-driven optimization of femtosecond laser micromachining parameters

Céline Petit¹, David Bruneel¹, Nathanaël Mariaule², Sven Wauters², Arnaud De Decker²

1: LASEA BE, Belgium; 2: SAGACIFY, Belgium

Parameter optimization for femtosecond laser cutting of various polymers

Arnas Vyšniauskas^1,2, Laimis Zubauskas¹, Evaldas Kažukauskas^2,3, Valdemar Stankevič^1,2, Paulius Gečys¹

1: Center for physical sciences and technology (FTMC), Savanoriu Ave. 231, LT-02300, Vilnius, Lithuania.; 2: Akoneer, Ltd, Mokslininku 6B, LT-08412, Vilnius, Lithuania.; 3: Laser Research Center, Faculty of Physics, Vilnius University, Sauletekio Ave. 10, LT-10223 Vilnius, Lithuania.

Experimental and modeling of thermal ablation effects on polymers at MHz femtosecond laser irradiation

Andrés Pérez Bernabeu¹, Daniel Puerto^1,2, José Reyna¹, Sergi Gallego^1,2, Andrés Márquez^1,2, Inmaculada Pascual^1,3, Augusto Beléndez^1,2

1: Dept. Física, Ingeniería de Sistemas y Teoría de la Señal, Universidad de Alicante, Spain; 2: I. U. Física Aplicada a las Ciencias y las Tecnologías, Universidad de Alicante, Spain; 3: Dept. Óptica, Farmacología y Anatomía, Universidad de Alicante, Spain

Sensor-Based On-the-Fly Laser Processing

Georg Hoppe¹, Jale Schneider¹, Eduardo Alvarez¹, Jan Nekarda¹, Ralf Preu¹, Moritz Diehl², Fabian Meyer¹

1: Fraunhofer ISE; 2: IMTEK, Universität Freiburg

Innovative applications of acoustic monitoring in ultra-short pulse laser microprocessing

Joaquín Rivera-Sahún¹, Martín Trullén¹, Pablo Angurel¹, Alejandro Frechilla¹, Can Özcelik¹, Elena Martínez¹, José R. Beltrán², Germán F. de la Fuente¹, M. Pilar Alonso³, Jonathan Fin⁴, Rémy Chapoulie⁴, Luis A Angurel¹

1: Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC-University of Zaragoza, Zaragoza, Spain; 2: Instituto de Investigación en Ingeniería de Aragón (I3A), University of Zaragoza, Zaragoza, Spain; 3: Área de Historia del Arte, Departamento de Historia, Geografía y Comunicación, Unidad Asociada de I+D+i al CSIC “VIMPAC”, University of Burgos, Burgos, Spain; 4: Archéosciences Bordeaux UMR 6034, CNRS, University Bordeaux Montaigne, France

Study of Tangential Laser Micromachining Using Ultra-Short Pulses for Roughing Operations with Adaptive Path Control

Adam Cermak, Martin Novak, Pavel Zeman

Department of Production Machines and Equipment (RCMT), Faculty of Mechanical Engineering, Czech Technical University in Prague, Technicka Street 4, 16000, Prague 6, Czech Republic

Invited Talk: Upscaling Two Photon Polymerization for Macroscale Fabrication

Franziska Chalupa-Gantner^1,2, Thomas Koch³, Markus Lunzer⁴, Stefan Binder¹, Aleksandr Ovsinaikov^1,2

1: Research Group 3D Printing and Biofabrication, Institute of Materials Science and Technology, TU Wien, 1060 Vienna, Austria; 2: Austrian Cluster for Tissue Regeneration (https://www.tissue-regeneration.at), Austria; 3: Research Group for Structural Polymers, Institute of Materials Science and Technology, TU Wien, 1060 Vienna, Austria; 4: UpNano GmbH, 1030 Vienna, Austria

Mode-cleaning, a passive stabilization of femto-second laser beams to enhance micro-processing

Dmitry Nuzhdin, Mahmoud Ziat, Gwenn Pallier, Guillaume Labroille

Cailabs, France

Higher efficiency of femtosecond laser processing using spatial beam engineering

Eric AUDOUARD¹, Marie FLEUREAU¹, Benoit MORIN¹, Amina ARAHOUNI², Jean Michel ROMANO², Frédéric MERMET²

1: Amplitude, France; 2: IREPA laser, Illkirch, FRANCE

Hollow-core Fiber Beam Delivery of High-Power Ultrashort Pulses for Laser Micromachining

Paul Froemel, Sebastian Eilzer, Andreas Rudolf

PT Photonic Tools GmbH, Germany

Pump–Probe Imaging of GHz Surface Waves for Young’s Modulus Measurement

Ramon Auer¹, Ruben Burger^1,2, Goran Hallum¹, Dennis Schweiger¹, David Redka¹, Matthias Domke³, Datong Wu¹, Heinz Huber¹

1: University of applied science Munich, Germany; 2: Technical University of Munich, Germany; 3: Vorarlberg University of Applied Sciences, Austria

The role of material specific nanomorphology for formation of laser-induced-periodic-surface-structures

Nicolas Thorsten Thomae¹, David Sebastian Redka^1,2, Darshit Jangid³, Maximilian Spellauge¹, Constanze Eulenkamp¹, Christian Schwalb³, Ján Minár², Heinz Paul Huber¹

1: Munich University of Applied Sciences HM, Munich DE-80335, Germany; 2: New Technologies Research Center, University of West Bohemia, Plzen CZ-30100, Czech Republic; 3: Quantum Design Microscopy GmbH, Pfungstadt DE-64319, Germany

Time-Resolved Digital Holography for Understanding Surface Roughness Evolution in Laser Deep Engraving

Simas Butkus, Balys Momgaudis, Evaldas Kažukauskas

Vilnius University, Laser Research Center, Lithuania

Challenges in ultrashort pulse laser ablation: efficiency limits, ripple formation and incubation

Maximilian Spellauge^1,2, David Sebastian Redka^1,3, Nicolas Thomae¹, Ramon Auer¹, Julian Vollmann¹, Carlos Doñate-Buendia⁵, Bilal Gökce⁴, Stephan Barcikowski², Daniel Förster¹, Heinz Paul Huber^1,3

1: Munich University of Applied Sciences, Germany; 2: University of Duisburg-Essen, Germany; 3: University of West Bohemia, Czech Republic; 4: University of Wuppertal, Germany; 5: University Jaume I, Spain

Ultrashort Pulse Laser-Assisted Sample Preparation for High-Resolution X-Ray Microscopy

Hardik Vaghasiya, Murilo Izodoro Santos, Paul-Tiberiu Miclea

Fraunhofer Center for silicon photovoltaics, Germany

Invited Talk: Compact and easy-to-use device for automated laser-based synthesis of colloidal nanoparticles

Friedrich Waag

Nanonium GmbH, Katernberger Straße 107, 45327 Essen, Germany

Using lasers to produce nanofibers

Félix Quintero^1,4, Joaquín Penide², Raúl Barciela^1,4, Mónica Fernández-Arias^1,4, Antonio Riveiro^4,5, Jesús del Val³, Rafael Comesaña^4,5, Juan Pou^1,4

1: Applied Physics Department, University of Vigo, Spain; 2: Medical & Engineering Technologies, GMIT, Ireland; 3: Defense University Center, Spanish Naval Academy, Spain; 4: CINTECX, University of Vigo, LaserON, Spain; 5: Materials Engineering, Applied Mechanics and Const. Dept. University of Vigo, Spain

Antibiofouling behaviour of Low Spatial Frequency LIPSS (LSFL) via femtosecond Laser Surface Texturing

Liliana Papa^1,2, Adam Hansson^4,5, Caterina Gaudiuso², Annalisa Volpe^1,2, Francesco Paolo Mezzapesa², Matias Berglin^3,4, Anders Lundgren³, Antonio Ancona^1,2,5

1: Intercollegiate Department of Physics “M. Merlin”, University of Bari and Polytechnic University of Bari, Via G. Amendola 173, 70125 Bari, Italy; 2: National Research Council (CNR), Institute for Photonics and Nanotechnologies (IFN), Via G. Amendola 173, 70125 Bari, Italy; 3: Department of Chemistry and Molecular Biology, University of Gothenburg, Gothenburg 40530,Sweden; 4: Department of Chemistry and Materials, RISE Research Institutes of Sweden, Borås 50115, Sweden; 5: Department of Engineering Science, University West, Trollhättan, 461 86, Sweden

Pulsed Laser Ablation in Liquids Using Donut-Shaped Beams: A new approach for nanoparticle size control

Abdel Rahman Altakroury¹, Oleksandr Gatsa², Farbod Riahi¹, Zongwen Fu¹, Miroslava Flimelová², Andrei Samokhvalov¹, Stephan Barcikowski³, Carlos Doñate-Buendía^1,4, Alexander V. Bulgakov², Bilal Gökce¹

1: Chair of Materials Science and Additive Manufacturing, School of Mechanical Engineering and Safety Engineering, University of Wuppertal; 2: HiLASE Centre, FZU - Institute of Physics of the Czech Academy of Sciences; 3: Technical Chemistry I and Center for Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen; 4: GROC·UJI, Institute of New Imaging Technologies, Universitat Jaume I

Laser gas and centrifugal atomization

Yuri Chivel

MerPhotonics, France

From Synthesis to Cure: Laser Synthesized Copper Sulphide Nanoparticles in Biomedical Applications

Umut Taylan^1,2, Samet Akçimen², Ismail Eş^2,3, Beyza Nur Küçük², Esra Kendir Tekgül², Çağatay Çelebi⁴, Yasin Kumru⁴, Hayrettin Köymen^2,4, Fatih Inci², Bülend Ortaç²

1: Swiss Federal Laboratories for Materials Science and Technology (Empa), Feuerwerkerstrasse 39, 3600, Thun, Switzerland; 2: National Nanotechnology Research Center (UNAM), Institute of Materials Science and Nanotechnology, Bilkent University, 06800 Ankara, Türkiye; 3: Department of Engineering Science, Institute of Biomedical Engineering (IBME), University of Oxford, OX3 7DQ Oxford, UK; 4: Acoustic and Underwater Technologies Research Center (BASTA), Department of Electrical and Electronics Engineering, Bilkent University, 06800 Ankara, Türkiye

Selective laser induced metallization of dielectrics for electronic applications

Modestas Sadauskas, Šarūnas Mickus, Evaldas Kvietkauskas, Viktorija Vrubliauskaitė, Justina Žemgulytė, Paulius Ragulis, Karolis Ratautas, Romualdas Trusovas

FTMC - Fizinių ir technologijos mokslų centras, Lithuania

UV laser nanostructuring for the selective growth of high-quality III-V semiconductor layers

Julian Hürtgen¹, Serhiy Danylyuk¹, Yilmaz Dikme²

1: Fraunhofer Insitute for Laser Technology ILT, Germany; 2: Element 3-5 GmbH, Germany

Demonstration of etch depth limitation by evanescent-light-assisted etching of n-GaAs

Kaito Miyakoda¹, Hirofumi Hidai^1,2, Sho Itoh^1,3, Souta Matsusaka¹

1: Department of Mechanical Engineering, Chiba University, Japan; 2: Molecular Chirality Research Center, Chiba University, Japan; 3: Faculty of Engineering Technology and Science, Higher Collerges of Technology, United Arab Emirates

Determining the electric properties and proportionality factor of digitally printed and laser-sintered strain gauges for tensile stress measurement

Samuel Moritz Fink, Martin Shulevski

Fraunhofer-Institut für Lasertechnik ILT, Germany

Modification mechanisms on 4HN-SiC and 6H-SiC wafers using picosecond laser ablation: a comparative study of Deep-UV and UV technologies

YIYUN KANG¹, Mareike Schäfer², Alexej Belakowski¹, Fabian Soerensen¹, Ralf Knappe¹, Johannes L'huillier²

1: Coherent Kaiserslautern GmbH, Germany; 2: Institut für Oberflächen und Schichttechnik GmbH

Micro-Polishing of 4H-SiC Surfaces Using Femtosecond Laser Vector Beams and Wobble-Based Scanning

Chung-Wei Cheng^1,2, Che Tseng¹, Jia Fan Guo^1,2

1: National Yang Ming Chiao Tung University, Taiwan; 2: Heterogeneously-integrated Silicon Photonic Integration Center, National Taiwan University of Science and Technology, No. 43, Section 4, Keelung Road, Taipei 106, Taiwan

High speed femtosecond laser battery processing

Eric AUDOUARD¹, Marie FLEUREAU¹, Quentin MOCAER¹, Amina ARAHOUNI², Jean Michel ROMANO², Frédéric MERMET²

1: Amplitude, Pessac, FRANCE; 2: IREPA laser, Illkirch, FRANCE

Micro-processing improvement with a 0.07 uniformity square top-hat at 200fs, 400µJ and 1030nm, based on Multi-Plane Light Conversion

Mahmoud Ziat¹, Dmitry Nuzhdin¹, Kerim Yildirim², Mian Monib Ur Rehman², Balasubramanian Nagarajanb², Gwenn Pallier¹, Guillaume Labroille¹, Sylvie Castagne²

1: Cailabs, France; 2: KU Leuven, Belgium

Laser-Based Drying of PEMFC Catalyst Layers

Manuella Guirgues

Fraunhofer ILT, Germany

Scaling effects of fast laser drying processes in battery production

Delil Demir

Fraunhofer Institute for Laser Technology ILT, Germany

Efficiency of Spatial Shaping of Femtosecond Laser Beams with a Feedback Loop for Surface Patterning

Bahia Najih^2,3, Cyril Mauclair¹, Martin Delaigue², Florent Bourquard³

1: Univ Angers LPHIA SFR MATRIX F-49000 Angers France; 2: Amplitude laser, laboratoire Hubert Curien, France; 3: Laboratoire Hubert Curien UMR 5516 CNRS Université Jean Monnet Saint-Étienne France

Efficiency loss in ultrafast laser ablation due to spatial light modulator limitations in beam shaping

Bahia Najih^2,3, Martin Delaigue², Florent Bourquard³, Cyril Mauclair¹

1: Univ Angers, LPHIA, SFR MATRIX, F-49000 Angers, France; 2: Amplitude, Pessac, France; 3: Laboratoire Hubert Curien, UMR 5516 CNRS, Université Jean Monnet, Saint-Étienne, France

Indentation technique based on laser-induced shock waves for material testing with moving specimen

Laurin Schaper¹, Tim Radel^1,2

1: BIAS - Institute of Applied Beam Technology, 28359 Bremen, Germany; 2: MAPEX Center for Materials and Processes, Postfach 330 440, 28334 Bremen, Germany

Fabrication of Sub-10 µm Size Asymmetric Microstructures by Mask Projection Laser Ablation

Umut Taylan, Benjamin Minnig, Nicolas Zaugg, Patrik Hoffmann

Swiss Federal Laboratories for Materials Science and Technology (EMPA), Switzerland

Effect of Thin-Film Overcoat Thickness on Femtosecond Laser Damage Resistance

jing meng

Optimax Systems Inc. , United States of America

Laser Structuring of Thin Glass using a Surface-Absorbing Layer

Eric YJ Vancoille

JohTho Engineering, Belgium

Laser nanostructuring of diamond-like carbon coatings deposited by PECVD on PC substrates

Diego Gallego, Aldara Pan, Iñigo Ramón, Gemma García Mandayo, Ainara Rodríguez, Isabel Ayerdi

Asociación Centro tecnológico Ceit, Spain

Laser-Generated Reflection Gratings on Shape Memory Actuators

Damian L. Haske¹, Jan Marx¹, Marvin Schuleit¹, Evgeny L. Gurevich², Cemal Esen¹, Andreas Ostendorf¹

1: Applied Laser Technologies, Ruhr University Bochum, Universitätsstraße 150, 44801 Bochum, Germany; 2: Laser Center (LFM), University of Applied Sciences Münster, Stegerwaldstraße 39, 48565 Steinfurt, Germany