• ICALEO 2012 Paper #M508 (Influence of Surrounding Gas Type and Pressure Condition on Micro-Drilling of Silicon Carbide by Harmonics of Nd:YAG Laser)

    Influence of Surrounding Gas Type and Pressure Condition on Micro-Drilling of Silicon Carbide by Harmonics of Nd:YAG Laser
    Authors:
    Yasuhiro Okamoto, Okayama Univ.; Okayama Japan
    Shin Urushibata, Okayama Univ.; Okayama Japan
    Akira Okada, Okayama Univ.; Okayama Japan
    Tomokazu Sakagawa, Kataoka Corporation; Yokohama Japan
    Shin-ichi Nakashiba, Kataoka Corporation; Yokohama Japan
    Presented at ICALEO 2012

    In this study, micro-machining characteristics of silicon carbide by the fundamental and the three kinds of harmonic of Nd:YAG laser were experimentally investigated in the viewpoints of wavelength and the surrounding condition. Moreover, micro-ma...

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  • ICALEO 2012 Paper #M601 (Selective Femtosecond Laser Structuring of a Platinum/Tantalum Pentoxide Thin Film Layer System by Induced Laser Ablation Investigated with Pump-Probe Microscopy)

    Selective Femtosecond Laser Structuring of a Platinum/Tantalum Pentoxide Thin Film Layer System by Induced Laser Ablation Investigated with Pump-Probe Microscopy
    Authors:
    Janosch Rosenberger, Munich Univ. of Applied Sciences; Munich Germany
    Stephan Rapp, Munich Univ. of Applied Sciences; -
    Matthias Domke, Munich Univ. of Applied Sciences; Munich Germany
    Gerhard Heise, Munich Univ. of Applied Sciences; Munich Germany
    Heinz P. Huber, Munich Univ. of Applied Sciences; Munich Germany
    Presented at ICALEO 2012

    A biocompatible sensor chip consists of a 200 nm conducting platinum layer between a glass substrate and a 200 nm tantalum pentoxide layer ...

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  • ICALEO 2012 Paper #M602 (Line Beam Laser Lift-Off Approach for Sapphire Removal)

    Line Beam Laser Lift-Off Approach for Sapphire Removal
    Authors:
    Ralph Delmdahl, Coherent GmbH; Goettingen Germany
    Rainer Paetzel, Coherent GmbH; Goettingen Germany
    Jan Brune, Coherent GmbH; Goettingen Germany
    Rolf Senczuk, Coherent GmbH; Goettingen Germany
    Christian Gossler, Fraunhofer Institute for Applied Solid State Physics IAF; Freiburg Germany
    Ruediger Moser, Fraunhofer Institute for Applied Solid State Physics IAF; Freiburg Germany
    Michael Kunzer, Fraunhofer Institute for Applied Solid State Physics IAF; Freiburg Germany
    Ulrich Schwarz, Fraunhofer Institute for Applied Solid State Physics IAF; Freiburg Germany

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  • ICALEO 2012 Paper #M603 (Evaluation of Damaged Region at the Groove Edge of TCO Film in Pulsed Fiber Laser Processing)

    Evaluation of Damaged Region at the Groove Edge of TCO Film in Pulsed Fiber Laser Processing
    Authors:
    Yasuhiro Okamoto, Okayama Univ.; Okayama Japan
    Naoya Takahashi, Okayama Univ.; Okayama Japan
    Shin-ichi Nakashiba, Kataoka Corporation; Yokohama Japan
    Tomokazu Sakagawa, Kataoka Corporation; Yokohama Japan
    Akira Okada, Okayama Univ.; Okayama Japan
    Presented at ICALEO 2012

    A pulsed fiber laser has been widely used for the removal of TCO film, since it is the compact oscillator with the flexible processing head. However, the wide range of emission wavelength from the fiber laser would deteriorate the edge quality of groove such as cracks and burr...

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  • ICALEO 2012 Paper #M604 (Ultrafast Movies of Thin Metal Film Ablation with Ultra-Short Laser Pulses)

    Ultrafast Movies of Thin Metal Film Ablation with Ultra-Short Laser Pulses
    Authors:
    Matthias Domke, Munich Univ. of Applied Sciences; Munich Germany
    Stephan Rapp, Munich Univ. of Applied Sciences; Munich Germany
    Gerhard Heise, Munich Univ. of Applied Sciences; Munich Germany
    Heinz P. Huber, Munich Univ. of Applied Sciences; Munich Germany
    Presented at ICALEO 2012

    Laser lift-off processes have been observed during structuring CIS (copper-indium-diselenide) thin film solar cells with ultra-short laser pulses, if a thin molybdenum film is irradiated from the glass substrate side.
    To investigate the underlying physical effects, ultrafast pump-probe microscopy...

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  • ICALEO 2012 Paper #M605 (Mechanism of Selective Removal of Transparent Conductive Oxide Layers: Femtosecond vs. Picosecond- Laser Pulse Ablation)

    Mechanism of Selective Removal of Transparent Conductive Oxide Layers: Femtosecond vs. Picosecond- Laser Pulse Ablation
    Authors:
    Victor Matylitsky, High Q Laser GmbH; Rankweil Austria
    Heinz Huber, Laser Center, Munich Univ. of Applied Science; Munich Germany
    Juerg Aus der Au, High Q Laser GmbH; Rankweil Austria
    Presented at ICALEO 2012

    High average power, high repetition rate ultrashort pulse (

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  • ICALEO 2012 Paper #M702 (Comparison Study of Sub Microstructure Generation on Metals Between Femtosecond Ti:Sa Laser and High Repetition Yb Doped Fiber Laser)

    Comparison Study of Sub Microstructure Generation on Metals Between Femtosecond Ti:Sa Laser and High Repetition Yb Doped Fiber Laser
    Authors:
    Marc Faucon, ALPhANOV; Talence France
    Hélène Desrus, ALPhANOV; -
    John Lopez, Univ. Bordeaux 1; Talence France
    Rainer Kling, ALPhANOV; Talence Cedex France
    Presented at ICALEO 2012

    Sub microstructures on metal surfaces find a manifold of applications ranging from anti-icing to terahertz detectors. So far demonstrations have been realized with femtosecond Ti:Sa laser only. To obtain a high throughput and industrially relevant texturation process a comparison of femtosecond processing is given between low repetition...

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  • ICALEO 2012 Paper #M703 (Femtosecond Laser Ablation of Dentin)

    Femtosecond Laser Ablation of Dentin
    Authors:
    Sandra Alves, Instituto Superior Tecnico and ICEMS Instituto de Ciência e Engenharia de Materiais e Superfícies, Universidade Tecnica de Lisboa; -
    Rui Vilar, Instituto Superior Tecnico and ICEMS Instituto de Ciência e Engenharia de Materiais e Superfícies, Universidade Tecnica de Lisboa; Lisbon Portugal
    Vitor Oliveira, Instituto Superior de Engenharia de Lisboa and ICEMS Instituto de Ciência e Engenharia de Materiais e Superfícies; -
    Liliana Cangueiro, Instituto Superior Tecnico and ICEMS Instituto de Ciência e Engenharia de Materiais e Superfícies, Universidade Tecnica de Lisboa; -
    Ame...

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  • ICALEO 2012 Paper #M706 (Laser Surface Texturing of Bioactive Materials)

    Laser Surface Texturing of Bioactive Materials
    Authors:
    Antonio Riveiro, Centro Univ. de la Defensa, Escuela Naval Militar; Marín Spain
    R. Soto, Applied Physics Department, ETSII, Univ. of Vigo; Vigo Spain
    Rafael Comesaña, Applied Physics Department, ETSII, Univ. of Vigo; Vigo Spain
    Mohamed Boutinguiza, Applied Physics Department, ETSII, Univ. of Vigo; Vigo Spain
    Jesus del Val, Applied Physics Department, ETSII, Univ. of Vigo; Vigo Spain
    Felix Quintero, Applied Physics Department, ETSII, Univ. of Vigo; Vigo Spain
    Fernando Lusquiños, Applied Physics Department, ETSII, Univ. of Vigo; Vigo Spain
    Juan Pou, Applied Physics D...

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  • ICALEO 2012 Paper #M802 (Laser Scribing of ITO/ZnO Thin Films on Flexible PET-Foil for Roll-to-Roll Production of Polymer Solar Cells)

    Laser Scribing of ITO/ZnO Thin Films on Flexible PET-Foil for Roll-to-Roll Production of Polymer Solar Cells
    Authors:
    Susana Abreu Fernandes, Applied Laser Technology, Ruhr-Univ. Bochum; Bochum Germany
    Benjamin Schöps, Applied Laser Technology, Ruhr-Univ. Bochum; -
    Kerstin Kowalick, Applied Laser Technology, Ruhr-Univ. Bochum; Bochum
    Shizhou Xiao, Applied Laser Technology, Ruhr-Univ. Bochum; -
    Ralf Nett, Applied Laser Technology, Ruhr-Univ. Bochum; -
    Evgeny Gurevich, Applied Laser Technology, Ruhr-Univ. Bochum; -
    Matthias Schindler, Applied Laser Technology, Ruhr-Univ. Bochum; -
    Andreas Ostendorf, Applied Lase...

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