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  • ICALEO 2009 Paper #M202 (Adaptive Spatio-Temporal Techniques for Smart Ultrafast Laser Processing of Optical Glasses (Invited Presentation, 30 minutes))

    Adaptive Spatio-Temporal Techniques for Smart Ultrafast Laser Processing of Optical Glasses (Invited Presentation, 30 minutes)
    Authors:
    Razvan Stoian, Laboratoire Hubert Curien; Saint Etienne France
    Alexandre Mermillod-Blondin, -; -
    Cyril Mauclair, -; -
    Guanghua Cheng, -; -
    Konstantin Mishchik, -; -
    Arkadi Rosenfeld, -; -
    Nadezhda M. Bulgakova, -; -
    Yuri P. Meshcheryakov, -; -
    Eric Audouard, -; -
    Ingolf V. Hertel, -; -
    Presented at ICALEO 2009

    Ultrafast lasers emerged as efficient tools to process transparent materials on minimal scales. Localized refractive index change...

    $28.00

  • ICALEO 2009 Paper #M1109 (Superior Laser Processing with Flat Top Profiles in Solar Cell Technology)

    Superior Laser Processing with Flat Top Profiles in Solar Cell Technology
    Authors:
    Oliver Homburg, Limo Lissotschenko Mikrooptik Gmbh; Dortmund Germany
    Benita Braun, -; -
    Ulrich Jager, -; -
    Friedrich Lottspeich, -; -
    Andreas Grohe, -; -
    Thomas Mitra, -; -
    Presented at ICALEO 2009

    Direct laser patterning of various materials has found its way into several micro-system production lines like inkjet printing, solar cell technology, flat-panel display production, semiconductors and medical treatment. Typically, TEM00 single-mode solid state lasers and their higher harmonics are used, especially for machining of holes and trenches....

    $28.00

  • ICALEO 2009 Paper #M1108 (The Effective Energy Efficiency and the Over Filling Factor of Thin Film Ablation Process with Lasers of Different Beam Shape)

    The Effective Energy Efficiency and the Over Filling Factor of Thin Film Ablation Process with Lasers of Different Beam Shape
    Authors:
    Keming Du, EdgeWave GmbH; Wurselen Germany
    Presented at ICALEO 2009

    Structuring and patterning of thin layer via selective laser ablation is one of the key technologies in production of display and photovoltaic. Concurrently, there are two ablation processes used in production of thin film solar: Scribing via selective ablation and edge isolation via deletion. Beside the wave length, the pulse length and the peak power, the beam profile of the laser is of essential importance for the efficiency of the ablation process and for the productivity. The most currently...

    $28.00

  • ICALEO 2009 Paper #M1107 (Optimization of the Structuring Processes of CI(G)S Thin-Film Solar Cells with an Ultrafast Picosecond Laser and a Special Beam Shaping Optics)

    Optimization of the Structuring Processes of CI(G)S Thin-Film Solar Cells with an Ultrafast Picosecond Laser and a Special Beam Shaping Optics
    Authors:
    Erwin Steiger, Steiger LaserService; Maisach Germany
    Michael Scharnagl, High Q Laser Innovation GmbH; Hohenems Austria
    Matthias Kemnitzer, Munich University of Applied Sciences; Munchen Germany
    Alexander Laskin, MolTech GmbH; Berlin Germany
    Presented at ICALEO 2009

    Low cost CuIn(Ga)Se2 (CI(G)S), CdTe and GaAs thin film solar cells with photosensitive film thicknesses in the range of a few microns - either on thick flat glass substrates or thin flexible substrates like plastic or metal foils - are gaining gr...

    $28.00

  • ICALEO 2009 Paper #M1106 (Lasers in the Green Revolution)

    Lasers in the Green Revolution
    Authors:
    Jie Fu, J P Sercel Associates, Inc.; Manchester NH USA
    Marco Mendes, J P Sercel Associates, Inc.; Manchester NH USA
    Xiangyang Song, J P Sercel Associates, Inc.; Manchester NH USA
    Cristian Porneala, J P Sercel Associates, Inc.; Manchester NH USA
    Matt Hannon, J P Sercel Associates, Inc.; Manchester NH USA
    Jeff Sercel, J P Sercel Associates, Inc.; Manchester NH USA
    Presented at ICALEO 2009

    Lasers are becoming increasingly important in the current global green revolution. Two areas of particular importance are light-emitting diodes (LEDs) and solar cells. LEDs are poised to revolutionize the gen...

    $28.00

  • ICALEO 2009 Paper #M1105 (Cutting Performance Comparison Between Low Power LPSS and sm Fiber Laser for Mono and Polycrystalline Silicon Wafers)

    Cutting Performance Comparison Between Low Power LPSS and sm Fiber Laser for Mono and Polycrystalline Silicon Wafers
    Authors:
    Mohammed Naeem, GSI Group, Inc. - Laser Division; Rugby Great Britain
    Presented at ICALEO 2009

    Silicon is widely used in a number of industries but primarily in solar cells and in semiconductor manufacture, with growing applications in jewelry and entertainment goods. In the majority of applications the source material is in the form of wafers which are typically 0.2-1.5mm (thick and 100-300mm diameter. From the flat faces of the octagons they laser cut a flat rectangular wafer that is then further processed to become a solar cell. Cutting speed and yield are important ...

    $28.00

  • ICALEO 2009 Paper #M1104 (High Rate Laser Drilling and Texturing of Silicon)

    High Rate Laser Drilling and Texturing of Silicon
    Authors:
    Henrikki Pantsar, Fraunhofer USA; Plymouth MI USA
    Tim Lauterborn, Frauhofer Usa, Inc.; Plymouth MI USA
    Annerose Knorz, Fraunhofer Institute for Solar Energy Systems; Freiburg Germany
    Hans Herfurth, Fraunhofer Usa, Inc.; Plymouth MI USA
    Stefan Heinemann, Fraunhofer Usa, Inc.; Plymouth MI USA
    Presented at ICALEO 2009

    Laser technology offers various opportunities for solar cell manufacturing. The key success factor for many of these is processing velocity. Applications such as surface texturing for light trapping and drilling for wrap through emitters require substantial amounts of featur...

    $28.00

  • ICALEO 2009 Paper #M1102 (Thin Film Solar Cell Scribing Using Water Jet-Guided Laser Technology)

    Thin Film Solar Cell Scribing Using Water Jet-Guided Laser Technology
    Authors:
    Mathilde Gobet, Synova SA; Ecublens Switzerland
    Nandor Vago, Synova Sa; Ecublens Switzerland
    Michael Pavius, Synova Sa; Ecublens Switzerland
    Michael Helmes, Synova Sa; Ecublens Switzerland
    Alexandre Pauchard, Synova Sa; Ecublens Switzerland
    Presented at ICALEO 2009

    The water jet-guided laser technology has found a broad range of applications in the micromachining field. Its principle is to focus a laser beam into a hair-thin, low-pressure water jet, onto the sample. This hybrid system prevents heat damage to the material by cooling the cutting edges in between the l...

    $28.00

  • ICALEO 2009 Paper #M1101 (Advantages of using DPSS Nanosecond Laser with a Gaussian Beam Shape for Scribing Thin Film Photovoltaic Panels)

    Advantages of using DPSS Nanosecond Laser with a Gaussian Beam Shape for Scribing Thin Film Photovoltaic Panels
    Authors:
    Ashwini Tamhankar, Spectra-Physics Lasers; Mountain View CA USA
    Gonzalo Guadano, Spectra-Physics Lasers; Mountain View USA
    James Bovatsek, Spectra-Physics Lasers; Mountain View CA USA
    Rajesh Patel, Spectra-Physics Lasers; Mountain View CA USA
    Presented at ICALEO 2009

    Laser scribing of various thin film materials is a key process in manufacturing of thin film photovoltaic (PV) panels. In recent years, PV industry has adopted the use of high-power nanosecond-pulse diode pumped solid state (DPSS) Q-switch lasers to increase precision and th...

    $28.00

  • ICALEO 2009 Paper #M108 (Generation and Amplification of Ultra-short-pulsed Vacuum Ultraviolet Radiation)

    Generation and Amplification of Ultra-short-pulsed Vacuum Ultraviolet Radiation
    Authors:
    Masahito Katto, University of Miyazaki; Miyazaki Japan
    Atushi Yokotani, University of Miyazaki; Miyazaki Japan
    Masanori Kaku, University of Miyazaki; Miyazaki Japan
    Shoichi Kubodera, University of Miyazaki; Miyazaki Japan
    Noriaki Miyanaga, Osaka University; Suita Japan
    Presented at ICALEO 2009

    We have been developing high intense vacuum ultraviolet (VUV) radiations for the advanced applications such as micro and precise processing and photochemical reactions. We had proposed a noval VUV laser system to generate sub-ps pulses at the wavelength of 126nm. A s...

    $28.00

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