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  • ICALEO 2010 Paper #P139 (Color Change in Laser Cutting of Paper Material)

    Color Change in Laser Cutting of Paper Material
    Authors:
    Alexander Stepanov, Lappeenranta University of Technology, Faculty of Technology, Laser Processing Research Group (Laboratory of Welding Technology and Laser Processing); Lappeenranta Finland
    Heidi Piili, Lappeenranta University of Technology, Faculty of Technology, Laser Processing Research Group (Laboratory of Welding Technology and Laser Processing); Lappeenranta Finland
    Antti Salminen, Lappeenranta University of Technology, Faculty of Technology, Laser Processing Research Group (Laboratory of Welding Technology and Laser Processing); Lappeenranta Finland
    Presented at ICALEO 2010

    Laser technology has been deve...

    $28.00

  • ICALEO 2010 Paper #P134 (Automatic Real-Time Guidance of Laser Machining with Inline Coherent Imaging)

    Automatic Real-Time Guidance of Laser Machining with Inline Coherent Imaging
    Authors:
    Paul J. L. Webster, Department of Physics, Engineering Physics & Astronomy, Queens University at Kingston; Kingston ON Canada
    Logan G. Wright, Department of Physics, Engineering Physics & Astronomy, Queens University at Kingston; Kingston ON Canada
    Kevin D. Mortimer, Department of Physics, Engineering Physics & Astronomy, Queens University at Kingston; Kingston Canada
    Ben Y. Leung, Department of Physics, Engineering Physics & Astronomy, Queens University at Kingston; Kingston ON Canada
    Joe X. Z. Yu, Department of Physics, Engineering Physics & Astronomy, Queens University at K...

    $28.00

  • ICALEO 2010 Paper #P133 (Comparison of the Modeling and Experimental Data of UV Laser Drilled Microhole Profiles in the First Region)

    Comparison of the Modeling and Experimental Data of UV Laser Drilled Microhole Profiles in the First Region
    Authors:
    Frank Wu, Metrolaser Inc; Irvine CA USA
    Presented at ICALEO 2010

    In this paper, it has been developed a model describing UV laser microhole drilling process, which can predict the drilled microhole profiles for several kinds of specific incident beams. The report tries to answer how the peak fluence, the beam diameter, and the material parameters affect the hole shapes. The model also explains why hole drilling will stop under certain circumstances, i.e., under certain circumstance, more shots applied to the process will not generate any further drilling effect--a stabilized or...

    $28.00

  • ICALEO 2010 Paper #P132 (A Modeling of UV Laser Drilled Microhole Profiles)

    A Modeling of UV Laser Drilled Microhole Profiles
    Authors:
    Frank Wu, Metrolaser Inc; Irvine CA USA
    Presented at ICALEO 2010

    In this paper, it has been developed a model describing UV laser microhole drilling process, which can predict the drilled microhole profiles for several kinds of specific incident beams. The report tries to answer how the peak fluence, the beam diameter, and the material parameters affect the hole shapes.

    The model also explains why hole drilling will stop under certain circumstances, i.e., under certain circumstance, more shots applied to the process will not generate any further drilling effect--a stabilized or saturated drilling happens. High efficient laser proc...

    $28.00

  • ICALEO 2010 Paper #P126 (Versatile Cutting and Welding using Beam Optimised High Brightness Fiber Lasers)

    Versatile Cutting and Welding using Beam Optimised High Brightness Fiber Lasers
    Authors:
    Paul Harrison, Spi Lasers; Southampton Great Britain
    Andy Appleyard, Spi Lasers; Southampton Great Britain
    Presented at ICALEO 2010

    Typically, most laser workstations are limited to only one type of process such as welding, cutting or marking. However, when processing thinner sheet metals, there are clear advantages to using one laser for multiple applications, including both cutting and welding. In the past fiber laser cutting and welding has been well established for sheet metals with thicknesses below 3 mm, however these processes need different process parameters, requiring very different w...

    $28.00

  • ICALEO 2010 Paper #P120 (Ultra Short Laser Pulse Generation of Anti-Ice Surfaces)

    Ultra Short Laser Pulse Generation of Anti-Ice Surfaces
    Authors:
    Daniel Arnaldo del Cerro, University of Twente, Faculty Engineeing Technology, Chair of Applied Laser Technology; - Netherlands
    G.R.B.E. Römer, University of Twente, Faculty of Engineering Technology, Chair of Applied Laser Technology; Enschede Netherlands
    A.J. Huis in 't Veld, University of Twente, Faculty Engineeing Technology, Chair of Applied Laser Technology / TNO Science & Industry Department Materials Technology; Enschede Netherlands
    Presented at ICALEO 2010

    Wetting properties of many materials can be changed by accurate laser micromachining with ultra short laser pulses (USLP). USLP machining pro...

    $28.00

  • ICALEO 2010 Paper #P119 (Focal Plane Considerations for Fiber Laser Wide Field Processing)

    Focal Plane Considerations for Fiber Laser Wide Field Processing
    Authors:
    Mark Brodsky, SPI Lasers LLC; Santa Clara CA USA
    Jack Gabzdyl, SPO Lasers UK Limited; Southampton
    Presented at ICALEO 2010

    Scan heads now are replacing processing traditionally done with fixed head optics using X-Y tables One reason is that fiber lasers offer opportunities to direct intense energy through scan heads over wide marking fields now exceeding 200mm square. Additionally the availability of fiber lasers with increased divergence provides a better application of consistent power across a large mark. This is especially useful for applications such as anneal marking, remote welding, and vapor pres...

    $28.00

  • ICALEO 2010 Paper #P118 (High Efficiency Gas Assisted Cutting (HEGAC) with Yb-Fibre Laser)

    High Efficiency Gas Assisted Cutting (HEGAC) with Yb-Fibre Laser
    Authors:
    Ali Khan, The Welding Institute (TWI); Cambridge Great Britain
    Martin Sparkes, The Institute of Manufacturing (IFM), University of Cambridge; Cambridge Great Britain
    Bill Oneill, The Institute of Manufacturing (IFM), University of Cambridge; Cambridge Great Britain
    David Richardson, Optoelectronic Research Centre (ORC), University of Southampton; Southampton Great Britain
    Presented at ICALEO 2010

    The arrival of Yb fibre laser technology provides an opportunity to further reduce the optical energy requirements for thick-section oxygen assisted laser cutting of low carbon mild steel. T...

    $28.00

  • ICALEO 2010 Paper #P115 (Femtosecond Laser Near-Field Ablation Mediated with Mie Resonance Scattering by High Dielectric Constant Particles with Small Size Parameter)

    Femtosecond Laser Near-Field Ablation Mediated with Mie Resonance Scattering by High Dielectric Constant Particles with Small Size Parameter
    Authors:
    Yuto Tanaka, Keio University, School of Integrated Design Engineering; Yukohama-shi Japan
    Go Obara, Keio University, School of Integrated Design Engineering; Yokohama-shi Japan
    Akira Zenidaka, Keio University, School of Integrated Design Engineering; Yokohama-shi Japan
    Minoru Obara, Keio University, School of Integrated Design Engineering; Yokohama-shi Japan
    Presented at ICALEO 2010

    We present experimental and theoretical results on near-field nano-ablation mediated with Mie resonance scattering by high diele...

    $28.00

  • ICALEO 2010 Paper #P 4 (Laser Processing of Carbon Fiber Reinforced Plastic (CFRP) (Plenary))

    Laser Processing of Carbon Fiber Reinforced Plastic (CFRP) (Plenary)
    Authors:
    Dietmar Kracht, Laser Zentrum Hannover e.V.; Hannover Germany
    Peter Jaeschke, Laser Zentrum Hannover e.V.; Hannover Germany
    Frank Voelkermeyer, Laser Zentrum Hannover e.V.; Hannover Germany
    Fabian Fischer, Laser Zentrum Hannover e.V.; Hannover Germany
    Uwe Stute, Laser Zentrum Hannover e.V.; Hannover Germany
    Presented at ICALEO 2010

    Carbon fiber reinforced plastics (CFRP) is due to its high strength-to-weight ratio nowadays widely used in aviation and automotive industry as well as in high end consumer products. Improved and reliable machining techniques like laser pr...

    $28.00

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