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  • ICALEO 2009 Paper #P122 (CO2 Laser Welding Of AHSS)

    CO2 Laser Welding Of AHSS
    Authors:
    John Pandremenos, Laboratory for Manufacturing Systems & Automation, University of Patras; Patras Greece
    Konstantinos Salonitis, Laboratory for Manufacturing Systems & Automation, University of Patras; Patras Greece
    George Chryssolouris, Laboratory for Manufacturing Systems & Automation, University of Patras; Patras Greece
    Presented at ICALEO 2009

    This paper deals with the laser welding of advanced high strength steels (AHSS) which have properties promising for automotive applications. Experimental investigation of the CO2 laser welding of similar and dissimilar grades of AHSS (such as DP-W600 and PM-800) and new sandwich material is...

    $28.00

  • ICALEO 2009 Paper #P119 (Femtosecond Laser Written Microstructures in PMMA and PDMS at 800nm for Photonic Applications)

    Femtosecond Laser Written Microstructures in PMMA and PDMS at 800nm for Photonic Applications
    Authors:
    Deepak K.L.N., University of Hyderabad; Hyderabad India
    R.S.S. Kumar, School of Physics, University of Hyderabad; Hyderabad India
    Narayana Rao Desai, University of Hyderabad; Hyderabad India
    Venugopal Rao Soma, University of Hyderabad; Hyderabad India
    Presented at ICALEO 2009

    Microstructures, including gratings and photonic crystal structures, have been fabricated in bulk PDMS and PMMA using femtosecond pulses. The variation of structure width with different writing conditions (focusing, speed, energy) has been investigated. Physical characterization of...

    $28.00

  • ICALEO 2009 Paper #P118 (Microfabrication of Gratings Inside a Transparent Material using Femtosecond Laser Processing with Computer Generated Hologram)

    Microfabrication of Gratings Inside a Transparent Material using Femtosecond Laser Processing with Computer Generated Hologram
    Authors:
    Hayato Kawashima, New Glass Forum; Tsukuba Japan
    Masahiro Yamaji, New Glass Forum; Tsukuba Japan
    Jun'Ichi Suzuki, New Glass Forum; Tsukuba Japan
    Shuhei Tanaka, New Glass Forum; Tsukuba Japan
    Presented at ICALEO 2009

    We have developed a three-dimensional (3D) multiprocessing method using a Computer Generated Hologram (CGH) that generates a 3D structure inside transparent materials such as silica glass and PMMA. In this paper, we consider grating fabrication using femtosecond laser processing with CGH. Femtosecond laser proc...

    $28.00

  • ICALEO 2009 Paper #P116 (High Speed Laser Micro-Texturing of Si Wafer for Improved Light Trapping for Photo-Voltaic Application)

    High Speed Laser Micro-Texturing of Si Wafer for Improved Light Trapping for Photo-Voltaic Application
    Authors:
    Ana Pena, The University of Manchester; Manchester Great Britain
    Zengbo Wang, The University of Manchester; Manchester Great Britain
    David Whitehead, The University of Manchester; Manchester Great Britain
    Lin Li, The University of Manchester; Manchester Great Britain
    Presented at ICALEO 2009

    The demand for efficient, alternative sources of energy is a growing and crucial issue in todays world. Solar energy offers a vast, inexhaustible, free and clean option for future power needs. Although new technologies emerge every day, silicon-based solar...

    $28.00

  • ICALEO 2009 Paper #P114 (Laser Doping for Bandgap Engineering)

    Laser Doping for Bandgap Engineering
    Authors:
    Geunsik Lim, University of Central Florida; Orlando FL USA
    Nathaniel R. Quick, Applicote Associates, Llc; Orlando FL USA
    Aravinda Kar, University of Central Florida; Orlando FL USA
    Presented at ICALEO 2009

    Laser doping is used to modify the reflectivity and refractive index of embedded regions in wide bandgap semiconductors for selective detection of gaseous chemical species. Each of the four quadrants of a 1 cm x 1 cm x 300 microns silicon carbide (SiC) sensor are laser doped with a different element; gallium, aluminum, scandium and phosphorus, respectively; to create energy levels that selectively absorb photon emissio...

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  • ICALEO 2009 Paper #P112 (Interaction Between Laser Beam and Paper Materials)

    Interaction Between Laser Beam and Paper Materials
    Authors:
    Heidi Piili, Lappeenranta University of Technology, Laser Processing Research Group (Laborato; Lappeenranta Finland
    Antti Salminen, Lappeenranta University of Technology, Laser Processing Research Group (Laboratory of Welding Technology and Laser Processing), Lappeenranta, Finland; Lappeenranta Finland
    Veli Kujanpää, Lappeenranta University of Technology, VTT Industrial Systems; Lappeenranta Finland
    Presented at ICALEO 2009

    It is commonly known that laser beam is suitable for cutting of paper materials. Even tough laser technology has been applied to paper material cutting since 1970s, there exists quite ...

    $28.00

  • ICALEO 2009 Paper #P111 (An Overview of the Conventional Microprocessing and Laser Assisted Techniques for Fabricating Microscale Features)

    An Overview of the Conventional Microprocessing and Laser Assisted Techniques for Fabricating Microscale Features
    Authors:
    Antti Salminen, Lappeenranta University of Technology, Laser Processing Research Group (Laboratory of Welding Technology and Laser Processing), Lappeenranta, Finland; Lappeenranta Finland
    Heidi Piili, Lappeenranta University of Technology, Laser Processing Research Group (Laboratory of Welding Technology and Laser Processing), Lappeenranta, Finland; Lappeenranta Finland
    Heidi Piili, LUT Laser, Lappeenranta University of Technology; Lappeenranta Finland
    Matti Manninen, Lappeenranta University of Technology, Laser Processing Research Group (Laboratory of ...

    $28.00

  • ICALEO 2009 Paper #P110 (A Comparison Between Novel Fiber Laser Cutting Methods and Conventional Fiber Laser Fusion Cutting)

    A Comparison Between Novel Fiber Laser Cutting Methods and Conventional Fiber Laser Fusion Cutting
    Authors:
    Arttu Jussila, Lappeenranta university of technology; Lappeenranta Finland
    Tuomas Purtonen, Lappeenranta University of Technology; -
    Antii Salminen, Lappeenranta University of Technology, Machine Technology Center Turku Ltd; Lappeenranta Finland
    Presented at ICALEO 2009

    There are a few novel fiber laser cutting methods that have shown excellent test results. The cutting speed and quality with these methods exceeds those of conventional CO2-laser cutting methods. Most of these cutting methods use a single-mode fiber laser as the laser source. This paper compares...

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  • ICALEO 2009 Paper #P108 (Feasibility of Laser Microcladding to Produce Hard Coatings)

    Feasibility of Laser Microcladding to Produce Hard Coatings
    Authors:
    Fernando Lusquinos, Universidade De Vigo; Vigo Spain
    Rafael Comesana, Universidade De Vigo; Vigo Spain
    Jesus Del Val, Universidade De Vigo; Vigo Spain
    Antonio Riveiro, Universidade De Vigo; Vigo Spain
    Felix Quintero, Universidade De Vigo; Vigo Spain
    Juan Pou, Universidade De Vigo; Vigo Spain
    Presented at ICALEO 2009

    In the last decades, the laser cladding technique has been firmly established as a technology to produce a wide range of coatings with different purposes: improve the mechanical properties or provide functional properties like the biocompatibility or ...

    $28.00

  • ICALEO 2009 Paper #P107 (30KW Peak Power Flash-Lamp Pumped Novel nd:YAG Solid-State Laser)

    30KW Peak Power Flash-Lamp Pumped Novel nd:YAG Solid-State Laser
    Authors:
    Xuesheng Liu, Institute of Laser Engineering, Beijing University of Technology; Chaoyang District Peoples Republic of China
    Sun Yao, Institute of Laser Engineering, Beijing University of Technology; Chaoyang District Peoples Republic of China
    Yinghua Cao, Institute of Laser Engineering, Beijing University of Technology; Chaoyang District Peoples Republic of China
    Zhiyong Wang, Institute of Laser Engineering, Beijing University of Technology; Chaoyang District Peoples Republic of China
    Presented at ICALEO 2009

    A high energy high peak power flash-lamp pumped pulsed Nd:YAG solid-state ...

    $28.00

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