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  • ICALEO 2008 Paper #M204 (Lattice Boltzmann Simulation of Laser Interaction with Weakly-ionized Helium Plasmas)

    Lattice Boltzmann Simulation of Laser Interaction with Weakly-ionized Helium Plasmas
    Authors:
    Huayu Li, Michigan State University; East Lansing MI USA
    Hyungson Ki, Michigan State University; East Lansing MI USA
    Presented at ICALEO 2008

    Laser induced ionization of matter is important in many applications of laser matter interaction. In this paper, femtosecond laser interaction with weakly-ionized Helium plasmas is simulated using the lattice Boltzmann method (LBM). Ionization of Helium atoms as well as the loss of free electrons due to recombination is taken into account in the model. The electromagnetic fields of the laser beam and the plasma are solved by using the Finite-Differen...

    $28.00

  • ICALEO 2008 Paper #M203 (Nano-particles of Hydroxyapatite Formed by Underwater Laser Ablation Method)

    Nano-particles of Hydroxyapatite Formed by Underwater Laser Ablation Method
    Authors:
    Masahito Katto, University of Miyazaki; Miyazaki Japan
    Yasuhiro Kuroe, University of Miyazaki; Miyazaki Japan
    Atsushi Yokotani, University of Miyazaki; Miyazaki Japan
    Masanori Kaku, University of Miyazaki; Miyazaki Japan
    Shoichi Kubodera, University of Miyazaki; Miyazaki Japan
    Hirotaka Katayama, Kinki University; Miyazaki Japan
    Takeyoshi Nakayama, Kinki University; Higashi-Osaka Japan
    Presented at ICALEO 2008

    Hydroxyapatite (HAp) is a biocompatibility material. We have sucessfully obtained the nano-particles of hydroxyapatite by the u...

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  • ICALEO 2008 Paper #M202 (Optical Emission Spectroscopy Study of Resonant Vibrational Excitation of Precursor Molecules in the CO2 Laser-Assisted Flame Deposition of Diamond)

    Optical Emission Spectroscopy Study of Resonant Vibrational Excitation of Precursor Molecules in the CO2 Laser-Assisted Flame Deposition of Diamond
    Authors:
    H. Ling, University of Nebraska-Lincoln; Lincoln NE USA
    T. Gebre, University of Nebraska-Lincoln; Lincolnq NE USA
    Y.X. Han, University of Nebraska-Lincoln; Lincoln NE USA
    Z.Q. Xie, University of Nebraska-Lincoln; Lincoln NE USA
    X.K. Shen, University of Nebraska-Lincoln; Lincoln NE USA
    Y.F. Lu, University of Nebraska-Lincoln; Lincoln NE USA
    Presented at ICALEO 2008

    Diamond thin films were deposited using C2H2/O2, C2H4/C2H2/O2, and C3H6/O2 combustion flames. At points where the ...

    $28.00

  • ICALEO 2008 Paper #M201 (Influence of High-Power CW Fibre Laser Radiation (Single-mode) on Plasma Formation)

    Influence of High-Power CW Fibre Laser Radiation (Single-mode) on Plasma Formation
    Authors:
    Marc Baumeister, Laser Centre, Muenster University of Applied Sciences; Steinfurt Germany
    Tobias Scholz, Laser Centre, Muenster University of Applied Sciences; Steinfurt Germany
    Klaus Dickmann, Laser Centre, Muenster University of Applied Sciences; Steinfurt Germany
    Presented at ICALEO 2008

    Recent advances in the field of highly brilliant continuous wave fibre laser sources lead to an increase of intensity. These intensities were formerly reserved to short pulse laser sources with pulse durations of several nanoseconds. As a result of this combination of wavelength, intensity an...

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  • ICALEO 2008 Paper #M1205 (Direct Laser Deposited Titanium with Controlled Porosity for Bone Tissue Engineering)

    Direct Laser Deposited Titanium with Controlled Porosity for Bone Tissue Engineering
    Authors:
    Andrew J Pinkerton, The University of Manchester; Manchester Great Britain
    Christ P Paul, Raja Ramanna Centre for Advanced Technology; Indore 452013 (M.P) India
    Mehrdad Iravani-Tabrizipour, University of Waterloo; Waterloo ON Canada
    L M Kukreja, Raja Ramanna Centre for Advanced Technology; Indore 452013 (M.P) India
    Amir Khajepour, University of Waterloo; Waterloo ON Canada
    Presented at ICALEO 2008

    The potential of engineered porous materials for aiding the osseointegration of metallic dental and orthopedic implants is well established. A range of tec...

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  • ICALEO 2008 Paper #M1202 (Nano-, Pico- and Femtosecond Laser Machining of Bioabsorbable Polymers and Biomedical Composites)

    Nano-, Pico- and Femtosecond Laser Machining of Bioabsorbable Polymers and Biomedical Composites
    Authors:
    Assi Huttunen, Tampere University of Technology; Tampere Finland
    Claire O'Connell, National University of Ireland; Galway Ireland
    Gareth Williams, National University of Ireland; Galway Ireland
    Petri Laakso, VTT Technical Research Centre of Finland; Lappeenranta Finland
    Henna Niiranen, Tampere University of Technology; Tampere Finland
    Mikko Huttunen, Tampere University of Technology; Tampere Finland
    Richard Sherlock, National University of Ireland; Galway Ireland
    Ville Ellä, Tampere University of Technology; Tampere F...

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  • ICALEO 2008 Paper #M1105 (Inside Process of Glass with Nanosecond Pulsed Laser)

    Inside Process of Glass with Nanosecond Pulsed Laser
    Authors:
    Takeji Arai, Chuo University; Tokyo Japan
    Noritaka Asano, Chuo University; Tokyo Japan
    Akihiko Minami, Coherent Japan Inc.; Tokyo Japan
    Hideaki Kusano, Shimadzu Corp.; Tokyo Japan
    Presented at ICALEO 2008

    Glass is a useful material. Recently, the utility of the inside processing of the glass with the laser came to be recognized. The glass is heterogeneous as processing materials with the laser. When heat occurred in the inside of the glass, the crack occurs in a random course, and a phenomenon is complicated. In addition, in the case of inside processing with the laser, the mechanism is very pec...

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  • ICALEO 2008 Paper #M1104 (Short-Pulse Lasers with the High Power and Repetition Rate for Microfabrication)

    Short-Pulse Lasers with the High Power and Repetition Rate for Microfabrication
    Authors:
    Mikhail Grishin, Ekspla Uab; Vilnius Lithuania
    Saulius Jacinavicius, Ekspla Uab; Vilnius Lithuania
    Gediminas Raciukaitis, Institute of Physics; Vilnius Lithuania
    Giedrius Andriukaitis, Ekspla Uab; Vilnius Lithuania
    Marijus Brikas, Institute of Physics; Vilnius Lithuania
    Presented at ICALEO 2008

    Employment of short-pulse lasers in microfabrication opens a lot of opportunities in tailoring and shaping variety of materials. The main drawback in wide use of the laser technology in micro- and nanoscale today is the low fabrication speed. An increase in the pul...

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  • ICALEO 2008 Paper #M1103 (Applications of Short Pulsed Uv Lasers)

    Applications of Short Pulsed Uv Lasers
    Authors:
    Igor Shklyar, J.P.Sercel Associates, Inc.; Manchester NH USA
    Marco Mendes, J P Sercel Associates, Inc.; Manchester NH USA
    Cristian Porneala, J P Sercel Associates, Inc.; Manchester NH USA
    Jie Fu, J P Sercel Associates, Inc.; Manchester NH USA
    Xiangyang Song, J P Sercel Associates, Inc.; Manchester NH USA
    Jeff Sercel, J. P. Sercel Associates, Inc.; Manchester NH USA
    Presented at ICALEO 2008

    Excimer and UV diode-pumped solid-state (DPSS) lasers are both robust, production-capable systems used in a wide range of applications in microfabrication, surface treatment and materials processin...

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  • ICALEO 2008 Paper #M1102 (Control of the Removal Rate in Laser Chemical Machining)

    Control of the Removal Rate in Laser Chemical Machining
    Authors:
    Andreas Stephen, Bias Gmbh; Bremen Germany
    Ralf Walther, Bias Gmbh; Bremen Germany
    Frank Vollertsen, Bias Gmbh; Bremen Germany
    Presented at ICALEO 2008

    An important challenge for all processes based on laser material removal is the control of the precision of the shape. This is so, because all methods are non-contact methods and the removal rate underlies certain influences depending on the exact processing conditions and material properties, making only limited prediction and control of the removal rate possible. In laser chemical machining the radiation locally initiates on a metal surface a thermochemi...

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