• PICALO 2008 Paper #P238 (Millisecond Pulse Laser Bending of Silicon)

    Millisecond Pulse Laser Bending of Silicon
    Authors:
    Dongjiang WU, Dalian University of Technology; Peoples Republic of China
    Guangyi Ma, Dalian University of Technology; Dalian Peoples Republic of China
    Bo Yin, Dalian University of Technology; Dalian Peoples Republic of China
    Dongming Guo, Dalian University of Technology; Dalian Peoples Republic of China
    Presented at PICALO 2008

    Experiment of bending silicon with Nd: YAG laser of millisecond pulse width was carried out. The influence of frequency and pulse width on the bending angle was investigated. It was found that the bending quality of silicon is better when pulse width, frequency is 2ms, 30Hz and 1...

    $28.00

  • PICALO 2008 Paper #P241 (Numerical Simulation of Laser Surface Micro-Texturing)

    Numerical Simulation of Laser Surface Micro-Texturing
    Authors:
    Huixia Liu, Jiangsu University; Shanxi Peoples Republic of China
    Shengjun Yang, Jiangsu University; Shanxi Peoples Republic of China
    Xiao Wang, Jiangsu University; Shanxi Peoples Republic of China
    Presented at PICALO 2008

    In order to predict the topography of the pulsed laser surface micro-texturing in carbon tool steel, the energy-balance equation, heat source mode, boundary conditions equation were established. Based on above mathematical model, temperature field and crater was simulated by the finite element analyzing software- ANSYS. The simulation results indicate that: As the laser intensity increases...

    $28.00

  • PICALO 2008 Paper #P243 (Crack Controlling of Composite Coating with Nano-Meter Ni-Al203 by Pulsed Nd:Yag Laser Cladding)

    Crack Controlling of Composite Coating with Nano-Meter Ni-Al203 by Pulsed Nd:Yag Laser Cladding
    Authors:
    Qunli Zhang, Zhejiang University; Hangzhou Peoples Republic of China
    Jianhua Yao, Zhejiang University of Technology; Hangzhou Peoples Republic of China
    Yi Pan, Zhejiang University; Hangzhou Peoples Republic of China
    Presented at PICALO 2008

    Pulsed Nd:YAG laser is especially suitable for precision cladding on local region of steel, due to its high single pulse energy, various changeable parameters, short wavelength and flexible processing. Nano-meter composite coating is featured with high strength, good toughness, excellent wear resistance and erosion resistance. Co...

    $28.00

  • PICALO 2008 Paper #P244 (Micro Cutting of Madin-darby Canine Kidney (MDCK) Cell using Femtosecond Laser)

    Micro Cutting of Madin-darby Canine Kidney (MDCK) Cell using Femtosecond Laser
    Authors:
    Jianfeng Liu, University of Science and Technology of China; Hefei Anhui Peoples Republic of China
    Rui Guo, University of Science and Technology of China; Hefei Anhui Peoples Republic of China
    Xiang Wang, University of Science and Technology of China; Hefei Anhui Peoples Republic of China
    Zhen Guo, University of Science and Technology of China; Hefei Anhui Peoples Republic of China
    Wenhao Huang, University of Science and Technology of China; Hefei Anhui China Peoples Republic of China
    Presented at PICALO 2008

    Femtosecond Laser is a unique tool for micro and...

    $28.00

  • PICALO 2008 Paper #Plenary (High Power Laser Materials Processing - New Developments and Trends)

    High Power Laser Materials Processing - New Developments and Trends
    Authors:
    Eckhard Beyer, Fraunhofer IWS; Dresden University of Technology; Dresden Germany
    Presented at PICALO 2008

    In materials processing with high power lasers the diode laser has established itself for processes without need of extreme intensities. The presentation demonstrates actual applications in the field of hardening, brazing and coating with diode lasers. For cutting and 2D-welding processes CO2 lasers are applied, whereas the Nd:YAG laser is the well proven laser for 3D-welding. These statements are affirmed with current examples. Nevertheless, this state-of-the-art will be faced considerable changes in the near futu...

    $28.00

  • PICALO 2008 Paper #Plenary (Ultra-Intense Laser-Matter Interactions with a 150-Terawatt Power Laser (Keynote Presentation - 40 Minutes))

    Ultra-Intense Laser-Matter Interactions with a 150-Terawatt Power Laser (Keynote Presentation - 40 Minutes)
    Authors:
    Donald Umstadter, University of Nebraska Lincoln; Lincoln NE USA
    Nathan Powers, University of Nebraska, Lincoln; Lincoln NE USA
    Shouyuan Chen, University of Nebraska, Lincoln; Lincoln NE USA
    Sudeep Banerjee, University of Nebraska, Lincoln; Lincoln NE USA
    Vidya Ramanathan, University of Nebraska, Lincoln; Lincoln NE USA
    Presented at PICALO 2008

    Experiments using a 150-terawatt peak power laser system are reported. The relativistic interactions of ultra-high-intensity light with matter are studied with the Diocles laser, current...

    $28.00

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