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  • PICALO 2008 Paper #P220 (Micro Processing with High Repetition Rate Pulsed Fibre Lasers)

    Micro Processing with High Repetition Rate Pulsed Fibre Lasers
    Authors:
    Jack Gabzdyl, SPI Lasers; Southampton Great Britain
    Tony Hoult, Spi Lasers Llc; Santa Clara CA USA
    Lu Ming, Spi Lasers; Southhampton Great Britain
    Presented at PICALO 2008

    Traditional q-switched laser sources have been limited in pulse frequency and in overall control of pulse energy and length. A novel pulsed fibre laser capable of operation from cw through to 500kHz has provided a tool that has enabled a number of significant processing improvements. The benefits of operating in the >100kHz regime, encompassing both quality and productivity, is evident in a number of applications such as; marking...

    $28.00

  • PICALO 2008 Paper #P219 (Surface Roughness Analysis and Improvement of Pmma-Based Micro-Fluidic Chip Chamber by Co2 Laser Cutting)

    Surface Roughness Analysis and Improvement of Pmma-Based Micro-Fluidic Chip Chamber by Co2 Laser Cutting
    Authors:
    Huang Yongguang, Beijing University of Technology; Beijing Peoples Republic of China
    Liu Shibing, Beijing University of Technology; Beijing Peoples Republic of China
    Presented at PICALO 2008

    We study the sidewall surface roughness of chamber in the PMMA-base microfuidic chip which was cutting with CW CO2 laser. Our observations shows that the roughness is resulted from the bubble burst and form the residues. In order to improve the quality of the surface, we proposed a very easy way which just put the chip in high suitable ambient temperature, found that at 70-90°C wou...

    $28.00

  • PICALO 2008 Paper #P216 (Formation of Micro-Nano Structure by Laser Deposition and Dealloying of Copper Alloy Layer on Macro-Component Surface)

    Formation of Micro-Nano Structure by Laser Deposition and Dealloying of Copper Alloy Layer on Macro-Component Surface
    Authors:
    Minlin Zhong, Tsinghua University; Beijing Peoples Republic of China
    Wenjin Liu, Tsinghua University, Dept of Mechanical Engineering; Beijing Peoples Republic of China
    Yide Kan, Tsinghua University, Dept of Mechanical Engineering; Beijing Peoples Republic of China
    Mingxing Ma, Tsinghua University; Beijing Peoples Republic of China
    Weiming Zhang, Tsinghua University; Beijing Peoples Republic of China
    Hongjun Zhang, Tsinghua University; Beijing Peoples Republic of China
    Presented at PICALO 2008

    Nano-alloys o...

    $28.00

  • PICALO 2008 Paper #P214 (An Investigation of Cutting Polycrystalline Diamond using 355Nm Uv Pulse Laser)

    An Investigation of Cutting Polycrystalline Diamond using 355Nm Uv Pulse Laser
    Authors:
    Zhai Libin, National Center of Laser Technology, China; Beijing Peoples Republic of China
    Chen Jimin, National Center of Laser Technology, Beijing University of Technology; Beijing Peoples Republic of China
    Jiang Maohua, National Center of Laser Technology, China; Beijing Peoples Republic of China
    Zhao Hongliang, National Center of Laser Technology, Beijing University of Technology; Beijing Peoples Republic of China
    Sun Chunyu, Beijing Beidou Diamond Company; Beijing Peoples Republic of China
    Presented at PICALO 2008

    Polycrystalline diamond (PCD) is extensi...

    $28.00

  • PICALO 2008 Paper #P210 (Tool Steel Laser Surface Modification with Tic)

    Tool Steel Laser Surface Modification with Tic
    Authors:
    M. Angeles Montealegre, Aimen; Porri Spain
    M.A. Montealegre, AIMEN; Porriño Spain
    G. Castro, AIMEN; Porriño Spain
    A. Fernández-Vicente, AIMEN; Porriño Spain
    J. Vázquez, AIMEN; Porriño Spain
    J.L. Arias, AIMEN; Porriño Spain
    Presented at PICALO 2008

    TiC is used as coating materials to improved surface wear resistance of cold working tool steels, commonly by chemical vapour deposition (CVD) or physical vapour deposition (PVD). In this work the study of the TiC to modify the tool steel surface by producing a dispersion of resolidified TiC particles in a tool steel mat...

    $28.00

  • PICALO 2008 Paper #P209 (Oxidation Behavior of Laser Cladded Ni-Si-Ti-C Coatings at 1100°C)

    Oxidation Behavior of Laser Cladded Ni-Si-Ti-C Coatings at 1100°C

    Authors:
    Jianbin Zhang, Lanzhou University of Technology; Lanzhou Peoples Republic of China
    Yaoning Sun, Lanzhou University of Technology; Lanzhou Peoples Republic of China
    Ding Fan, Lanzhou University of Technology; Lanzhou Peoples Republic of China
    Zefeng Liang, Lanzhou University of Technology; Lanzhou Peoples Republic of China
    Presented at PICALO 2008

    Waspaloy is a typical Ni-based superalloy that widely used for flue gas turbine blades, and its strengthening phase is Ni3(Al,Ti). Laser cladding is one of the most effective methods for repairing damaged gas turbine blades. TiC particul...

    $28.00

  • PICALO 2008 Paper #P207 (A Study of Laser Etching and Cutting Pcb Boards by 355Nm Dpss Uv Laser)

    A Study of Laser Etching and Cutting Pcb Boards by 355Nm Dpss Uv Laser
    Authors:
    Fei Zhang, Hua Zhong University of Science and Technology; Wuhan Peoples Republic of China
    Xiaoyan Zeng, Hua Zhong University of Science and Technology; Wuhan Peoples Republic of China
    Xiangyou Li, Hua Zhong University of Science and Technology; Wuhan Peoples Republic of China
    Jun Duan, Hua Zhong University of Science and Technology; Wuhan Peoples Republic of China
    Presented at PICALO 2008

    During the last decade, diode-pumped solid state lasers (DPSSL) have gained wider application in industry, of which most of the lasers wavelengths are in the ranges 1064 nm and 532 nm. Wit...

    $28.00

  • PICALO 2008 Paper #P205 (A Novel Soft-lithography Based Polymeric Multimode Laser Power Splitter)

    A Novel Soft-lithography Based Polymeric Multimode Laser Power Splitter
    Authors:
    Rubing Shao, Zhejiang University; Hangzhou Peoples Republic of China
    Xing K. Wu, Zhejiang University; Hangzhou Peoples Republic of China
    Qiao Lin, Zhejiang University; Hangzhou Peoples Republic of China
    Shu Li, Zhejiang University; Hangzhou Peoples Republic of China
    Wei Ni, Zhejiang University; Hangzhou Peoples Republic of China
    Presented at PICALO 2008

    A novel compact-sized polymeric multimode power splitter was designed and fabricated, with its overall length 30% shorter than conventional Y-junction splitter in the case of 18 splitters. By using soft-lithograp...

    $28.00

  • PICALO 2008 Paper #P204 (Nonequilibrium Synthesis of Ni-Al-Si Alloys by Laser Processing)

    Nonequilibrium Synthesis of Ni-Al-Si Alloys by Laser Processing
    Authors:
    Yufeng Zheng, Lanzhou University of Technology; Lanzhou Peoples Republic of China
    Yaoning Sun, Lanzhou University of Technology; Lanzhou Peoples Republic of China
    Ding Fan, Lanzhou University of Technology; Lanzhou Peoples Republic of China
    Min Zheng, Lanzhou University of Technology; Lanzhou Peoples Republic of China
    Jianbin Zhang, Lanzhou University of Technology; Lanzhou Peoples Republic of China
    Presented at PICALO 2008

    In the present work, three kinds of powder blend with nominal compositions of Ni75Al25 (at.%), Ni75Al15Si10 (at.%) and Ni75Al5Si20 (at.%) have been su...

    $28.00

  • PICALO 2008 Paper #P203 (Microdrilling of the Cupreous Probe by Uv Dpss Laser)

    Microdrilling of the Cupreous Probe by Uv Dpss Laser
    Authors:
    Zhai Libin, National Center of Laser Technology, Beijing University of Technology; Beijing Peoples Republic of China
    Chen Jimin, National Center of Laser Technology, Beijing University of Technology; Beijing Peoples Republic of China
    Jiang Maohua, National Center of Laser Technology, China; Beijing Peoples Republic of China
    Wang Xubao, National Center of Laser Technology, Beijing University of Technology; Beijing Peoples Republic of China
    Yu Zhensheng, National Center of Laser Technology, Beijing University of Technology; Beijing Peoples Republic of China
    Zong Xiaojun, National Center of...

    $28.00

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