• ICALEO 2012 Paper #M1309 (High Average Power, High Energy Femtosecond Regenerative Amplifiers)

    High Average Power, High Energy Femtosecond Regenerative Amplifiers
    Authors:
    Martin Delaigue, Amplitude Systemes; Pessac France
    Robert Braunschweig, Amplitude Laser; Pessac France
    Clemens Hönninger, Amplitude Systemes; Pessac France
    Eric Mottay, Amplitude Systemes; Pessac France
    Presented at ICALEO 2012

    Femtosecond lasers gain increasing interest because of the unique combination of ultrashort pulse duration and extreme high peak power on the GW-level. In consequence, the machining process is dominated by multiphoton processes making it essentially universal and almost any type of material can be machined with excellent precision and quality. We report on...

    $28.00

  • ICALEO 2012 Paper #M201 (Variation of Biocompatibility of Titanium Dioxide Film by Femtosecond Laser Irradiation)

    Variation of Biocompatibility of Titanium Dioxide Film by Femtosecond Laser Irradiation
    Authors:
    Togo Shinonaga, Graduate School of Engineering, Osaka Univ.; Suita, Osaka Japan
    Masahiro Tsukamoto, Joining and Welding Research Institute, Osaka Univ.; Ibaraki, Osaka Japan
    Naoto Horigutchi, Graduate School of Engineering, Osaka Univ.; Suita, Osaka Japan
    Yuichiro Ito, Graduate School of Engineering, Osaka Univ.; Suita, Osaka
    Akiko Nagai, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental Unive.; Chiyoda-Ku, Tokyo Japan
    Kimihiro Yamashita, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental Univ.; Chiyoda-Ku, Tok...

    $28.00

  • ICALEO 2012 Paper #M202 (fs Laser Surface Processing of Platinum)

    fs Laser Surface Processing of Platinum
    Authors:
    Stephen W. Brown, ARL, The Penn State Univ.; State College PA USA
    Andrew E. Fisk, Pulse Technologies; Quakertown PA USA
    Edward W. (Ted) Reutzel, ARL, The Penn State Univ.; State College PA USA
    Presented at ICALEO 2012

    The production of nanometer-scale features on platinum samples was investigated with the use of a femtosecond laser system operational at IR, visible and UV wavelengths. Laser induced surface structures were produced having globular nanoprotrusions with apparent length scales ranging from sub-nanometer diameters to 100s of nanometers, dependent on the laser parameters employed. Analysis of Field Emissi...

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  • ICALEO 2012 Paper #M204 (Effect of Laser Induced Crystallinity Modification on Biodegradation Profile of Poly(L-Lactic Acid))

    Effect of Laser Induced Crystallinity Modification on Biodegradation Profile of Poly(L-Lactic Acid)
    Authors:
    Shan-Ting Hsu, Department of Mechanical Engineering, Columbia Univ.; New York NY USA
    Huade Tan, Department of Mechanical Engineering, Columbia Univ.; -
    Y. Lawrence Yao, Department of Mechanical Engineering, Columbia Univ.; New York NY USA
    Presented at ICALEO 2012

    The biodegradable polymer such as poly(L-lactic acid) (PLLA) is promising in drug delivery applications because it hydrolyzes into non-toxic substances in physiological environments. However, its induction period of biodegradation prevents the embedded drugs from releasing at the designed rate in the...

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  • ICALEO 2012 Paper #M301 (Multiple NUV Beam Internal Structuring of Materials Using a Spatial Light Modulator)

    Multiple NUV Beam Internal Structuring of Materials Using a Spatial Light Modulator
    Authors:
    Dun Liu, School of Mechanical Engineering, Hubei Univ. of Technology, Laser Group, Department of Engineering, Univ. of Liverpool; Wirral Great Britain
    Zheng Kuang, Laser Group, Department of Engineering, Univ. of Liverpool; Liverpool Great Britain
    Walter Perrie, Laser Group, Department of Engineering, Univ. of Liverpool; Liverpool Great Britain
    Eamonn Fearon, Laser Group, Department of Engineering, Univ. of Liverpool; Birkenhead Great Britain
    Stuart Edwardson, Laser Group, Department of Engineering, Univ. of Liverpool; Liverpool Great Britain
    Geoff Dearden,...

    $28.00

  • ICALEO 2012 Paper #M303 (Picosecond Laser Beam Shaping Using a Spatial Light Modulator)

    Picosecond Laser Beam Shaping Using a Spatial Light Modulator
    Authors:
    Dun Liu, School of Mechanical Engineering, Hubei Univ. of Technology, Laser Group, School of Engineering, Univ. of Liverpool; Liverpool Great Britain
    Walter Perrie, Laser Group, School of Engineering, Univ. of Liverpool; Liverpool Great Britain
    Leigh Mellor, Laser Group, School of Engineering, Univ. of Liverpool; Liverpool Great Britain
    Zheng Kuang, Laser Group, School of Engineering, Univ. of Liverpool; Liverpool Great Britain
    Eamonn Fearon, Laser Group, School of Engineering, Univ. of Liverpool; Birkenhead Great Britain
    Stuart Edwardson, Laser Group, School of Engineering, Uni...

    $28.00

  • ICALEO 2012 Paper #M305 (Creating Round and Square Flattop Laser Spots in Microprocessing Systems with Scanning Optics)

    Creating Round and Square Flattop Laser Spots in Microprocessing Systems with Scanning Optics
    Authors:
    Alexander Laskin, AdlOptica Optical Systems GmbH; Berlin Germany
    Vadim Laskin, AdlOptica Optical Systems GmbH; Berlin Germany
    Presented at ICALEO 2012

    Performance of various modern laser based micromachining techniques can be improved by applying square laser spots with uniform intensity distribution. And providing possibility of scanning of such a spot over whole working field with using popular 2- and 3-axis galvo mirror scanners is of great importance for many laser microprocessing technologies, like scribing, drilling holes in PCB, repair techniques in display making technolog...

    $28.00

  • ICALEO 2012 Paper #M306 (Increasing the Productivity of Femtosecond Laser Using Spatial Light Modulator)

    Increasing the Productivity of Femtosecond Laser Using Spatial Light Modulator
    Authors:
    Petri Laakso, VTT Technical Research Centre of Finland; Lappeenranta Finland
    Martti Silvennoinen, Univ. of Eastern Finland; Joensuu Finland
    Raimo Penttilä, VTT Technical Research Centre of Finland; Lappeenranta Finland
    Jarno Kaakkunen, Univ. of Eastern Finland; Joensuu Finland
    Kimmo PäIväsaari, Univ. of Eastern Finland; Joensuu Finland
    Ilkka Vanttaja, VTT Technical Research Centre of Finland; Lappeenranta Finland
    Presented at ICALEO 2012

    Spatial light modulator can be used to split the beam
    into several beams. Using this kind of approach on...

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  • ICALEO 2012 Paper #M308 (Advances in Ultra Short Pulsed Parallel Processing Using a Spatial Light Modulator - Invited Presentation - 40 Minutes)

    Advances in Ultra Short Pulsed Parallel Processing Using a Spatial Light Modulator - Invited Presentation - 40 Minutes
    Authors:
    Stuart P. Edwardson, Laser Engineering Group, Centre for Materials and Structures, School of Engineering, Univ. of Liverpool; Merseyside Great Britain
    Zheng Kuang, Laser Engineering Group, Centre for Materials and Structures, School of Engineering, Univ. of Liverpool; Liverpool Great Britain
    Dun Liu, Laser Engineering Group, Centre for Materials and Structures, School of Engineering, Univ. of Liverpool; Liverpool Great Britain
    Walter Perrie, Laser Engineering Group, Centre for Materials and Structures, School of Engineering, Univ. of Liverpool; Liv...

    $28.00

  • ICALEO 2012 Paper #M309 (The Impact of Graphite Coating and Wavelength on Laser Machining of Optical Glasses - Invited Presentation - 40 Minutes)

    The Impact of Graphite Coating and Wavelength on Laser Machining of Optical Glasses - Invited Presentation - 40 Minutes
    Authors:
    Krystian L. Wlodarczyk, Institute of Photonics and Quantum Sciences, School of Engineering and Physical Sciences, Heriot-Watt Univ.; Edinburgh Scotland
    Frank Albri, Institute of Photonics and Quantum Sciences, School of Engineering and Physical Sciences, Heriot-Watt Univ.; Edinburgh Scotland
    Robert R. J. Maier, Institute of Photonics and Quantum Sciences, School of Engineering and Physical Sciences, Heriot-Watt Univ.; Edinburgh Scotland
    Nick J. Weston, Renishaw Plc; Edinburgh Scotland
    Duncan P. Hand, Institute of Photonics and Quantum...

    $28.00

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