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    Low-loss optical waveguide fabrication with double-pulse femtosecond lasers

    Nagata, T. / Kamata, M. / Obara, M. | IEEE | 2004
    Low-loss optical waveguides are realized by fabricating the waveguides inside a variety of glasses with double-pulse fs lasers with ...
    Verlag: IEEE

    Processing of hydroxyapatite and collagen by tailored femtosecond laser pulse

    Hagiwara, Y. / Ozono, K. / Obara, M. | IEEE | 2003
    This paper reports on the demonstration of ablation processing of hydroxyapatite (HAp) and collagen using a high intensity femtosecond ...
    Verlag: IEEE

    Heat-affected zone evaluation of copper and iron metals induced by femtosecond laser ablation

    Hirayama, Y. / Obara, M. | IEEE | 2003
    In this paper, we would like to report on the heat-affected zone measurement of copper and iron bulk metals ablated with 100 fs Ti:sapphire ...
    Verlag: IEEE

    Microstructure fabrication of GaN and Si substrates using intense femtosecond laser

    Ozono, K. / Obara, M. | IEEE | 2001
    We report on the demonstration of non-thermal, high-speed microstructure fabrication of GaN and Si substrates using high-intensity ...
    Verlag: IEEE

    A high finesse external cavity with a LiB/sub 3/O/sub 5/ crystal for efficient frequency doubling of CW Ti:sapphire laser

    Iwane, T. / Asakawa, Y. / Kumagai, H. et al. | IEEE | 2002
    % and the cavity finesse was 260. The output power was very stable with a power fluctuation of less than 2% for a second when the standard ...
    Verlag: IEEE

    Optogalvanic spectroscopy of silicon atoms

    Ueda, Y. / Iwane, T. / Kumagai, H. et al. | IEEE | 2002
    We performed optogalvanic spectroscopy of silicon atoms with a deep ultraviolet coherent light source, and observed spectral lines around ...
    Verlag: IEEE

    Frequency chirp and pulse width control of internal modification of transparent material using tailored femtosecond laser pulse

    Imahoko, T. / Obara, M. | IEEE | 2001
    To experimentally investigate the frequency-chirp- and pulse-width-dependent modification of silica glass, we use the chirped pulse ...
    Verlag: IEEE

    Photonic device fabrication inside transparent materials by tailored femtosecond laser processing

    Kamata, M. / Obara, M. | IEEE | 2003
    incident pulsewidth of 150 fs, incident energy of 15 /spl mu/J and effective NA of 0.007 and laser irradiation time of 10 min for each line ...
    Verlag: IEEE

    Optical fiber delivery of intense ultrashort laser for endoscopic medical applications

    Kamino, L. / Kanai, M. / Obara, M. | IEEE | 2003
    Verlag: IEEE

    Formation of very low-resistance aluminum layer on AlN ceramics by TEA CO/sub 2/ laser irradiation for direct laser writing of electric circuit

    Takahashi, A. / Yabe, H. / Obara, M. | IEEE | 1996
    / laser with a long penetration depth. AlN shows a moderate absorption coefficient in the mid infrared range over 10 /spl mu/m and it is possible ...
    Verlag: IEEE

    Fabrication of fiber Bragg grating by femtosecond laser interferometry

    Oi, K. / Barnier, F. / Obara, M. | IEEE | 2001
    The aim of this study is to fabricate and evaluate the transmission and reflection of FBGs induced by focused femtosecond laser ...
    Verlag: IEEE

    Self-phase modulation in perfluorinated polymer-based GI polymer optical fiber with intense femtosecond laser pulse

    Kanai, M. / Obara, M. | IEEE | 2001
    near infrared region, small material dispersion, large core size and flexibility, the PF polymer-based POF has large potential in a high peak ...
    Verlag: IEEE