Space-selective laser joining of dissimilar transparent materials using femtosecond laser pulses

DOI PDF 被引用文献9件
  • Wataru Watanabe
    Photonics Research Institute, National Institute of Advanced Industrial Science and Technology , 1-8-31 Midorigaoka, Ikeda, Osaka 563-8577, Japan
  • Satoshi Onda
    Osaka University Department of Material and Life Science, Graduate School of Engineering, , 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
  • Takayuki Tamaki
    Osaka University Department of Material and Life Science, Graduate School of Engineering, , 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
  • Kazuyoshi Itoh
    Osaka University Department of Material and Life Science, Graduate School of Engineering, , 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
  • Junji Nishii
    Photonics Research Institute, National Institute of Advanced Industrial Science and Technology , 1-8-31 Midorigaoka, Ikeda, Osaka 563-8577, Japan

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<jats:p>We report on the joining of dissimilar transparent materials based on localized melting and resolidification of the materials only around the focal volume due to nonlinear absorption of focused femtosecond laser pulses. We demonstrate the joining of borosilicate glass and fused silica, whose coefficients of thermal expansion are different. The joint strength and the transmittance through joint volume were investigated by varying the translation velocity of the sample and the pulse energy of the irradiated laser pulses.</jats:p>

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