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Welding of Transparent Materials Using Femtosecond Laser Pulses
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- Tamaki Takayuki
- Department of Material and Life Science, Graduate School of Engineering, Osaka University
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- Watanabe Wataru
- Department of Material and Life Science, Graduate School of Engineering, Osaka University
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- Nishii Junji
- Photonics Research Institute, Kansai Center, National Institute of Advanced Industrial Science and Technology
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- Itoh Kazuyoshi
- Department of Material and Life Science, Graduate School of Engineering, Osaka University
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Description
We report on laser welding between transparent materials without the insertion of intermediate layers such as glue by use of near-infrared femtosecond laser pulses. When femtosecond laser pulses are focused at the interface of transparent materials, the material around the focal point is melted and resolidified because of the temperature increases due to the localized nonlinear absorption of optical pulse energy. We experimentally succeeded in laser welding between two pieces of silica glass without the insertion of an intermediate layer by femtosecond laser pulses. This technique has a possible application to the joining of semiconductors such as silicon crystals.
Journal
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- Japanese Journal of Applied Physics
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Japanese Journal of Applied Physics 44 (20-23), L687-L689, 2005
The Japan Society of Applied Physics
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Details 詳細情報について
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- CRID
- 1390282681240777472
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- NII Article ID
- 10016150872
- 210000059624
- 130004533335
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- NII Book ID
- AA10650595
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- ISSN
- 13474065
- 00214922
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- NDL BIB ID
- 7339294
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL Search
- Crossref
- CiNii Articles
- OpenAIRE
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- Abstract License Flag
- Disallowed