Abstract:The creation of robust joint between different materials with notably different coefficients of thermal expansion (CTE) is an urgent task for the development of the engineering, laser technology and aerospace industry. In this regard, femtosecond laser welding is a promising technique for efficient adhesion‐free bonding of transparent materials. This paper reports on the laser welding of laser phosphate glass (CTE = 110·10−7 K−1) and spinel‐based glass‐ceramic (CTE = 50·10−7 K−1) by the Bessel beam. Dependenci… Show more
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