Breaking stress of glass welded with femtosecond laser pulses at high repetition rates

被引：1

作者：

Richter, Soeren ^{[1
]}

Doering, Sven ^{[1
]}

Peschel, Thomas ^{[2
]}

Eberhardt, Ramona ^{[2
]}

Nolte, Stefan ^{[1
,2
]}

Tuennermann, Andreas ^{[1
,2
]}

机构：

[1] Univ Jena, Inst Appl Phys, Max Wien Pl 1, D-07743 Jena, Germany

[2] Fraunhofer Inst Appl Opt & Precis Engn, D-07745 Jena, Germany

来源：

FRONTIERS IN ULTRAFAST OPTICS: BIOMEDICAL, SCIENTIFIC, AND INDUSTRIAL APPLICATIONS XI | 2011年 / 7925卷

关键词：

welding; femtosecond laser materials processing; high repetition rate; fused silica; TECHNOLOGY;

D O I：

10.1117/12.874529

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

We report on measurements of the breaking stress of glass substrates welded with ultrashort laser pulses. Femtosecond laser pulses at repetition rates in the MHz range are focused at the interface between two substrates, resulting in multiphoton absorption and heat accumulation from successive pulses. This leads to local melting and subsequent resolidification results in the formation of strong bonds at the interface. The achievable breaking stress of this flexible and local bonding process is discussed in detail in dependence of the processing parameters.

引用

页数：8

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