Pulse duration dependence of metal ablation using a femtosecond titanium sapphire laser

Kentaro Furusawa; Kousuke Takahashi; Sung-Hak Cho; Hiroshi Kumagai; Katsumi Midorikawa; Minoru Obara

doi:10.1117/12.377001

1 February 2000 Pulse duration dependence of metal ablation using a femtosecond titanium sapphire laser

Kentaro Furusawa, Kousuke Takahashi, Sung-Hak Cho, Hiroshi Kumagai, Katsumi Midorikawa, Minoru Obara

Proceedings Volume 3885, High-Power Laser Ablation II; (2000) https://doi.org/10.1117/12.377001
Event: Advanced High-Power Lasers and Applications, 1999, Osaka, Japan

Abstract

Ultrashort pulse laser ablation has been investigated for noble metal targets: gold, silver and copper by use of commercially available titanium sapphire laser and chirped pulse amplifier. The pulse duration dependence of the ultrashort laser ablation characteristics in sub-picosecond regime has been shown for micro-machining application purpose. The application of two different ablation regimes is proposed. In order to know the obvious laser requirements, experimental results as well as theoretical description are discussed.

Citation Download Citation

Kentaro Furusawa, Kousuke Takahashi, Sung-Hak Cho, Hiroshi Kumagai, Katsumi Midorikawa, and Minoru Obara "Pulse duration dependence of metal ablation using a femtosecond titanium sapphire laser", Proc. SPIE 3885, High-Power Laser Ablation II, (1 February 2000); https://doi.org/10.1117/12.377001

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