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Proceedings Paper

Pulse duration dependence of metal ablation using a femtosecond titanium sapphire laser
Author(s): Kentaro Furusawa; Kousuke Takahashi; Sung-Hak Cho; Hiroshi Kumagai; Katsumi Midorikawa; Minoru Obara
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Paper 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.

Paper Details

Date Published: 1 February 2000
PDF: 8 pages
Proc. SPIE 3885, High-Power Laser Ablation II, (1 February 2000); doi: 10.1117/12.377001
Show Author Affiliations
Kentaro Furusawa, Keio Univ. (Japan)
Kousuke Takahashi, Keio Univ. (Japan)
Sung-Hak Cho, Keio Univ. (Japan)
Hiroshi Kumagai, RIKEN--The Institute of Physical and Chemical Research (Japan)
Katsumi Midorikawa, RIKEN--The Institute of Physical and Chemical Research (Japan)
Minoru Obara, Keio Univ. (Japan)


Published in SPIE Proceedings Vol. 3885:
High-Power Laser Ablation II
Claude R. Phipps; Masayuki Niino, Editor(s)

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