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Proceedings Paper

Ablation processing of advanced materials by tailored femtosecond laser pulse
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Paper Abstract

We have developed an automatic pulsewidth tunable femtosecond Ti:sapphire laser system that can generate an output of 50fs - 1ps and sub-mJ/pulse at a repetition rate of 1 kpps. The automatic pulse compressor enables one to control the pulsewidth in the range of 50fs - 1ps by use of a personal computer (PC). We describe our recent results of tailored ablation processing of advanced functional materials such as GaN, BN, and hydroxyapatite. By use of the femtosecond laser pulse tailored for a specific material, we have demonstrate precise material procesing without chemical composition change and heat affected zone. The fabrication of optical waveguide in fused silica is also described.

Paper Details

Date Published: 4 November 2003
PDF: 12 pages
Proc. SPIE 5226, 12th International School on Quantum Electronics: Laser Physics and Applications, (4 November 2003); doi: 10.1117/12.519508
Show Author Affiliations
Minoru Obara, Keio Univ. (Japan)
Peter A. Atanasov, Keio Univ. (Japan)

Published in SPIE Proceedings Vol. 5226:
12th International School on Quantum Electronics: Laser Physics and Applications
Peter A. Atanasov; Alexander A. Serafetinides; Ivan N. Kolev, Editor(s)

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