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Femtosecond laser interactions with Co/Al multilayer films

Published online by Cambridge University Press:  01 February 2011

Yoosuf N. Picard ,
David P. Adams  and
Steven M. Yalisove
Yoosuf N. Picard
Affiliation:
Dept. of Materials Science and Engineering, University of Michigan, Ann Arbor, MI 48109–2176, U.S.A. Center for Ultrafast Optical Science, University of Michigan, Ann Arbor, MI 48109–2099, U.S.A.
David P. Adams
Affiliation:
Advanced Manufacturing Processes Lab, Sandia National Laboratories, Albuquerque, NM 87185–0959, U.S.A.
Steven M. Yalisove
Affiliation:
Dept. of Materials Science and Engineering, University of Michigan, Ann Arbor, MI 48109–2176, U.S.A. Center for Ultrafast Optical Science, University of Michigan, Ann Arbor, MI 48109–2099, U.S.A.
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Abstract

Reactive multilayer films of Co and Al were irradiated using femtosecond and nanosecond pulse-length lasers. While no ignition of a self-propagation reaction occurred during the laser machining studies, we observe considerable differences in the morphology and extent of damage induced by femtosecond and nanosecond lasers. Using scanning electron microscopy, we show that single metal layers can be removed at the micron scale with negligible damage to the underlying layers using femtosecond pulse-length lasers.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 850: Symposium MM – Ultrafast Lasers for Materials Science , 2004 , MM1.9
Copyright
Copyright © Materials Research Society 2005

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References

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