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Proceedings Paper

Material-vapor dynamics during ablation with ultrashort pulses
Author(s): Detlef Breitling; Klaus-Peter Mueller; Andreas Ruf; Peter Berger; Friedrich Dausinger
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Paper Abstract

We have studied ablation plumes generated by femtosecond and picosecond-laser pulses using various optical methods for both single-pulse ablation as well as for drilling with up to 1 kHz repetition rate. Time-resolved shadow and resonance-absorption photographs visualize the plume- and vapor-expansion behavior in the nanosecond- and microsecond-time domains whereas the detection of Mie-scattered 308 nm-radiation allows to qualify the vapor movement and accumulation up to several milliseconds, i.e. well beyond the corresponding pulse-to-pulse separation at 1 kHz repetition rate.

Paper Details

Date Published: 18 November 2003
PDF: 6 pages
Proc. SPIE 5063, Fourth International Symposium on Laser Precision Microfabrication, (18 November 2003); doi: 10.1117/12.540608
Show Author Affiliations
Detlef Breitling, Univ. Stuttgart (Germany)
Klaus-Peter Mueller, Univ. Stuttgart (Germany)
Andreas Ruf, Univ. Stuttgart (Germany)
Peter Berger, Univ. Stuttgart (Germany)
Friedrich Dausinger, Univ. Stuttgart (Germany)

Published in SPIE Proceedings Vol. 5063:
Fourth International Symposium on Laser Precision Microfabrication
Isamu Miyamoto; Andreas Ostendorf; Koji Sugioka; Henry Helvajian, Editor(s)

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