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Proceedings Paper

Ablation deposition using phase-shifted ultrashort laser pulse
Author(s): Masanori Miyazawa; Atsushi Masagaki; Yasutaka Hanada; Koichi Toyoda
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Paper Abstract

The specific deposition and atomic redistribution with use of the phase-shifted laser were examined. Phase-shifting is a unique technique to realize the abrupt intensity change in a very narrow region of focused laser beam. This technique is applied to an ultra-short laser pulse to study the interaction between particles removed from very closely separated ablation spots in focal area. Using the phase- shifted focused laser beam, atomically nonuniform deposition was observed in a femtosecond laser ablation of Cu:Zn alloy target. Atomic concentration ratio of Cu and Zn was obtained by the measurement of energy dispersive X-ray analyzer.

Paper Details

Date Published: 25 February 2002
PDF: 3 pages
Proc. SPIE 4426, Second International Symposium on Laser Precision Microfabrication, (25 February 2002); doi: 10.1117/12.456890
Show Author Affiliations
Masanori Miyazawa, Science Univ. of Tokyo (Japan)
Atsushi Masagaki, Science Univ. of Tokyo (Japan)
Yasutaka Hanada, Science Univ. of Tokyo (Japan)
Koichi Toyoda, Science Univ. of Tokyo (Japan)

Published in SPIE Proceedings Vol. 4426:
Second International Symposium on Laser Precision Microfabrication
Isamu Miyamoto; Yong Feng Lu; Koji Sugioka; Jan J. Dubowski, Editor(s)

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