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Proceedings Paper

Generation of uniformly spaced and nanosized structures by interfering femtosecond laser beams
Author(s): Yoshiki Nakata; Tatsuo Okada; Mitsuo Maeda
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Paper Abstract

To correlate femtosecond laser beams in wide region and achieve laser ablation, beam correlators based on coherent optical system were developed. By processing thin films using the systems, uniformly spaced and nano-sized structures were generated. The generated structures were nanohole, grating, nanobump, bead on bump, standing bead. The shape of the structure changed on changing the laser fluence, the number of beams, and the correlation parameters. By peeling the structures, nano-sized materials such as nanomesh and nanobelt were generated.

Paper Details

Date Published: 15 July 2004
PDF: 11 pages
Proc. SPIE 5339, Photon Processing in Microelectronics and Photonics III, (15 July 2004);
Show Author Affiliations
Yoshiki Nakata, Kyushu Univ. (Japan)
Tatsuo Okada, Kyushu Univ. (Japan)
Mitsuo Maeda, Kyushu Univ. (Japan)


Published in SPIE Proceedings Vol. 5339:
Photon Processing in Microelectronics and Photonics III
Jan J. Dubowski; Peter R. Herman; Friedrich G. Bachmann; Willem Hoving; Jim Fieret; David B. Geohegan; Frank Träger; Kunihiko Washio; Alberto Pique; Xianfan Xu; Tatsuo Okada, Editor(s)

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