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Proceedings Paper

Observation of inner surface laser-induced periodic surface structures in a microhole produced in a glass optical fiber by varying femtosecond laser pulse number and energy
Author(s): Daisuke Yano; Masahiko Shiraishi; Kazuhiro Watanabe; Shoichi Kubodera
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Paper Abstract

Laser-induced periodic surface structures (LIPSS) formation was observed inside a microhole produced in an optical fiber, when the femtosecond laser pulse number and the laser energy were optimized to be 150 and 30μJ, respectively. We have also found that LIPSS were formed only at the bottom of the microhole, which may be responsible for the strong evanescent field produced by the femtosecond laser propagating inside the microhole.

Paper Details

Date Published: 3 January 2019
PDF: 5 pages
Proc. SPIE 11042, XXII International Symposium on High Power Laser Systems and Applications, 110420V (3 January 2019); doi: 10.1117/12.2522444
Show Author Affiliations
Daisuke Yano, Soka Univ. (Japan)
Masahiko Shiraishi, Soka Univ. (Japan)
Kazuhiro Watanabe, Soka Univ. (Japan)
Shoichi Kubodera, Soka Univ. (Japan)

Published in SPIE Proceedings Vol. 11042:
XXII International Symposium on High Power Laser Systems and Applications
Paolo Di Lazzaro, Editor(s)

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