The 78th JSAP Autumn Meeting, 2017

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3 Optics and Photonics » 3.7 Laser processing

[8a-A410-1~8] 3.7 Laser processing

Fri. Sep 8, 2017 9:30 AM - 11:45 AM A410 (410)

Tomohito Otobe(QST), Hiroshi Yoshikawa(Saitama University)

10:15 AM - 10:30 AM

[8a-A410-4] Self-induced lasing from a GaN substrate by intense pulsed laser irradiation

〇Hideki Fujiwara1, Keiji Sasaki1 (1.RIES, Hokkaido Univ.)

Keywords:GaN substrate, random laser

We report on the spontaneous induction of laser oscillation by forming a surface roughness structure on a GaN substrate under intense pulsed laser irradiation.