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Conferences > ACOFT > 2016 > JT4A > JT4A.8

White Light Induced Mode Switching in a Graphene Flake Mixed ZnO Random Laser

Ryo Niyuki, Hideki Fujiwara, and Keiji Sasaki

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Abstract

We observed lasing mode switching within a graphene flake mixed ZnO random structure induced by white light irradiation. From the results, we confirmed that thermal negative expansion of grapheme flakes induced by the white light absorption would cause the lasing mode changes in the random lasers. The present study would provide a method for tuning of lasing modes in random structures.

© 2016 Optical Society of America

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