Optically evolved assembling of polystyrene microparticles at dye solution surface; Application toward an optically reconfigurable random laser

Shuichi Toyouchi*, Hsuan Yin Wang, Hiroshi Masuhara

*此作品的通信作者

研究成果: Conference contribution同行評審

摘要

In the present work, we study optical trapping of two kinds of trapping targets together, 20 µm and 1 µm PS MPs, at the solution surface. The resulting assembly has a unique structure, that 1 µm PS MPs form a belt surrounding to a single 20 µm PS MP as the body, and 3-dimensionally grows more than 50 µm in diameter even though the trapping laser focus size is only 1 µm. We further demonstrate that the optically prepared light scattering assembly can serve as a unique reconfigurable random lasing medium. As the assembly is prepared exclusively where and when trapping laser is irradiated, our study will offer a new tool for studying optically reconfigurable and tunable disordered photonics.

原文English
主出版物標題Optical Manipulation and Structured Materials Conference, OMC 2022
編輯Takashige Omatsu
發行者SPIE
ISBN(電子)9781510660656
DOIs
出版狀態Published - 2022
事件2022 Optical Manipulation and Structured Materials Conference, OMC 2022 - Yokohama, Japan
持續時間: 18 4月 202222 4月 2022

出版系列

名字Proceedings of SPIE - The International Society for Optical Engineering
12479
ISSN(列印)0277-786X
ISSN(電子)1996-756X

Conference

Conference2022 Optical Manipulation and Structured Materials Conference, OMC 2022
國家/地區Japan
城市Yokohama
期間18/04/2222/04/22

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