Dynamic control of reflective/diffusive optical surfaces on EGaIn liquid metal

Keisuke Nakakubo; Hiroaki Yoshioka; Kinichi Morita; Ryoichi Ishimatsu; Abolfazl Kiani; Hans Hallen; Michael D. Dickey; Yuji Oki

doi:10.1364/OME.425432

Dynamic control of reflective/diffusive optical surfaces on EGaIn liquid metal

Keisuke Nakakubo, Hiroaki Yoshioka, Kinichi Morita, Ryoichi Ishimatsu, Abolfazl Kiani, Hans Hallen, Michael D. Dickey, Yuji Oki

研究成果: ジャーナルへの寄稿 › 学術誌 › 査読

5 被引用数 (Scopus)

抄録

We report a method to dynamically control the surface of gallium-based liquid metal to switch between reflective/diffusive states by removing/depositing oxide films via electrochemical redox reactions. Electrochemical oxidation deposits rough surface oxides that are optically diffusive. Electrochemical reduction returns the metal to a pristine, smooth, and reflective state. This switching is achieved using only ±1.4V. In addition, a meniscus of liquid metal can be pumped to switch between concave/convex shapes. This work expands the range of optical applications of dynamic liquid metal surfaces.

本文言語	英語
ページ（範囲）	2099-2108
ページ数	10
ジャーナル	Optical Materials Express
巻	11
号	7
DOI	https://doi.org/10.1364/OME.425432
出版ステータス	出版済み - 7月 1 2021

!!!All Science Journal Classification (ASJC) codes

電子材料、光学材料、および磁性材料

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title = "Dynamic control of reflective/diffusive optical surfaces on EGaIn liquid metal",

abstract = "We report a method to dynamically control the surface of gallium-based liquid metal to switch between reflective/diffusive states by removing/depositing oxide films via electrochemical redox reactions. Electrochemical oxidation deposits rough surface oxides that are optically diffusive. Electrochemical reduction returns the metal to a pristine, smooth, and reflective state. This switching is achieved using only ±1.4V. In addition, a meniscus of liquid metal can be pumped to switch between concave/convex shapes. This work expands the range of optical applications of dynamic liquid metal surfaces.",

author = "Keisuke Nakakubo and Hiroaki Yoshioka and Kinichi Morita and Ryoichi Ishimatsu and Abolfazl Kiani and Hans Hallen and Dickey, {Michael D.} and Yuji Oki",

note = "Publisher Copyright: {\textcopyright} 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement",

year = "2021",

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doi = "10.1364/OME.425432",

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T1 - Dynamic control of reflective/diffusive optical surfaces on EGaIn liquid metal

AU - Nakakubo, Keisuke

AU - Yoshioka, Hiroaki

AU - Morita, Kinichi

AU - Ishimatsu, Ryoichi

AU - Kiani, Abolfazl

AU - Hallen, Hans

AU - Dickey, Michael D.

AU - Oki, Yuji

PY - 2021/7/1

Y1 - 2021/7/1

N2 - We report a method to dynamically control the surface of gallium-based liquid metal to switch between reflective/diffusive states by removing/depositing oxide films via electrochemical redox reactions. Electrochemical oxidation deposits rough surface oxides that are optically diffusive. Electrochemical reduction returns the metal to a pristine, smooth, and reflective state. This switching is achieved using only ±1.4V. In addition, a meniscus of liquid metal can be pumped to switch between concave/convex shapes. This work expands the range of optical applications of dynamic liquid metal surfaces.

AB - We report a method to dynamically control the surface of gallium-based liquid metal to switch between reflective/diffusive states by removing/depositing oxide films via electrochemical redox reactions. Electrochemical oxidation deposits rough surface oxides that are optically diffusive. Electrochemical reduction returns the metal to a pristine, smooth, and reflective state. This switching is achieved using only ±1.4V. In addition, a meniscus of liquid metal can be pumped to switch between concave/convex shapes. This work expands the range of optical applications of dynamic liquid metal surfaces.

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DO - 10.1364/OME.425432

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AN - SCOPUS:85108445386

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EP - 2108

JO - Optical Materials Express

JF - Optical Materials Express

SN - 2159-3930

IS - 7

ER -

Dynamic control of reflective/diffusive optical surfaces on EGaIn liquid metal

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!!!All Science Journal Classification (ASJC) codes

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