Using highly uniform and smooth selenium colloids as low-loss magnetodielectric building blocks of optical metafluids

Yongdeok Cho, Ji Hyeok Huh, Kyung Jin Park, Kwangjin Kim, Jaewon Lee, Seungwoo Lee

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

We systematically analyzed the magnetodielectric resonances of Se colloids for the first time in an attempt to utilize them as building blocks for all-dielectric optical metafluids. By taking advantages of the synergistic properties of Se colloids, including their (i) highrefractive- index at optical frequencies, (ii) unprecedented structural uniformity, and (iii) ready availability, we were able to observe Kerker-type directional light scattering, resulting from the efficient coupling between strong electric and magnetic resonances, directly from Se colloidal suspensions. Thus, the use of Se colloids as a generic magnetodielectric building block suggests the opportunity for the production of fluidic low-loss optical antennas which can be processed via spin-coating and painting.

Original languageEnglish
Pages (from-to)13822-13833
Number of pages12
JournalOptics Express
Volume25
Issue number12
DOIs
Publication statusPublished - 2017 Jun 12
Externally publishedYes

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selenium
colloids
fluidics
availability
magnetic resonance
coating
light scattering
antennas

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Using highly uniform and smooth selenium colloids as low-loss magnetodielectric building blocks of optical metafluids. / Cho, Yongdeok; Huh, Ji Hyeok; Park, Kyung Jin; Kim, Kwangjin; Lee, Jaewon; Lee, Seungwoo.

In: Optics Express, Vol. 25, No. 12, 12.06.2017, p. 13822-13833.

Research output: Contribution to journalArticle

Cho, Yongdeok ; Huh, Ji Hyeok ; Park, Kyung Jin ; Kim, Kwangjin ; Lee, Jaewon ; Lee, Seungwoo. / Using highly uniform and smooth selenium colloids as low-loss magnetodielectric building blocks of optical metafluids. In: Optics Express. 2017 ; Vol. 25, No. 12. pp. 13822-13833.
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