AI Article Synopsis
- The study analyzed magnetodielectric resonances of selenium (Se) colloids for the first time, aiming to use them in creating optical metafluids.
- Key advantages of Se colloids include high refractive index, excellent structural uniformity, and easy availability, which helped observe directional light scattering known as Kerker-type.
- The findings indicate that Se colloids could serve as versatile magnetodielectric components for developing efficient optical antennas that can be easily manufactured using techniques like spin-coating and painting.
Article 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) high-refractive-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.
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| http://dx.doi.org/10.1364/OE.25.013822 | DOI Listing |
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