Optical vortex induced microdroplet with a plasmonic nanocore

Haruki Kawaguchi; Kei Umesato; Kanta Takahashi; Keisaku Yamane; Ken-ichi Yuyama; Satoyuki Kawano; Katsuhiko Miyamoto; Takadhige Omatsu

doi:10.1117/12.2616033

27 October 2021 Optical vortex induced microdroplet with a plasmonic nanocore

Haruki Kawaguchi, Kei Umesato, Kanta Takahashi, Keisaku Yamane, Ken-ichi Yuyama, Satoyuki Kawano, Katsuhiko Miyamoto, Takadhige Omatsu

Author Affiliations +

Proceedings Volume 11926, Optical Manipulation and Structured Materials Conference 2021; 119260G (2021) https://doi.org/10.1117/12.2616033
Event: SPIE Technologies and Applications of Structured Light, 2021, Online, Japan

Abstract

We demonstrate the creation of a microdroplet with a plasmonic Au nanoparticle core by employing the optical vortex laser-induced forward transfer technology. The single plasmonic nanoparticle in the microdroplet is printed as a plasmonic nanocore on a receiver substrate with a spatial resolution beyond the diffraction limit. This phenomenon manifests that the optical vortex traps three-dimensionally only a suspended single Au nanoparticle in its dark core by its repulsive force owing to plasmonic resonance, and it has the potential to realize a myriad of plasmonic structured materials.

Citation Download Citation

Haruki Kawaguchi, Kei Umesato, Kanta Takahashi, Keisaku Yamane, Ken-ichi Yuyama, Satoyuki Kawano, Katsuhiko Miyamoto, and Takadhige Omatsu "Optical vortex induced microdroplet with a plasmonic nanocore", Proc. SPIE 11926, Optical Manipulation and Structured Materials Conference 2021, 119260G (27 October 2021); https://doi.org/10.1117/12.2616033

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