Plasmonic Au nano-needle fabricated by optical vortex laser illumination

Kai Izumisawa,Tatsuyuki Sugimoto,Yuri Nakamura,Katsuhiko Miyamoto,Tsukasa Torimoto,Ryuji Morita,Takashige Omatsu

Proceedings of SPIE（2017）

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摘要

We reported on a plasmonic metal Au nano-needle by nanosecond optical vortex pulse illumination. The Au nano-needle with a tip-diameter of < 100 nm was structured by illumination of a single vortex pulse.

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关键词

Optical Vortex,Orbital Angular Momentum,Laser Materials Processing,Au,Nano-needle

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