E-mail Alert
RSS2019 Vol. 2, No. 4
Cover Story：Sun Q, Yu H, Ueno K, Zu S, Matsuo Y et al. Revealing the plasmon coupling in gold nanochains directly from the near field. Opto-Electron Adv 2, 180030 (2019).
To provide better guidelines for the design of nanophotonic devices, precisely revealing plasmonic properties at nanoscale is needed. The research group of Prof. Hiroaki Misawa from the Research Institute for Electronic Science at Hokkaido University studies on the plasmonic properties by using PEEM. They developed an ultrafast PEEM system, which allows to characterize the near-field properties of surface plasmons in multiple (spatial, spectral, and temporal) domains. Recently, they experimentally investigated the plasmon coupling in finite one-dimensional (1-D) gold nanoparticle chains by PEEM using near infrared femtosecond laser pulses as the excitation source. They obtained the near-field mapping exhibiting the local field enhancement sites with ~ 10 nm spatial resolution.
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Prof. Xiangang Luo
