Point spread function analysis with saturable and reverse saturable scattering

Hsuan Lee, Ryosuke Oketani, Yen Ta Huang, Kuan Yu Li, Yasuo Yonemaru, Masahito Yamanaka, Satoshi Kawata, Katsumasa Fujita, Shi Wei Chu

研究成果: ジャーナルへの寄稿学術誌査読

17 被引用数 (Scopus)

抄録

Nonlinear plasmonics has attracted a lot of interests due to its wide applications. Recently, we demonstrated saturation and reverse saturation of scattering from a single plasmonic nanoparticle, which exhibits extremely narrow side lobes and central peaks in scattering images [ACS Photonics 1(1), 32 (2014)]. It is desirable to extract the reversed saturated part to further enhance optical resolution. However, such separation is not possible with conventional confocal microscope. Here we combine reverse saturable scattering and saturated excitation (SAX) microscopy. With quantitative analyses of amplitude and phase of SAX signals, unexpectedly high-order nonlinearities are revealed. Our result provides greatly reduced width in point spread function of scattering-based optical microscopy. It will find applications in not only nonlinear material analysis, but also high-resolution biomedical microscopy.

本文言語英語
ページ(範囲)26016-26022
ページ数7
ジャーナルOptics Express
22
21
DOI
出版ステータス出版済み - 10月 20 2014
外部発表はい

!!!All Science Journal Classification (ASJC) codes

  • 原子分子物理学および光学

フィンガープリント

「Point spread function analysis with saturable and reverse saturable scattering」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

引用スタイル