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Two-photon fluorescence excitation with a microlens fabricated on the fused silica chip by femtosecond laser micromachining

  • Fei He*
  • , Ya Cheng
  • , Lingling Qiao
  • , Chen Wang
  • , Zhizhan Xu
  • , Koji Sugioka
  • , Katsumi Midorikawa
  • , Ji Wu
  • *此作品的通讯作者
  • CAS - Shanghai Institute of Optics and Fine Mechanics
  • University of Chinese Academy of Sciences
  • RIKEN
  • Imperial College London

科研成果: 期刊稿件文章同行评审

摘要

We report on the fabrication of a microlens on a fused silica chip with excellent optical performance by femtosecond laser microfabrication. We show, both in theory and experimentally, that the fabricated microlens offers a high resolution approaching the optical diffraction limit. Moreover, two-photon excitation of fluorescence with the fabricated microlens is demonstrated. The lateral and axial resolutions of fluorescence are measured to be ∼1.7 and 12.3 μm, respectively.

源语言英语
文章编号041108
期刊Applied Physics Letters
96
4
DOI
出版状态已出版 - 2010
已对外发布

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