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Fabrication of a micro-optical lens using femtosecond laser 3D micromachining for two-photon imaging of bio-tissues

  • Lingling Qiao
  • , Fei He
  • , Chen Wang
  • , Yang Liao
  • , Ya Cheng*
  • , Koji Sugioka
  • , Katsumi Midorikawa
  • , Change Pan
  • , Xunbin Wei
  • *Corresponding author for this work
  • CAS - Shanghai Institute of Optics and Fine Mechanics
  • University of Chinese Academy of Sciences
  • RIKEN
  • Fudan University

Research output: Contribution to journalArticlepeer-review

Abstract

We report, for the first time to our knowledge, on the application of a micro-optical lens fabricated by three-dimensional (3D) femtosecond laser direct writing for two-photon fluorescence imaging of biological tissues. We show that the two-photon fluorescence images of a plant leaf tissue acquired with the micro-optical lens are comparable to that of a 5× objective lens. Our result represents an important step towards the application of micro-optical components fabricated by femtosecond laser micromachining in miniaturized nonlinear fluorescence microscopy applications, such as two-photon endoscopy.

Original languageEnglish
Pages (from-to)2988-2991
Number of pages4
JournalOptics Communications
Volume284
Issue number12
DOIs
StatePublished - 1 Jun 2011
Externally publishedYes

Keywords

  • Bio-tissue
  • Femtosecond laser micromachining
  • Micro-optical lens
  • Surface roughness
  • Two-photon imaging

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