Cr:Forsterite-laser-based fiber-optic nonlinear endoscope with higher efficiencies

Ming-Che Chan, Shi Wei Chu, Chien Hung Tseng, Yu Chieh Wen, Yi Hsien Chen, Guo Dung John Su, Chi Kuang Sun*

*Corresponding author for this work

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

We demonstrate a beam-scanning nonlinear light endoscope based on a flexible fiber bundle. Excited with a femtosecond Cr:Forsterite laser, the degradation in multiphoton multiharmonic excitation efficiency due to the pulse-broadening effect is significantly reduced without utilizing any external devices. The system resolution has been characterized to be 5.4 μm in the two-photon fluorescence endoscope, limited by the sampling theory. Finally, several image examples have been given.

Original languageEnglish
Pages (from-to)559-563
Number of pages5
JournalMicroscopy Research and Technique
Volume71
Issue number8
DOIs
StatePublished - 1 Aug 2008

Keywords

  • Fiber optics imaging
  • Nonlinear microscopy
  • Pulse propagation

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