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

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 dev...

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Bibliographic Details
Published in:Microscopy research and technique 2008-08, Vol.71 (8), p.559-563
Main Authors: Chan, Ming-Che, Chu, Shi-Wei, Tseng, Chien-Hung, Wen, Yu-Chieh, Chen, Yi-Hsien, Su, Guo-Dung John, Sun, Chi-Kuang
Format: Article
Language:English
Subjects:
Actins - ultrastructure
Animals
Cattle
Chromium
Endoscopes
Fiber Optic Technology - instrumentation
fiber optics imaging
Lasers
Microscopy - instrumentation
Microscopy - methods
Muscles - ultrastructure
nonlinear microscopy
Optical Fibers
pulse propagation
Silicon Compounds
Tendons - ultrastructure
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Summary: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. Microsc. Res. Tech., 2008. © 2008 Wiley‐Liss, Inc.
ISSN:1059-910X
1097-0029
DOI:10.1002/jemt.20586