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Cr:Forsterite‐laser‐based fiber‐optic nonlinear endoscope with higher efficiencies
Author(s) -
Chan MingChe,
Chu ShiWei,
Tseng ChienHung,
Wen YuChieh,
Chen YiHsien,
Su GuoDung John,
Sun ChiKuang
Publication year - 2008
Publication title -
microscopy research and technique
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.536
H-Index - 118
eISSN - 1097-0029
pISSN - 1059-910X
DOI - 10.1002/jemt.20586
Subject(s) - forsterite , femtosecond , optics , endoscope , materials science , laser , bundle , optical fiber , excitation , fiber laser , two photon excitation microscopy , fluorescence , optoelectronics , chemistry , physics , mineralogy , medicine , quantum mechanics , composite material , radiology
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. Microsc. Res. Tech., 2008. © 2008 Wiley‐Liss, Inc.