Low noise, self-phase-modulation-enabled femtosecond fiber sources tunable in 740-1236 nm for wide two-photon fluorescence microscopy applications

LU TING CHOU, YU CHENG LIU, DONG LIN ZHONG, WEI ZHONG LIN, HAO HSUAN HUNG, CHAO JIN CHAN, ZI PING CHEN, SHIH HSUAN CHIA*

*此作品的通信作者

研究成果: Article同行評審

8 引文 斯高帕斯(Scopus)

摘要

We have demonstrated widely tunable Yb:fiber-based laser sources, aiming to replace Ti:sapphire lasers for the nJ-level ultrafast applications, especially for the uses of nonlinear light microscopy. We investigated the influence of different input parameters to obtain an expansive spectral broadening, enabled by self-phase modulation and further reshaped by self-steepening, in the normal dispersion regime before the fiber damage. We also discussed the compressibility and intensity fluctuations of the demonstrated pulses, to reach the transform-limited duration with a very low intensity noise. Most importantly, we have demonstrated clear two-photon fluorescence images from UV-absorbing fluorophores to deep red dye stains.

原文English
頁(從 - 到)2888-2901
頁數14
期刊Biomedical Optics Express
12
發行號5
DOIs
出版狀態Published - 1 5月 2021

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