9 February 2012 Towards a tunable fiber source for coherent Raman imaging
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We demonstrate a fiber-based two-color source of picosecond pulses for coherent Raman scattering (CRS) microscopy. An Yb-doped fiber laser combined with a divided-pulse amplifier produce up to 3 W of power tunable from 1030 nm to 1040 nm. A normal dispersion photonic crystal fiber is used to blue-shift the pulses through seeded four-wave mixing. Pulses with up to 150 mW of average power are produced, tunable between 770 nm and 800 nm. Imaging of animal tissue and cells is demonstrated.
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Simon Lefrancois, Dan Fu, Gary Holtom, Lingjie Kong, William Wadsworth, Patrick Schneider, Robert Herda, Armin Zach, X. Sunney Xie, Frank W. Wise, "Towards a tunable fiber source for coherent Raman imaging", Proc. SPIE 8226, Multiphoton Microscopy in the Biomedical Sciences XII, 822620 (9 February 2012); doi: 10.1117/12.920187; https://doi.org/10.1117/12.920187

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