Journal
OPTICS EXPRESS
Volume 25, Issue 10, Pages 11491-11502Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.25.011491
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Funding
- Bertarelli Program in Translational Neuroscience and Neuroengineering
- Wyss Center for Bio- and Neuro-Engineering [10455]
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Ultrashort pulse ablation has become a useful tool for micromachining and biomedical surgical applications. Implementation of ultrashort pulse ablation in confined spaces has been limited by endoscopic delivery and focusing of a high peak power pulse. Here we demonstrate ultrashort pulse ablation through a thin multi-core fiber (MCF) using wavefront shaping, which allows for focusing and scanning the pulse without requiring distal end optics and enables a smaller ablation tool. The intensity necessary for ablation is significantly higher than for multiphoton imaging. We show that the ultimate limitations of the MCF based ablation are the nonlinear effects induced by the pulse in the MCFs cores. We characterize and compare the performance of two devices utilizing a different number of cores and demonstrate ultrashort pulse ablation on a thin film of gold. (C) 2017 Optical Society of America
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