Ytterbium-doped fibre femtosecond laser offers robust design with deep and precise microsurgery
Harreguy, M. B.; Marfil, V.; Gabel, C. V.; Chung, S. H.; Haspel, G.
Show abstract
Laser microsurgery is a powerful tool for neurobiology used to ablate cells and sever neurites in-vivo. We compare a relatively new laser source to two well-established designs. Rare-earth-doped mode-locked fibre laser that produce high power pulsed radiation recently gained popularity for industrial uses. Such systems are manufactured at high standards of robustness and low maintenance requirements typical of solid-state lasers. We demonstrate that an Ytterbium-doped fibre femtosecond laser is comparable in precision to other femtosecond lasers, but with added reliability. It is more precise and can lesion deeper in tissue than a solid-state nanosecond laser. These advantages are not specific to the model system ablated for our demonstration, namely neurites in the nematode C. elegans, but are applicable to other systems and transparent tissue where a precise submicron resolution dissection is required.
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