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15 February 2013Investigation of the morphology of the features generated via femtosecond lasers in the interior of a bovine cornea sections
Nonlinear absorption of femtosecond laser pulses enables the induction of bubble cavities in the interior of eye cornea
without affecting other parts of an eye, a phenomena utilized for flap formation in laser assisted corneal surgery. In the
present study laser pulses were focused in the interior of the sections of bovine cornea. Tight focus of the laser pulses
results in the plasma formation followed by its explosive expansion, which drives cavity formation. The morphology of
the generated features as well as the nature of the physical mechanisms of the phenomenon as a function of process
parameters is discussed. Numerical model is proposed to develop predictive capabilities for the feature size and shape
and the results are compared against the experimental findings.
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Sinisa Vukelic, Panjawat Kongsuwan, Y. Lawrence Yao, "Investigation of the morphology of the features generated via femtosecond lasers in the interior of a bovine cornea sections," Proc. SPIE 8579, Optical Interactions with Tissue and Cells XXIV, 857904 (15 February 2013);