Evaluating the potential eye hazard at visible wavelengths of the supercontinuum generated by a NIR femtosecond laser in water

Xomalin G. Peralta; Joseph E. Clary; Amanda M. Peterson; Gary D. Noojin; Brian J. Lund; Francesco J. Echeverria; Benjamin A. Rockwell

doi:10.1117/12.2576781

5 March 2021 Evaluating the potential eye hazard at visible wavelengths of the supercontinuum generated by a NIR femtosecond laser in water

Xomalin G. Peralta, Joseph E. Clary, Amanda M. Peterson, Gary D. Noojin, Brian J. Lund, Francesco J. Echeverria, Benjamin A. Rockwell

Author Affiliations +

Proceedings Volume 11640, Optical Interactions with Tissue and Cells XXXII; 1164004 (2021) https://doi.org/10.1117/12.2576781
Event: SPIE BiOS, 2021, Online Only

Abstract

Pulsed lasers with ultrashort pulse durations have become ubiquitous in a variety of applications, including laser eye surgery. Therefore, the role of nonlinear optical effects, such as supercontinuum generation, needs to be considered when evaluating their potential hazard. We used a NIR femtosecond laser to generate a supercontinuum within an artificial eye. We recorded the visible spectra of the supercontinuum generated and calculated the energy contained within the visible band. Our results indicate that for certain exposure conditions, the supercontinuum’s energy within the visible range surpasses the maximum permissible energy allowed for visible wavelengths by the laser safety standards.

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Xomalin G. Peralta, Joseph E. Clary, Amanda M. Peterson, Gary D. Noojin, Brian J. Lund, Francesco J. Echeverria, and Benjamin A. Rockwell "Evaluating the potential eye hazard at visible wavelengths of the supercontinuum generated by a NIR femtosecond laser in water", Proc. SPIE 11640, Optical Interactions with Tissue and Cells XXXII, 1164004 (5 March 2021); https://doi.org/10.1117/12.2576781

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