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5 March 2021 Analysis of thermal loading on several skin models according to different laser parameters, application in tattoo removal
Laëtitia Rodrigues, Thomas Bugea, Romain Royon, William Renard
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Proceedings Volume 11618, Photonics in Dermatology and Plastic Surgery 2021; 1161807 (2021) https://doi.org/10.1117/12.2578164
Event: SPIE BiOS, 2021, Online Only
Abstract
Using a picosecond laser that delivers bursts of ultrashort pulses may improve thermal effects and limit side effects, compared to a sub-nanosecond laser. This study aims to analyse how the temperature increases on agar with or without black ink and on human skin. Results showed that large beams, and so long macropulses, present higher peaks of temperature than the small ones, as well as when fluencies and frequencies increase. Besides, higher thermal loading occurred with the nanosecond pulses. These results may explain why picosecond laser induces less side effects than sub-nanosecond laser.
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Laëtitia Rodrigues, Thomas Bugea, Romain Royon, and William Renard "Analysis of thermal loading on several skin models according to different laser parameters, application in tattoo removal", Proc. SPIE 11618, Photonics in Dermatology and Plastic Surgery 2021, 1161807 (5 March 2021); https://doi.org/10.1117/12.2578164
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KEYWORDS
Skin
Thermal modeling
Picosecond phenomena
Ultrafast phenomena
Infrared lasers
Laser applications
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