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7 February 2023 Effects of laser pulse profiles on bubble dynamics
Steven Peng, Aditi Ray, Jian James Zhang, Thomas Hasenberg, Mike O'Brien, Hyun Wook Kang
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Proceedings Volume PC11958, Optical Interactions with Tissue and Cells XXXIII; and Advanced Photonics in Urology; PC119580H (2023) https://doi.org/10.1117/12.2610040
Event: SPIE BiOS, 2022, San Francisco, California, United States
Abstract
Laser lithotripsy has clinically been implemented to treat urinary stone disease by using a Ho:YAG laser system. Bubble dynamics plays an important role in determining stone ablation efficiency. The current study developed a two-phase opto-thermal model to numerically assess the bubble dynamics during laser irradiation. The simulation involved light propagation, light and water interaction, and multi-phase heat and mass transfer. The simulation was verified by the experimental setup including Ho:YAG lasers, fiber in water, and high-speed camera. Both the numerical simulations and the experimental results showed a good agreement in predicting the effects of laser pulses on the bubble dynamics.
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Steven Peng, Aditi Ray, Jian James Zhang, Thomas Hasenberg, Mike O'Brien, and Hyun Wook Kang "Effects of laser pulse profiles on bubble dynamics", Proc. SPIE PC11958, Optical Interactions with Tissue and Cells XXXIII; and Advanced Photonics in Urology, PC119580H (7 February 2023); https://doi.org/10.1117/12.2610040
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KEYWORDS
Pulsed laser operation
Fiber lasers
Laser ablation
Laser development
Laser irradiation
Laser lithotripsy
Laser systems engineering
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