Measurement of Bubble Behavior and Impact on Solid Wall Induced by Fiber-Holmium:YAG Laser

The holmium:YAG (Ho:YAG) laser is effectively used for transurethral ureterolithotripsy. The laser is applied through an optical fiber in a ureter. A bubble is formed by a laser irradiated from the fiber tip and a calculus is crushed by the impact of the bubble collapse. In this study, we observed the characteristic behavior of a bubble induced by a Ho:YAG laser near a wall surface, using a high-speed video camera. Furthermore, we measured the forces of a bubble collapse using an impulsive force sensor. As a result, we showed characteristic bubble collapse behavior and impulsive force distribution for various fiber placement conditions.

来源: Measurement of Bubble Behavior and Impact on Solid Wall Induced by Fiber-Holmium:YAG Laser

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