Transient pressure field measurement of Ho:YAG laser in water

Evan Wendell; Jian J. Zhang; Ori Bassan

doi:10.1117/12.3000230

12 March 2024 Transient pressure field measurement of Ho:YAG laser in water

Evan Wendell, Jian J. Zhang, Ori Bassan

Proceedings Volume 12817, Advanced Photonics in Urology 2024; 1281707 (2024) https://doi.org/10.1117/12.3000230
Event: SPIE BiOS, 2024, San Francisco, California, United States

Abstract

The urology field's workhorse for both soft tissue and stone removal has been the flashlamp-pumped CTH:YAG or Ho:YAG (Cr3⁺, Tm3⁺, Ho3⁺) triple doped yttrium aluminum garnet laser for over twenty years. The transient pressure field profile of the vapor bubbles produced by laser pulses provides key insight for understanding kidney stone ablation and retropulsion. The goal of this study is to evaluate the transient pressure field profile of the vapor bubbles in water produced by the laser modes of a Ho:YAG laser. A hydrophone measures the transient pressure field from the laser lithotripsy fiber tip at various locations. Based on the symmetry of the device and environment, the transient pressure field ellipsoid can be constructed with the measurement results. The transient pressure field profiles are significantly different across the standard laser modes.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Evan Wendell, Jian J. Zhang, and Ori Bassan "Transient pressure field measurement of Ho:YAG laser in water", Proc. SPIE 12817, Advanced Photonics in Urology 2024, 1281707 (12 March 2024); https://doi.org/10.1117/12.3000230

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