Quantification of calculus fragmentation by Er:YAG laser light was experimentally discussed. Er:YAG laser light was delivered to reach a calculus or a model calculus underwater by using a sealed hollow optical fiber. Fragmentation efficiency was obtained for alumina ball used as a model of calculus when sealing caps with various focusing effect were used. Three types of human calculi were analyzed and their absorption properties at the wavelength of Er:YAG laser light were obtained. The relationship among the absorption property, constituents of calculus, and the fragmentation efficiency were also discussed.
|Number of pages||9|
|Journal||Progress in Biomedical Optics and Imaging - Proceedings of SPIE|
|Publication status||Published - 2005|
|Event||Optical Fibers and Sensors for Medical Applications V - San Jose, CA, United States|
Duration: 2005 Jan 22 → 2005 Jan 25