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Average-power mediated ultrafast laser osteotomy using a mode-locked Nd:YVO4 laser oscillator
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Average-power mediated ultrafast laser osteotomy using a mode-locked Nd:YVO4 laser oscillator

Y.M. Lee, R.Y. Tu, A.C. Chiang 和 Y.C. Huang
Journal of Biomedical Optics, 卷.12(6), 060505
11/2007
DOI: https://doi.org/10.1117/1.2821149
PMID: 18163800

摘要

Laser applications Laser-induced damage Lasers in medicine Neodymium lasers Thermal effects Ultrafast phenomena Biomedical Engineering Biomaterials Electronic Optical and Magnetic Materials Atomic and Molecular Physics and Optics Radiology Nuclear Medicine and Imaging Radiological and Ultrasound Technology Clinical Biochemistry
By using a novel temporal characterization technique, we determined that a threshold average laser power of 160 mW is required to drill through a 0.75-mm-thick cortical bone for a Nd:YVO 4 mode-locked laser oscillator with a peak intensity of 1.3 GW/cm 2 . The ablation mechanism is identified as average-power induced carbonization followed by peak-power induced avalanche ionization in the carbonized osseous tissue. © 2007 Society of Photo-Optical Instrumentation Engineers.

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