Porcine cortical bone ablation by ultrashort pulsed laser irradiation.

  title={Porcine cortical bone ablation by ultrashort pulsed laser irradiation.},
  author={Brent Emigh and Ran An and Eugene Hsu and T. Hugh Crawford and Harold K Haugen and Gregory R. Wohl and Joseph Hayward and Qiyin Fang},
  journal={Journal of biomedical optics},
  volume={17 2},
Ultrashort pulsed lasers in bone ablation show promise for many orthopedic applications. To minimize collateral tissue damage and control the ablation process, the ablation threshold fluence must be well characterized. Using an amplified femtosecond laser (170 fs, 800 nm, 1 kHz), the ablation threshold on unaltered porcine cortical bone was measured using the D(2) method at multiple incident pulse numbers ranging from 25 to 1000 pulses per spot. The lowered threshold at greater pulse numbers… CONTINUE READING

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