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October 25, 2014

Homework Help: social studies

Posted by CS on Wednesday, June 15, 2011 at 11:50pm.

For liver tissue irradiated by the pulsed Ho:YAG laser, determine the exposure duration which the equation for heat conduction may be ignored. Assume the absorption coefficient at the Ho:YAG laser wavelength is 30cm-1 and assume the thermal diffusivity of the tissue is the same as that of water. If the threshold temperature of ablation is 150óJ, determine the threshold fluence (J/cm^2) for ablation.

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