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SESSION 4A DYNAMIC TISSUE PROPERTIES DURING IRRADIATION
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aasox ablation onset ablation process ablation threshold absorption coefficient acoustic biological tissue bone C02 laser calculated cancer cells channel coagulated Congo Red cornea crater crater depth decrease dentin dependence diameter DMBA drilling effect energy density erbium excimer laser excitation experimental experiments fiber Figure fluence fluorescence gelatin heat holmium hyperthermia increase infrared intensity irradiation laser ablation laser beam laser energy laser irradiation laser pulse laser radiation laser-induced LASER-TISSUE INTERACTION layer lesions light material maximum measured mechanism Nd:YAG laser normal optical fiber optical properties parameters peak photochemical photodynamic therapy Photofrin photosensitizer photospall plasma porphyrins power density pressure profiles pulse duration pulse separation Q-switched repetition rate saline scattering sequenced pulse shows single pulse skin spall spectra surface temperature surgery technique thermal damage thrombus tissue ablation tissue samples tumor values vapor velocity vitro vivo wave wavelength zone