DocumentCode
375826
Title
Subsurface ablation of biological materials by ultra-short laser pulses
Author
Smith, N.I. ; Fujita, K. ; Nakamura, O. ; Kawata, S. ; Takamatsu, T.
Author_Institution
Dept. of Appl. Phys., Osaka Univ., Japan
Volume
1
fYear
2001
fDate
15-19 July 2001
Abstract
Submicron sized damage spots were created inside collagen gel by multiphoton absorption of ultra-short 775 nm laser pulses. Submicron nodules were formed both near the surface and at a depth of up to 30 /spl mu/m to test the behaviour and depth-dependence of the damage threshold.
Keywords
biological effects of laser radiation; laser applications in medicine; proteins; two-photon processes; 775 nm; biological materials; collagen gel; damage localisation; damage threshold; depth-dependence; fluorescent dyes addition; focal depth; laser-induced damage effects; multiphoton absorption; number of pulses; reflection confocal image; submicron sized damage spots; subsurface ablation; total exposure time; two-photon absorption; ultrashort laser pulses; Absorption; Biological materials; Biomedical optical imaging; Electric breakdown; Fluorescence; Laser ablation; Laser theory; Microscopy; Optical pulses; Power lasers;
fLanguage
English
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics, 2001. CLEO/Pacific Rim 2001. The 4th Pacific Rim Conference on
Conference_Location
Chiba, Japan
Print_ISBN
0-7803-6738-3
Type
conf
DOI
10.1109/CLEOPR.2001.967811
Filename
967811
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