Subsurface Ablation of Biological Materials by Ultra-short Laser Pulses

Nicholas I. Smith; Katsumasa Fujita; Osamu Nakamura; Satoshi Kawata; Tetsuro Takamatsu

The 4th Pacific Rim Conference on Lasers and Electro-Optics
Technical Digest Series (Optica Publishing Group, 2001),
paper MJ1_3

Subsurface Ablation of Biological Materials by Ultra-short Laser Pulses

Nicholas I. Smith, Katsumasa Fujita, Osamu Nakamura, Satoshi Kawata, and Tetsuro Takamatsu

Conference on Lasers and Electro-Optics/Pacific Rim 2001

Chiba Japan
15–19 July 2001
ISBN:

From the session
Novel Techniques for Biomedical Optics [Room J] (MJ1)

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N. I. Smith, K. Fujita, O. Nakamura, S. Kawata, and T. Takamatsu, "Subsurface Ablation of Biological Materials by Ultra-short Laser Pulses," in The 4th Pacific Rim Conference on Lasers and Electro-Optics, Technical Digest Series (Optica Publishing Group, 2001), paper MJ1_3.

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Abstract

Submicron sized damage spots were created inside collagen gel by multiphoton absorption of ultra-short 775nm laser pulses. Submicron nodules were formed both near the surface and at a depth of up to 30 µm to test the behaviour and depth-dependence of the damage threshold.

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