Mechanisms of femtosecond laser nanoprocessing of biological cells and tissues

被引：10
|
作者：
Vogel, Alfred [1 ]
Noack, Joachim [1 ]
Huettmann, Gereon [1 ]
Paltauf, Guenther [2 ]
机构：
[1] Univ Lubeck, Peter Monnik Weg 4, D-23562 Lubeck, Germany
[2] Karl Franzens Univ Graz, Inst Phys, A-8010 Graz, Austria
来源：
COLA'05: 8TH INTERNATIONAL CONFERENCE ON LASER ABLATION | 2007年 / 59卷
关键词：
D O I：
10.1088/1742-6596/59/1/053
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We investigated the working mechanisms of femtosecond laser nanoprocessing in biomaterials with oscillator pulses of 80 MHz repetition rate and with amplified pulses of 1 kHz repetition rate. Plasma formation in water, the evolution of the temperature distribution, thermoelastic stress generation, and stress-induced cavitation bubble formation were numerically simulated for NA = 1.3 and the outcome compared to experimental results. A comparison of the thresholds for the various physical effects with experimental parameters enables to assess the working mechanisms of both modalities for cell surgery.
引用
收藏
页码：249 / +
页数：2
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