Measurement of crater geometries after laser ablation of bone tissue with optical coherence tomography

被引：7
|
作者：
Zhan, Zhenlin [1 ]
Zhang, Xianzeng [1 ]
Ye, Qing [2 ,3 ]
Xie, Shusen [1 ]
机构：
[1] Fujian Normal Univ, Minist Educ, Key Lab Optoelect Sci & Technol, Fuzhou 350007, Peoples R China
[2] Fujian Prov Hosp, Dept Otolaryngol, Fuzhou 350001, Peoples R China
[3] Fujian Med Univ, Prov Clin Coll, Fuzhou 350001, Peoples R China
来源：
CHINESE OPTICS LETTERS | 2008年 / 6卷 / 12期
基金：
中国国家自然科学基金;
关键词：
Carbonization - Bone - Laser ablation - Carbon dioxide lasers - Pulse repetition rate - Pulsed lasers - Geometry - Optical tomography;
D O I：
10.3788/COL20080612.0896
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The feasibility of measuring crater geometries by use of optical coherence tomography (OCT) is examined. Bovine shank bone on a motorized translation stage with a motion velocity of 3 mm/s is ablated with a pulsed CO2 laser in vitro. The laser pulse repetition rate is 60 Hz and the spot size on the tissue surface is 0.5 mm. Crater geometries are evaluated immediately by both OCT and histology methods after laser irradiation. The results reveal that OCT is capable of measuring crater geometries rapidly and noninvasively as compared to histology. There are good correlation and agreement between crater depth estimates obtained by two techniques, whereas there exists distinct difference between crater width estimates when the carbonization at the sides of craters is not removed.
引用
收藏
页码：896 / 898
页数：3
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