Measurement of Lubricant Film Thickness Using Spectral Domain Optical Coherence Tomography (SD-OCT)

被引：0
作者：
Qin, Y-W. [1 ,2 ]
Zhao, H. [1 ]
Zhang, L. [1 ]
机构：
[1] Xi An Jiao Tong Univ, State Key Lab Mfg Syst Engn, Xian 710049, Peoples R China
[2] Weinan Normal Univ, Sch Phys & Elect Engn, Weinan 714000, Peoples R China
来源：
LASERS IN ENGINEERING | 2015年 / 31卷 / 3-4期
基金：
中国博士后科学基金;
关键词：
Laser; lubricant; flint thickness; optical coherence tomography (OCT); spectral domain optical coherence tomography (SD-OCT); cross-sectional image; IN-VIVO;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A thermal-light source spectral domain optical coherence tomography (SD-OCT) was introduced to measure lubricant film thickness. An efficient interference spectrum decoupling algorithm was used to improve the signal-to-noise ratio and image contrast by eliminating both the direct current (DC) and the autocorrelation noise. Then high quality one-dimensional (1-D) depth and two-dimensional (2-D) image of the film were obtained with the proposed method. The film thickness was measured from the obtained image. It was experimentally demonstrated that this method can achieve the accurate measurement of lubricant film thickness.
引用
收藏
页码：129 / 139
页数：11
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