Optical coherence tomography of glass reinforced polymer composites

被引：85

作者：

Dunkers, JP ^{[1
]}

Parnas, RS

Zimba, CG

Peterson, RC

Flynn, KM

Fujimoto, JG

Bouma, BE

机构：

[1] Natl Inst Stand & Technol, Div Polymers, Gaithersburg, MD 20899 USA

[2] MIT, Dept Elect Engn & Comp Sci, Cambridge, MA 02139 USA

[3] MIT, Elect Res Lab, Cambridge, MA 02139 USA

来源：

COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 1999年 / 30卷 / 02期

关键词：

glass fibers; optical coherence tomography;

D O I：

10.1016/S1359-835X(98)00084-0

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Optical coherence tomography (OCT) is a nondestructive and noncontact technique to image microstructure within scattering media. The application of OCT to highly scattering materials such as polymer composites is especially challenging. In this work, OCT is evaluated as a technique to image fiber tows and voids in two materials: an epoxy E-glass-reinforced composite and a vinyl-ester E-glass-reinforced composite. Features detected using OCT are compared with optical microscopy. Fiber architecture and voids of glass-reinforced polymer composites can be successfully imaged using OCT. The quality of the OCT image is strongly affected by the refractive index mismatch between the fibers and reinforcement. The largest sources of noise in the images arise from fiber lens effects, interference from within the sample, and a very large reflection at the surface. (C) 1998 Elsevier Science Ltd. All rights reserved.

引用

页码：139 / 145

页数：7

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