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Optical coherence tomography system based on Matlab and ActiveX control

Published:2015-06-08 author:LUO Man-ting1，YOU Teng-fei1，ZHANG Qiu-kun1， ZHONG Jian-feng1，ZHONG Shun-cong1，2 Browse: 4868 Check PDF documents

Optical coherence tomography system based on Matlab

and ActiveX control

LUO Man-ting1，YOU Teng-fei1，ZHANG Qiu-kun1，

ZHONG Jian-feng1，ZHONG Shun-cong1，2

（1. Laboratory of Optics，Terahertz and Non-destructive Testing & Evaluation，School of Mechanical Engineering

and Automation，Fuzhou University，Fuzhou 350108，China；

2. Fujian Key Laboratory of Medical Instrument and Pharmaceutical Technology，Fuzhou 350108，China）

Abstract：In order to boost optical coherence tomography（OCT）research，Matlab and ActiveX control were employed in the development

of time-domain OCT imaging system. In the software，scanning module of system was used to perform depth scan in accordance with the

required timing and parameters. NI data-acquisition card was used to obtain OCT interference signal synchronously. OCT signals were

processed using some signal processing methods，including stationary wavelet transform denoising etc. The full width at half maximum

（FWHM）of the interference waveform was calculated to achieve the resolution of the developed OCT system. The processed OCT data

was reconstructed to 2D OCT images. The results indicate that the developed OCT system have been highly integrated with a friendly

interface and it is convenient for software maintenance and upgrade. Therefore，it can facilitate the research of optical coherence

tomography. The system could be recommended to use in non-destructive testing and evaluation of multi-layered thin films.

Key words：Matlab Toolbox；optical coherence tomography（OCT）；ActiveX control

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