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Single A-Line Method for Fast Sample-Structure-Nondependent Dispersion Compensation of FD-OCT
IEEE Photonics Technology Letters ( IF 2.6 ) Pub Date : 2021-11-13 , DOI: 10.1109/lpt.2021.3126164
Guangming Ni , Xiaohui Du , Jing Zhang , Lin Liu , Juanxiu Liu , Yong Liu

Here we proposed a single A-line sample-structure-nondependent (SSNd) dispersion detection and compensation method for Fourier-domain optical coherence tomography (FD-OCT), without need for acquiring and processing B-scan data. A new FD-OCT dispersion mismatch index, based on the line slope of the bright line in the A-line spectrogram, has been presented in the proposed method. With the new dispersion mismatch index, the proposed single A-line method can fast and visually detect the dispersion mismatch states of FD-OCT setup and perform the SSNd dispersion compensation, just using a single A-line. Experimental results of multiple samples demonstrated the advantages and convenience of the proposed method, and also proved that the proposed method can be used to analyze the relation of OCT imaging and optical path difference between the sample and reference arms.

中文翻译:

FD-OCT 快速样本结构无关色散补偿的单线法

在这里,我们提出了一种用于傅立叶域光学相干断层扫描 (FD-OCT) 的单 A 线样本结构无关 (SSNd) 色散检测和补偿方法,无需获取和处理 B 扫描数据。该方法提出了一种新的 FD-OCT 色散失配指数,该指数基于 A 线光谱图中亮线的线斜率。使用新的色散失配指数,所提出的单 A 线方法可以快速、直观地检测 FD-OCT 设置的色散失配状态并执行 SSNd 色散补偿,只需使用单条 A 线。多个样品的实验结果证明了该方法的优点和便利性,
更新日期:2021-11-23
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