High-penetration swept source Doppler optical coherence angiography by fully numerical phase stabilization
High-penetration swept source Doppler optical coherence angiography by fully numerical phase stabilization
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DOI：
10.1364/oe.20.002740
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发表时间：
2012-01-30
期刊：
影响因子：
3.8
通讯作者：
Yasuno, Yoshiaki
中科院分区：
文献类型：
--
作者：
Hong, Young-Joo;Makita, Shuichi;Yasuno, Yoshiaki
研制了一种基于1 μ m短腔激光器的高穿透率扫频光源光学相干层析成像系统。应用多普勒OCT处理，沿着定制的数字相位稳定算法;该过程不需要额外的校准硬件。因此，我们的相位稳定方法是简单的，可以在各种SS-OCT系统。通过使用不同时间间隔进行多普勒处理的两种多普勒模式，成功地对深层脉络膜中的双向血流和脉管系统进行了成像。将多普勒频移平方幂的正面投影图像与ICGA进行了比较，验证了该方法的实用性。(C)2012美国光学学会
A high-penetration swept-source optical coherence tomography (HP-SS-OCT) system based on a 1-mu m short cavity laser is developed. Doppler OCT processing is applied, along with a custom-made numerical phase stabilization algorithm; this process does not require additional calibration hardware. Thus, our phase stabilization method is simple and can be employed in a variety of SS-OCT systems. The bidirectional blood flow and vasculature in the deep choroid was successfully imaged via two Doppler modes that use different time intervals for Doppler processing. En face projection image of squared power of Doppler shift is compared to ICGA, and the utility of our method is verified. (C) 2012 Optical Society of America