High-speed complex conjugate resolved retinal spectral domain optical coherence tomography using sinusoidal phase modulation

被引：49
|
作者：
Tao, Yuankai K. [1 ]
Zhao, Mingtao [1 ]
Izatt, Joseph A. [1 ]
机构：
[1] Duke Univ, Dept Biomed Engn, Durham, NC 27708 USA
来源：
OPTICS LETTERS | 2007年 / 32卷 / 20期
关键词：
D O I：
10.1364/OL.32.002918
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate high-speed complex conjugate artifact (CCA) resolved imaging of human retina in vivo using spectral domain optical coherence tomography. This technique utilizes sinusoidal reference mirror modulation to implement high-speed integrating buckets acquisition and a quadrature projection reconstruction algorithm in postprocessing. This method is illustrated experimentally using sets of four integrating bucket phase scans, acquired at 52 kHz, for DC suppression of 73 dB and complex conjugate suppression of 35 dB. Densely sampled (3000 A-scans/image, acquired at 4.3 images/s) full-depth in vivo images of optic nerve head show CCA suppression for most image reflections to the noise floor. (C) 2007 Optical Society of America
引用
收藏
页码：2918 / 2920
页数：3
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