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Pulsed illumination spectral-domain optical coherence tomography for human retinal imaging

被引：17
作者：
You, Jang-Woo
Chen, Teresa C.
Mujat, Mircea
Park, B. Hyle
de Boer, Johannes F.
机构：
[1] Korea Adv Inst Sci & Technol, Dept Mech Engn, Taejon 305701, South Korea
[2] Massachusetts Eye & Ear Infirm, Boston, MA 02114 USA
[3] Harvard Univ, Sch Med, Boston, MA 02114 USA
[4] Harvard Univ, Sch Med, Massachusetts Gen Hosp, Wellman Ctr Photomed, Boston, MA 02114 USA
来源：
OPTICS EXPRESS | 2006年 / 14卷 / 15期
关键词：
D O I：
10.1364/OE.14.006739
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We present pulsed illumination spectral-domain optical coherence tomography ( SD-OCT) for in vivo human retinal imaging. We analyze the signal-to-noise ( SNR) for continuous wave ( CW) and pulsed illumination SD-OCT. The lateral beam scan motion is responsible for a SNR drop due to lateral scanning induced interference fringe washout. Pulsed illumination can reduce the SNR drop by shorter sample illumination time during the integration time of a camera. First, we demonstrate the SNR benefit of pulsed illumination over CW as function of lateral scan speed for a paper sample. Finally, we show better SNR in retinal images of a normal subject with pulsed illumination SD-OCT over CW at high lateral scanning speed. (c) 2006 Optical Society of America.
引用
收藏
页码：6739 / 6748
页数：10
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