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Coextensive synchronized SLO-OCT with adaptive optics for human retinal imaging

机译:共同延伸同步SLO-OCT,具有人类视网膜成像的自适应光学

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摘要

We describe the details of a multimodal retinal imaging system which combines adaptive optics (AO) with an integrated scanning light ophthalmoscopy (SLO) and optical coherence tomography (OCT) imaging system. The OCT subsystem consisted of a swept-source, Fourier-domain mode-locked (FDML) laser, with a very high A-scan rate (1.6 MHz), whose beam was raster scanned on the retina by two scanners-one resonant scanner and one galvanometer. The high sweep rate of the FDML permitted the SLO and OCT to utilize the same scanners for in vivo retinal imaging and, unlike existing multimodal systems, concurrently acquired SLO frames and OCT volumes with approximate en face correspondence at a rate of 6 Hz. The AO provided diffraction-limited cellular resolution for both imaging channels. (C) 2019 Optical Society of America
机译:我们描述了多模式视网膜成像系统的细节,其将自适应光学(AO)与集成扫描光眼镜(SLO)和光学相干断层扫描(OCT)成像系统相结合。 OCT子系统由扫描源,傅立叶域模式锁定(FDML)激光器组成,具有非常高的扫描速率(1.6 MHz),其梁通过两个扫描仪 - 一个谐振扫描仪在视网膜上扫描栅格 - 一个谐振扫描仪 一个电流计。 FDML的高扫描速率允许SLO和OCT用于在体内视网膜成像中利用相同的扫描仪,并且与现有的多模式系统不同,同时获取的SLO帧和10卷,其具有6Hz的速率近似的对应关系。 AO为两种成像通道提供衍射限制的蜂窝分辨率。 (c)2019年光学学会

著录项

  • 来源
    《Optics Letters》 |2019年第17期|共4页
  • 作者单位

    UC Davis Eye Ctr Dept Ophthalmol &

    Vis Sci Vis Sci &

    Adv Retinal Imaging Lab VSRI Sacramento CA 95817 USA;

    UC Davis Eye Ctr Dept Ophthalmol &

    Vis Sci Vis Sci &

    Adv Retinal Imaging Lab VSRI Sacramento CA 95817 USA;

    UC Davis Eye Ctr Dept Ophthalmol &

    Vis Sci Vis Sci &

    Adv Retinal Imaging Lab VSRI Sacramento CA 95817 USA;

    UC Davis Eye Ctr Dept Ophthalmol &

    Vis Sci Vis Sci &

    Adv Retinal Imaging Lab VSRI Sacramento CA 95817 USA;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 计量学;光学;
  • 关键词

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