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Full Volumetric Video Rate OCT of the Posterior Eye with up to 195.2 Volumes/s

机译:后眼的全体积视频速率OCT,最高195.2 Volumes / s

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摘要

Full volumetric high speed OCT imaging of the retina with multiple settings varying in volume size and volume rate is presented. The volume size ranges from 255×255 A-scans to 160×40 A-scans with 450 samples per depth scan. The volume rates vary between 20.8 V/s for the largest volumes to 195.2 V/s for the smallest. The system is based on a 1060nm Fourier domain mode locked (FDML) laser with 1.6MHz line rate. Scanning along the fast axis is performed with a 2.7 kHz or 4.3 kHz resonant scanner operated in bidirectional scanning mode, while a standard galvo scanner is used for the slow axis. The performance is analyzed with respect to various potential applications, like intraoperative OCT.
机译:呈现了视网膜的全体积高速OCT成像,具有在体积大小和体积速率上变化的多种设置。体积大小从255×255 A扫描到160×40 A扫描,每个深度扫描有450个样本。体积速率在最大体积的20.8 V / s和最小体积的195.2 V / s之间变化。该系统基于线频为1.6MHz的1060nm傅里叶域锁模(FDML)激光器。沿快轴扫描是通过在双向扫描模式下运行的2.7 kHz或4.3 kHz共振扫描仪执行的,而慢轴则使用标准的振镜扫描仪。针对各种潜在应用(如术中OCT)分析了性能。

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  • 来源
  • 会议地点 San Francisco CA(US)
  • 作者单位

    Institut fuer Biomedizinische Optik, Universitaet zu Luebeck, Luebeck, Peter-Monnik-Weg 4,23562 Luebeck, Germany,Lehrstuhl fuer BioMolekulare Optik, Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen, Oettingenstr. 67, 80538 Munich, Germany;

    Lehrstuhl fuer BioMolekulare Optik, Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen, Oettingenstr. 67, 80538 Munich, Germany;

    Lehrstuhl fuer BioMolekulare Optik, Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen, Oettingenstr. 67, 80538 Munich, Germany;

    Lehrstuhl fuer BioMolekulare Optik, Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen, Oettingenstr. 67, 80538 Munich, Germany;

    Institut fuer Biomedizinische Optik, Universitaet zu Luebeck, Luebeck, Peter-Monnik-Weg 4,23562 Luebeck, Germany;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Optical coherence tomography; OCT; tunable laser; Fourier domain mode locking; FDML; MHz OCT;

    机译:光学相干断层扫描;华侨城;可调激光器傅立叶域模式锁定; FDML;兆赫OCT;

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