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    • 9. 发明申请
    • EN-FACE OCT WITH PARALLEL DETECTOR ARRAY
    • 具有平行检测器阵列的EN-FACE OCT
    • US20090153874A1
    • 2009-06-18
    • US12092503
    • 2006-10-31
    • John A. RogersMark Hathaway
    • John A. RogersMark Hathaway
    • G01B11/02
    • G01N21/4795A61B3/102
    • In an OCT apparatus, an object light beam is returned from a target and interferes with a reference light beam. Image information is obtained from a depth Z in the target that depends on the optical path difference between the object and reference beams with a resolution that depends on the coherence length of the light. A scanner transversely scans the target with the object beam over a plurality of image points defined by the resolution of the apparatus. Interface optics directs the reference and object beams onto an array of detector elements such that the optical path difference between the reference beam and the object beam varies across the array. The reference beam and the object beam interfere with each other over the array of detector elements for individual image points on the target during each transverse scan. A memory stores a subset of data points corresponding to each individual image point obtained from each detector elements of the array. A processor processes one or more of the subsets of data points to derive image information extending over a range of depths in the target for each individual image point. The obtained image information is displayed on a displace device.
    • 在OCT设备中,物体光束从目标返回并干扰参考光束。 图像信息从目标中的深度Z获得,其取决于取决于光的相干长度的分辨率的对象和参考光束之间的光程差。 扫描仪在由设备的分辨率限定的多个图像点上用对象光束横向扫描目标。 接口光学器件将参考光束和物体光束引导到检测器元件阵列上,使得参考光束和物体光束之间的光程差在阵列上变化。 参考光束和物体光束在每个横向扫描期间在目标上的各个图像点的检测器元件阵列上彼此干涉。 存储器存储对应于从阵列的每个检测器元件获得的每个单独图像点的数据点的子集。 处理器处理数据点的一个或多个子集以导出在每个单独图像点的目标中的深度范围上延伸的图像信息。 获得的图像信息显示在位移装置上。
    • 10. 发明申请
    • SWEPT SOURCE OCT APPARATUS
    • SWEPT来源OCT装置
    • US20090080739A1
    • 2009-03-26
    • US12092504
    • 2006-10-31
    • John A. RogersMark Hathaway
    • John A. RogersMark Hathaway
    • G06K9/00
    • A61B3/102G01N21/4795
    • A method of performing spectral OCT imaging on a target involves repeatedly scanning said target along a transverse scanning line with an object beam derived from an OCT interferometer having a narrowband source. The wavelength of the narrowband source is modulated over a range of wavelengths at a rate that is slow relative to the rate of scanning the target. The object beam returned from the target is detected to produce a set of data obtained from multiple scans along said scanning line over the entire range of wavelengths. The data is then processed to extract an OCT image (typically a B-scan) of the target containing depth information.
    • 在目标上进行光谱OCT成像的方法涉及用具有窄带源的OCT干涉仪衍生的物体光束沿着横向扫描线重复扫描所述目标。 窄带源的波长以相对于扫描目标的速率较慢的速率在波长范围内进行调制。 检测从目标物返回的目标光束,以产生在整个波长范围内沿着扫描线从多次扫描获得的一组数据。 然后处理数据以提取包含深度信息的目标的OCT图像(通常为B扫描)。