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使用金属传感器进行定量相位成像内镜.

Aamod Shanker1,2, Johannes E Fröch3, Saswata Mukherjee3

  • 1Department of Electrical and Computer Engineering, University of Washington, Seattle, WA, 98195, USA. aamod@berkeley.edu.

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概括

现在可以在内镜纤维捆的尖端进行定量相成像 (QPI). 这种基于金属的新方法简化了微观成像应用的相恢复.

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科学领域:

  • 光学成像技术的使用.
  • 显微镜的使用方法
  • 生物光子学 生物光子学

背景情况:

  • 定量相成像 (QPI) 从强度数据重建光波面.
  • QPI允许对半透明样品进行地形和光学密度映射.
  • 传统的QPI方法在内镜应用中面临挑战,包括复杂的对齐和机械扫描.

研究的目的:

  • 为了证明在连贯纤维束的尖端进行定量相位成像.
  • 克服当前内镜相位成像技术的局限性.
  • 开发一个紧和简化的QPI系统用于内镜使用.

主要方法:

  • 采用化超波形金属体,具有固有的色差异.
  • 采用光谱多重复合来从多个失焦平面中恢复相位信息,在单个摄像头捕捉中.
  • 集成金属作为一个聚焦元件和光谱过器为0.5毫米孔径系统.

主要成果:

  • 实现了强大的定量相位成像,视野和0. 阶段分辨率 (大约. 0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0. 在空气中).
  • 通过内镜纤维捆绑证明了QPI的能力.
  • 基于金属的系统减轻了对多次采集,干扰度对齐或机械扫描的需求.

结论:

  • 基于金属的定量相位成像系统可用于内镜应用.
  • 开发的方法通过利用固有的染色异常和光谱复杂化来简化QPI.
  • 该系统的设计能够通过简单的计算后端实现实时操作,为先进的内镜成像铺平了道路.