扫描源光学连贯性断层扫描中的空间扭曲是由于横向扫描而引起的
Optics express
|November 14, 2024
概括
在扫描源光学连贯性断层扫描 (SS-OCT) 中的侧向扫描会导致测量错误. 这些与多普勒转移相关的错误可以通过分析光谱扫描方向来预测.
科学领域:
- 生物医学光学 生物医学光学
- 光学一致性断层扫描技术
- 计量学 计量学 计量学
背景情况:
- 扫描源光学连贯性断层扫描 (SS-OCT) 是一个关键的成像模式.
- 在SS-OCT中的侧向扫描可以在测量中引入文物.
- 了解这些文物对于准确的成像至关重要.
研究的目的:
- 调查轴距离测量中的错误和SS-OCT的轮偏差.
- 分析横向扫描对SS-OCT图像精度的影响.
- 建立一种预测扫源调方向的方法.
主要方法:
- 开发一个理论模型来解释测量错误.
- 理论模型的实验验证.
- 对多普勒转移频率与侧向扫描参数的分析.
主要成果:
- 错误和偏差与横向扫描的多普勒转移频率直接相关.
- 每个横扫描间隔的扫描次数较少会导致更大的错误.
- 轮误差的标志与光谱扫描方向相关.
结论:
- 侧向扫描在SS-OCT轴测量和轮中引入了可预测的错误.
- 多普勒偏移是这些扫描诱导的工件的根本原因.
- 光谱扫描方向可以在没有光学光谱分析仪的情况下预测扫描源调整.
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