使用薄膜幻影与光谱域牙科OCT系统的散射系数估计
H M S S Herath1, Nuwan Madusanka2, Eun Seo Choi3
1Department of Industry 4.0 Convergence Bionics Engineering, Pukyong National University, Busan 48513, Republic of Korea.
Sensors (Basel, Switzerland)
|February 13, 2026
概括
这项研究提出了一个新的框架,使用牙科光学一致性断层扫描 (DEN-OCT) 来估计薄膜幻影中的光学散射特性,验证其用于牙科成像的性能.
科学领域:
- 生物医学光学 生物医学光学
- 光学成像技术的成像
- 牙科技术 牙科技术
背景情况:
- 光学散射特性对于理解组织光学至关重要.
- 牙科光学一致性断层扫描 (DEN-OCT) 提供了高分辨率成像能力.
- 对散射的准确表征对于生物医学应用至关重要.
研究的目的:
- 开发和验证一个框架来估计薄膜幻影的光学散射特性.
- 为了评估定制的光谱域牙科光学一致性断层扫描 (DEN-OCT) 系统的性能.
- 展示DEN-OCT在牙科和生物医学成像中的定量分析的潜力.
主要方法:
- 制造具有受控光学特性的薄膜幻影.
- 使用一个定制的光谱域牙科光学一致性断层扫描 (DEN-OCT) 系统 (780-900 nm).
- 应用贝尔-兰伯特和扩散近似模型,光谱测量和蒙特卡洛模拟进行分析.
主要成果:
- DEN-OCT系统实现了高深度分辨率成像 (16.30微米轴分辨率,2.5毫米有效范围).
- 幻影表现出明显的散射配置,模仿硬和软组织.
- 来自OCT A扫描的减弱系数与光谱光度数据相关,表明散射占主导地位.
结论:
- 综合框架提供了一种可靠的方法,用于在牙科的OCT中进行定量分散估计.
- 开发的DEN-OCT系统显示了对先进的牙科和生物医学成像的巨大潜力.
- 这项工作建立了一条经过验证的途径,用于使用OCT提取定量光学参数.
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