嵌入式闪光灯材料在最终建造的光纤辐射传感探头中的有效长度的实验和理论研究
Yichen Li1, Yong Feng2, Jingjing Wang1
1Key Lab of In-Fiber Integrated Optics, Ministry Education of China, College of Physics and Optoelectronic Engineering, Harbin Engineering University, Harbin 150001, China.
Sensors (Basel, Switzerland)
|November 13, 2025
概括
使用无机闪器优化光纤辐射探针对于精确放射治疗至关重要. 这项研究引入了一个"有效长度"的概念,揭示了更短的闪光灯可以提高空间分辨率,而不会影响信号质量.
科学领域:
- 医学物理 医学物理
- 材料科学 材料科学 材料科学
- 光学工程是指光学工程.
背景情况:
- 光纤辐射传感探测器使用无机闪器来实现高空间分辨率和线性,用于放射治疗剂量测量.
- 现有的探测器经常使用长闪光灯,可能会影响制造和空间分辨率.
- 为了优化,需要对闪电器发光合到光纤的理论理解.
研究的目的:
- 开发一个理论模型,用于将闪光灯的发光合到光纤中.
- 根据纤维数值孔径和自我吸收,推导出光强度的公式.
- 为了引入和验证"有效闪器长度"的概念,用于探头优化.
主要方法:
- 建立了闪光灯发光合的理论模型.
- 根据数值孔径和自我吸收,推导出光强度计算公式.
- 进行了数值模拟,以确定光强度对闪光灯长度的反应,并开发了用于实验验证的探针.
主要成果:
- 一个新的"闪电器有效长度"概念是从数值模拟中衍生出来的.
- 使用不同长度 (0.2-2.0毫米) 的探针进行的实验结果与理论预测有很好的一致性.
- 最佳有效的闪光灯长度被确定为0.62毫米.
结论:
- 用于末端构建的光纤探头的无机闪器不需要过长的长度.
- 分析有效长度可以减少闪电器的使用,简化制造和增强空间分辨率.
- 这项研究为优化光纤辐射探测器,改善信号噪声比和空间分辨率提供了见解.
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