无形碳化光子学用于超声波成像
R Tufan Erdogan1, Bruno Lopez-Rodriguez2, Wouter J Westerveld1
1Department of Precision and Microsystems Engineering, Faculty of Mechanical Engineering, Delft University of Technology, Delft, The Netherlands.
Communications physics
|January 23, 2026
概括
无形碳化 (a-SiC) 能够实现微型光子超声传感器,具有高灵敏度和宽带宽. 这些新型传感器实现了高级超声波成像应用的优异分辨率.
科学领域:
- 光子学 是一个光子学.
- 材料科学 材料科学 材料科学
- 生物医学工程 生物医学工程
背景情况:
- 与传统方法相比,光子超声波传感器提供了更高的分辨率和灵敏度.
- 在实现小型化,高灵敏度和宽带宽同时实现方面仍然存在挑战.
- 光学材料可以提高传感器的性能和稳定性.
研究的目的:
- 引入无形碳化 (a-SiC) 作为小型光子超声传感器的新材料.
- 为了证明a-SiC微波传感器在灵敏度,带宽和噪声等效压力方面的性能.
- 为了验证a-SiC传感器在高分辨率超声波成像中的实际应用.
主要方法:
- 使用无形碳化 (a-SiC) 制造微型微型传感器.
- 开发一个紧的检测系统,使用20个传感器线性阵列与单个总线波导相合.
- 传感器性能的表征,包括光学精度,内在灵敏度和在广泛的频率范围内噪声等价压力.
主要成果:
- 达到1320的光学精度和78 fm/kPa的内在灵敏度.
- 显示噪声等价压力低于55mPa/√Hz,校准从3.36MHz到30MHz.
- 精细结构的高分辨率成像得到了验证,证实了其实际应用.
- a-SiC的低沉积温度有助于在各种基板上进行集成.
结论:
- 无形碳化 (a-SiC) 是用于先进光学超声波传感的有希望的材料.
- a-SiC 能够开发出具有高灵敏度,带宽宽的微型传感器.
- 这项技术有可能成为下一代超声波成像系统.
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