一个紧的,开源的基于微控制器的快速自动调整系统
Yanda Geng1, Alan Tsidilkovski2, Kevin Weber1
1Joint Quantum Institute, National Institute of Standards and Technology and the University of Maryland, College Park, Maryland 20742, USA.
The Review of scientific instruments
|September 16, 2024
概括
这项研究引入了一种使用微控制器,位置传感探测器 (PSD) 和压电镜架来保持激光束稳定的快速自动对齐系统. 该系统迅速纠正错位,在大约10秒内实现最大的光纤合效率.
科学领域:
- 光学工程是指光学工程.
- 精确度测量 精确度测量 精确度测量
- 嵌入式系统 嵌入式系统
背景情况:
- 稳定的激光束对齐对于许多光学应用来说至关重要.
- 激光轨迹的漂移可以显著降低系统性能.
- 现有的对齐方法可能缺乏速度和精度.
研究的目的:
- 开发基于微控制器的激光光束快速自动对齐系统.
- 证明系统能够检测和纠正轨道偏移的能力.
- 为了实现高效的激光合到单模光纤.
主要方法:
- 采用二维双侧位置传感探测器 (PSD) 进行光束位置检测.
- 使用的是带有压电驱动器的镜子支架,用于精确的光束方向.
- 在使用FreeRTOS的微控制器上实现了自动对齐策略作为状态机器.
主要成果:
- 开发集成的硬件和软件,用于PSD接口和压电驱动器控制.
- 在大约10秒内成功恢复了最大的光纤合效率.
- 证明有效的对齐校正,即使从零合效率的状态.
结论:
- 基于微控制器的自动调整系统可以快速准确地纠正激光束偏移.
- 该系统显著提高了光学设置的效率,特别是光纤合.
- 开发的策略为实时维护激光束稳定性提供了强大的解决方案.
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