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- W4384570551 abstract "分析传统直射式和斜射式激光位移传感器的特性，结合两者的优势，设计了一种基于自准直原理的紧凑型激光位移传感器。在结构上，利用直线结构取代了大三角的光路布局，形成自准直式光路结构。引入分光比50%的分束镜，与光轴成45°角放置，将会聚透镜和成像透镜合为一枚，并使聚光镜、分束镜和光电探测器共轴，简化了系统结构，减小了仪器体积，同时，推导了符合自准直原理的Scheimpflug条件。利用光学设计软件Zemax对光学系统进行仿真，系统采用单透镜的结构形式，前表面为Forbes非球面，入瞳直径<inline-formula><tex-math id=M1>begin{document}$ D=4;text{mm} $end{document}</tex-math></inline-formula>，视场角<inline-formula><tex-math id=M2>begin{document}$ text{2}omega =4^{circ}$end{document}</tex-math></inline-formula>，总长<inline-formula><tex-math id=M3>begin{document}$L = 20;{text{mm}}$end{document}</tex-math></inline-formula>，成像质量和系统尺寸均达到最佳。该系统具有测量范围大、分辨力高、结构尺寸小、光能损失小等特点，通过实验与Keyence激光位移传感器比较，该系统能够保证测头分辨力<inline-formula><tex-math id=M4>begin{document}$1;{text{μm}}$end{document}</tex-math></inline-formula>、综合检测精度<inline-formula><tex-math id=M5>begin{document}$ pm {text{2}};{text{μm}}$end{document}</tex-math></inline-formula>的技术指标。" @default.
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- W4384570551 date "2023-01-01" @default.
- W4384570551 modified "2023-10-16" @default.
- W4384570551 title "Optical system design of compact laser displacement sensor based on auto-collimation principle" @default.
- W4384570551 doi "https://doi.org/10.5768/jao202344.0401003" @default.
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