A galvanometric scanner with a dynamic focus was designed using a PC to realize the model transform of the image, calculate the interpolation points of the image, and implement the focus compensation of the dynamic fo...A galvanometric scanner with a dynamic focus was designed using a PC to realize the model transform of the image, calculate the interpolation points of the image, and implement the focus compensation of the dynamic focus system. The interrupt of PC was used for the real-time control. It was confirmed that the PC-based galvanometric scanner with dynamic focus could run more than 72 h stably, with an accuracy of 100 ±0.1 mm, and the period of real-time control was less than 20μs.展开更多
LDS(Laser Direct Structuring)激光打标机的振镜扫描系统存在失真问题,从而造成动态聚焦误差。对激光振镜扫描系统失真问题进行了详细理论分析,建立了该振镜扫描系统的数学模型,讨论了振镜动态聚焦误差来源和误差表现,提出了LDS振镜扫...LDS(Laser Direct Structuring)激光打标机的振镜扫描系统存在失真问题,从而造成动态聚焦误差。对激光振镜扫描系统失真问题进行了详细理论分析,建立了该振镜扫描系统的数学模型,讨论了振镜动态聚焦误差来源和误差表现,提出了LDS振镜扫描系统误差矫正方法,通过实验验证了该方法的可行性。展开更多
文摘A galvanometric scanner with a dynamic focus was designed using a PC to realize the model transform of the image, calculate the interpolation points of the image, and implement the focus compensation of the dynamic focus system. The interrupt of PC was used for the real-time control. It was confirmed that the PC-based galvanometric scanner with dynamic focus could run more than 72 h stably, with an accuracy of 100 ±0.1 mm, and the period of real-time control was less than 20μs.
文摘LDS(Laser Direct Structuring)激光打标机的振镜扫描系统存在失真问题,从而造成动态聚焦误差。对激光振镜扫描系统失真问题进行了详细理论分析,建立了该振镜扫描系统的数学模型,讨论了振镜动态聚焦误差来源和误差表现,提出了LDS振镜扫描系统误差矫正方法,通过实验验证了该方法的可行性。
