...离焦检测，三维存储，自动聚焦，固体浸没透镜，高度检测，高度控制，飞秒激光脉冲，石英，近场，时域有限差分法。 [gap=3615]Key words】 optical data storage； optical disk； detection of focus deviation； auto-focus； solid immersion lens； height detection； height controlling； f..
基于8个网页-相关网页
·2,447,543篇论文数据，部分数据来源于NoteExpress
激光直写机是制作衍射光学元件的关键设备，离焦检测技术是其中的重要单元技术之一。
Laser direct writing system is the key equipment for fabrication of optical diffractive elements, and the defocus detection technique is the important sub-tech in it.
本文在传统差动像散检测方法基础上，给出一种基于单向离焦的差动像散检测方法。
In this paper, the differential astigmatic detection method for defocus measurement with one-way defocused detector is developed from the conventional differential as.
目前实时检测的内容主要有焊接过程的稳定性、装配质量、离焦量、焊缝熔深和表面形貌、熔池与小孔的形态等。
The present research mainly focuses on detecting the processing stability, assembly quality, defocusing, weld penetration, weld shape, pool and keyhole, etc.
应用推荐