报道了用来抑制光子晶体平板透镜表面反射的优化表面结构。
An optimized surface structure for suppressing the reflection from photonic crystal slab lens is reported.
透镜表面完全采用非球面设计，较好地校正了球差等各种像差，使透镜具有良好的光学成像性能。
The profiles of the three lenses were designed as aspheric surfaces so as to correct the aberration and ensure the excellent optical performance.
针对目前大口径精密光学透镜表面疵病检测方法的不足，提出了一种基于线阵CCD的机器视觉检测技术。
Aiming at the shortage of current inspection technology for surface flaws of large-caliber optical lens, a machine vision inspection technology based on line CCD is studied.
应用推荐