针对传统检焦法复杂度高、稳定性差等问题,提出一种基于图像处理的自准直检焦方法。通过自准直法与图像处理相结合的方法来提高检......

设计并模拟了一种基于光子晶体自准直效应的二维介质圆柱光子晶体迈克耳孙干涉仪。此结构包括一个分束器和两个反射器。利用有限时......

How to measure the two-dimensional attitude angle of space target and achieve stable tracking and aiming has become an i......

A compact terahertz (THz) wave collimator is proposed,which works under the frequency from 2.4 THz to 2.7 THz with a pho......