laser optics

It is well known that there is apparent inconsistence or paradox in the conventional theory of laser optics due to the assumed paraxial approximation or assumption of slowly varying amplitude.

众所周知，传统激光光学理论，由于采用了傍轴近似或缓变振幅近似，存在明显的不自洽性和佯谬；

互联网摘选

According to the basic traditional theory of laser optics and the novel properties of negative-index material, the theory model for paraxial Gaussian beams in the NIM is obtained from the Maxwell equations.

利用传统激光光学的基本原理，结合负折射率材料的新特性，从Maxwell方程组出发，建立负折射率材料中傍轴高斯光束传输的理论模型。

互联网摘选

Laser Ranging System aiming to achieve functional: Laser Ranging System Laser optics and laser receiver optical system for laser ranging, distance values as displayed on the LCD panel and through the left eyepiece.

激光测距系统实现测距功能：激光发射光学系统发出的激光由激光接收光学系统接收，通过程序用于激光测距，测距数值同样显示在液晶板并通过左目镜观察。

互联网摘选