Paraxial propagation of titled incident Hermite-Gaussianbeam through a lenslike medium;
厄米-高斯光束倾斜入射类透镜介质的近轴传输
The propagation modes in the lenslike medium, including the spot size, field distribution pattern and their propagation constant,are obtained by solving the Helmholtz equation in the cylindrical coordinate.
从求解柱坐标内亥姆霍兹方程出发，导出了类透镜介质传导模的特征参量、场分布状态及传播常数，求出了入射激光束和导模之间的耦合系数，并讨论了它们的物理意义。
As a result , the oscillation performance of the laser will be changed and the aberration of the lens-like medium will occur.
高能激光器谐振腔中，介质折射率随温度、压力、能量等物理量沿径向变化而呈类透镜分布，由此引起激光振荡特性的改变，产生动态的类透镜介质像差，根据光波的矩阵传输理论，以正支共焦望远型非稳腔为例，用几何方法对激光谐振腔内的类透镜介质效应及其像差校正进行了理论分析，计算结果显示，所给方法能有效消除该像差。
The effective index of refraction of high energy electron beam in three dimensional free-electron laser is derived and that radiation field in planar wave profile is induced by effective refraction index of the electron beam which is lens-like medium.
推导出适用于三维自由电子激光器中的电子束的等效折射率，说明高斯平面波激光场是电子束等效折射率按平方律分布即类透镜介质的结果。
This paper studies the effects of lens-like effect of the free-vortex aerodynamic window (FADW) of high energy lasers.
对高能激光器自由旋气动窗口工作射流的类透镜效应进行了研究。
Gaussian Temporal and Spatial Pulse Dispersion in a Lens-Like Medium
类透镜媒质中高斯时间和空间脉冲的色散
Study on Near-Field Target Detection and Imaging by Using Flat Left Handed Metamaterial Lens;
基于左手化媒质（LHM）平板透镜的近场目标扫描探测与成像技术研究
Use Maintop to Create a Multimedia Courseware of Lens Form Image;
用Maintop编制透镜成像多媒体课件
Study of the Optical Characteristics and the Fabrication Technology of Refractive Microlens and Microlens Arrays;
折射型微透镜及微透镜阵列光学性质与制作技术的研究
The One-Lens and Two-Lens Fractional Fourier Transform System with the Media
含介质的单透镜和双透镜分数傅里叶变换光学系统
Optimizing Image Quality of HOE with OTF as Guide.
用传递函数引导全息透镜的象质优化
a concave lens [mirror]
凹透镜 [凹面镜]
The lens telescope, or refractor, was vastly improved when it became possible to manufacture high-quality lenses made from flint glass.
透镜望远镜，或称折射望远镜，在人们能够制造出高质量的火石玻璃透镜以后得到了很大的改进。
meniscus (shaped) lens
凹凸透镜，弯月形透镜
aplanat [aplanatic] lens
消球差透镜，齐明透镜
Some are flared-that is, thicker at the rim than in the center, like a concave lens.
有些呈喇叭形──即边缘较中心厚，类似凹透镜。
air-spaced doublet
双不胶透镜; 双分离透镜; 双分透镜; 空气隙双合透镜; 分离式双透镜
Exploration of Multimedia Teaching Design on Foundation Physics "Science Inquisition" --Convex Imaging Rule in Multimedia Teaching Design;
基础物理“科学探究”多媒体教学设计探索——凸透镜成像规律多媒体教学设计
A research on the characteristic of the refraction-reflection system composed of rotational conicoid thin lens and flat mirrors
旋转二次曲面薄透镜与平面镜组成的折反光学系统的性质研究
caused by opaque cell fragments in the vitreous humor and lens.
眼里玻璃质物体和镜片的不透明细胞碎片。
Beam quality characterization of super-Gaussian beams passing through a spherically aberrated lens with an annular rectangular aperture
超高斯光束经光阑球差透镜后的光束质量评价
OBSERVATION OF CHANGES WITH AGE IN RENAL INTERSTITIAL CELLS OF RATS BY TRANSMISSION ELECTRON MICROSCOPE
大鼠肾脏间质细胞增龄性变化的透射电镜观察
Effect of GRIN lens on imaging quality of SDOCT system
GRIN透镜对SDOCT系统中成像质量的影响分析