This is a traditional fuel rod lens that glows underwater.
这是一个传统的水下发光的燃料棒镜头。
The transformation formulae of Gaussian beams through a nonlinear parabolic graded index rod lens are derived.
本文导出了高斯光束通过非线性抛物形梯度折射率棒透镜的变换公式。
These principles are instructive in the fabrication of a low chromatic aberration GRIN rod lens.
上述原则对低色差grin棒透镜的制作具有指导意义。
Based on the simulation by computer, effects of parameters in calculation and size of rod radius on the ion exchange time of optimum refractive index distribution in glass rod lens are discussed.
在计算机模拟的基础上，讨论了计算参数和玻璃棒半径大小对获得最佳折射率分布时的离子交换时间的影响。
Then the optical spot of GRIN-rod lens is calculated in theory.
并从理论上对自行研制的自聚焦透镜的光斑尺寸进行了计算。
Based on that the laser rod is equivalent to gradient index rod (GRIN), a new thermal lens focal length expression was achieved.
把激光棒等效为梯度折射率棒，得到了新的热透镜焦距公式。
The application of GRIN rod lens is usually used with its core as optical axis, this is transverse application, and any analyze for vertical application is not seen.
目前渐变折射率透镜的应用，通常都采用其主轴就是光线传播的光轴（横向应用）的形式，未见主轴垂直光轴应用的纵向应用分析说明。
Measuring the diameter of the raw glass rod is an important problem of quality control in the process of grin lens production.
在自聚焦透镜生产中涉及到一个重要的质量检测问题：毛坯玻璃丝的在线直径测量。
The characteristics of the chromatic aberration of Gaussian beams through a nonlinear graded index rod lens are studied for the first time to our knowledge.
本文首次研究了高斯光束通过非线性梯度拆射率棒透镜的色差特性。
Then, thermal lens formula has been gotten by analyzing the thermal lens effect of laser rod.
对激光晶体的热透镜效应进行了分析并得到了热透镜焦距公式。
This method is also applicable to other passive optical fiber devices including GRIN rod lens.
该法也适合于grin棒型其它光纤无源器件。
By using Fourier optics method, the GRIN rod lens' 3-d coherence imagery function is analysed and derived.
运用傅里叶光学方法，分析并推导了自聚焦透镜的三维相干成像公式。
By using Fourier optics method, the GRIN rod lens' 3-d coherence imagery function is analysed and derived.
运用傅里叶光学方法，分析并推导了自聚焦透镜的三维相干成像公式。
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