Analyses about the beam of laser diode bar collimated by a cylindrical lens;
用圆柱透镜准直半导体激光光束的分析
By using the similarity of wave crest to cylindrical lens,a new method for measuring the velocity of liquid phase wave in the range of specified wavelengths was proposed, its applicational scope was determined by means of simulation evaluation,and meantime,this model was simulated in the lab.
探讨了低表面张力液体的表面波波速与波长的关系,利用该液体的单个波峰性质与圆柱透镜性质相似的特点,提出了一种新的在特定波长范围内测量该液体相速度的方法,并通过模拟计算确定了该测量方法的适用范围,同时在实验室模拟了该模型,实验结果表明在一定范围内该测量方法具有较高的精度。
According to the basic principle of light ray propagation, the collimating characteristic, the intensity distribution, the transfer efficiency of light energy and the transport coefficient for the laser diode ray in the fast axis direction passing through a cylindrical lens are analytically calculated and discussed.
根据光线传输的基本原理,通过计算和推导,用解析式表达并讨论了半导体激光器快轴方向发散光束通过圆柱透镜后的准直特性、光强分布和光能转换效率与圆柱透镜的半径、介质折射率、介质损耗、安装距离等可调参数以及界面反射的关系。
Firstly,since the project of double-elliptic cylinder lens compressing collimated laser beam has the insufficiency that the lens is difficult to manufacture and is not easy to adjust,we have adopted new project to compress the collimated laser beam along the slow axis of semiconductor laser by ellipse cylinder-plane lens and plane-cylinder lens.
由于双椭圆柱面透镜压缩准直光束的方案中存在着透镜加工难度大和不易于调整的不足,本文采用椭圆柱面-平面和平面-圆柱面组合透镜对半导体激光器慢轴方向准直光束进行压缩;根据光线的基本传播原理,通过计算和推导,阐述了该方案的原理,与此同时,对透镜的可加工性和在实验中可调整的优点给予了充分地展示。
Study on collimating characteristic of coaxial double half-ellipse lens
共轴双半椭圆柱透镜准直半导体激光光束特性研究
variable focal length (cylindrical) lens
变焦(距)(圆柱)透镜
A lens is a round piece of glass, but it is not flat.
透镜是一个圆形玻璃片，但不是平的。
Unstable Bessel Optical Resonator with an Axicon
带圆锥透镜的非稳贝塞尔光学谐振腔
Tunability of optical parameters of width-variable bent elliptical microfocus mirror
变宽度压弯椭圆柱面聚焦镜的光学参数可调性
An Analysis on the Fluid-Solid Interaction Problem for the Cylindrical Shell with Orifices and Permeable Spherical Shell;
可渗透圆柱壳与球壳的流固耦合问题研究
The Propagation of Wigner Distribution Function Through a Pair of Cylindrical Lenses System
维格纳分布函数通过双柱透镜系统的传播
THE STUDY ON THE FABRICATION OF FREE-SPACE CROSSOVER OPTICAL INTERCONNECTION ELEMENT WITH CYLINDER LENSES;
用柱透镜制备自由空间光交叉互连器件的研究
The Focal Performance Analysis of Cylindrical Microlenses by Boundary Element Method;
应用边界元方法分析微柱透镜的聚焦特性
Optimum Design of Lenticular Lens for Auto-Stereoscopic Display
自由立体显示用柱面透镜光栅的优化设计
Optimum design of micro-cylindrical lens coupling system for solid lasers
固体激光器微柱透镜耦合系统优化设计
The interferograms under ideal near-cylindrical surfaces and ideal cylindrical lens are got and analyzed.
获取并分析了理想近柱面和理想柱透镜下的干涉图。
embossed film
(带半圆凸透镜层的彩色电视录象用)浮雕影片
The usually circular area in which the image is rendered by the lens system of an optical instrument.
仪器的透镜系统所能看到的通常是圆周的区域.
Diffraction of Gaussian Beam of Light by an Optical Lens and a Small Circular Aperture
高斯光束通过透镜-微小圆形光阑系统的衍射
Variable-focus liquid lens with suspended conical ring
带有悬浮锥形圆环的液体变焦透镜(英文)
On MRI, the lesion appeared double convex lens or egg in shape in coronal section and round or arrow head like in shape in sagittal section.
MRI冠状位像呈“双凸透镜”形、卵圆形 ,矢状位像呈卵圆形、“箭头样”表现 ;
A cylindrical container or object.
圆柱形容器，圆柱形物体