查询词典 cylindrical lens

The optical path length was deduced from a cylindrical lens to a screen. Ray tracing and simulating of the capillary tube interferometer was presented.

从几何光学出发，推导了毛细管干涉仪的从柱面透镜到接收屏的光线的光程。

Phase velocity ; surface wave ; cylindrical lens

相速度；表面波；圆柱透镜

The relationship of wave velocity to wavelength of surface wave of liquid with low surface tension was discussed.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。

This simulation shows that a capillary tube with thin wall should be used in experiment and the fringe pattern is very sensitive to the distance between the cylindrical lens and the capillary tube. For enhancing accuracy, this distance should be determined by fitting a standard liquid with known refractive index in experiment.

结果表明实验中应使用薄壁毛细管，由于干涉条纹对柱面透镜到毛细管之间的距离非常敏感，为提高精度，建议在实验中用已知折射率的标样来确定这一距离。

A new method using a cylindrical lens with two wedges to improve the uniformity of the line laser is provided to solve the problem of laser beam uniformly transmitting in the laser communication.

为解决核物理工程、表面热处理、激光加工、激光通信中传输激光束的均匀性问题，提出采用三角楔柱透镜改善线激光均匀性的新方法，并在ZEMAX开发环境下建立了整形光路系统的理论模型。

High imaging speed is obtained by decreasing the dimensions of 2-D OCT image, which are generated by converting the point focus mode of traditional OCT into line focus mode with a cylindrical lens.

利用柱面镜的成像特性将传统OCT的点聚焦成像模式改变为线聚焦成像模式，从而降低二维OCT图像的扫描维数，达到提高成像速度的目的。

For the broad masses of customers to provide the necessary prism, lenses, rectangular lenses, cylindrical lens-shaped material, etc.; can also provide a variety of customer needs in accordance with the specifications of lenses.

可为广大客户提供所需的棱镜、透镜、矩形透镜、柱面镜等形料；还可根据顾客需要提供各种规格的透镜。

248Nm zero-order nulled chirped silica phase masks are fabricated by insertion a cylindrical lens to 325nm He-Cd laser holographic system to form the chirped grating patterns on photoresist and then transfer the patterns to silica substrates by reactive ion etching.

采用在325nm He-Cd激光双光路全息干涉系统的一臂上插入柱面镜的方法和反应离子刻蚀技术研制了周期渐变的零级抑制石英相位掩模版，并用该掩模版在B/Ge双掺光纤上研制出中心波长1551nm，带宽11.4nm，反射率约60％的宽带Chirp光纤光栅。

Our company offers you a very wide range of optical lenses, including spherical lenses, cylindrical lenses, aspherical lenses, windows, prisms, crystal, mirrors and high precision optical samples etc. In addition, we specilize in customizing photographic lenses and accessories, such as telephoto lens, projector lens, fisheye lens etc.

我们公司为您提供了非常广泛的光学镜头，包括球面镜片，圆柱镜头，片非球面镜片，窗户，棱镜，晶体，镜子和高精密光学样品等此外，我们在定制specilize摄影镜头和配件，如远摄镜头，投影镜头，鱼眼镜头， etc。

A compound structure—Double Half-cylindrical Lens is proposed firstly by the author.

双半圆柱透镜是作者首次提出的一种复合结构柱透镜，它突破了普通圆柱透镜在最佳准直时对透镜材料折射率必须小于2的限制，在透镜材料大于2甚至更高的条件下，其准直能力大大提高，准直效果在理论上可达0.1mrad。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了