Focusing lens

Ring - focusing lens for lasers

激光圆环聚焦镜

The Study of the Main Focusing Lens in Colour Picture Tube

彩色显像管中主聚焦透镜的研究

Analysis and Measurement of Spot Focusing Lens Antenna Resolution

点聚焦透镜天线分辨率的分析与测量

Study on Focusing Lens System In Modulation Type Quasi-laminar Flow Electron Gun

调制型准层流电子枪聚焦透镜系统的研究

Effective Radius and Effective Numerical Aperture of the Self & Focusing Lens Array

自聚焦透镜的有效半径和有效数值孔径

The focusing lens set is designed with the related technical data of fiber and LD .

根据激光二极管和光纤的相关参数设计了聚焦透镜组。

Effect of focusing lens on methane Raman laser

聚焦透镜对喇曼激光器的影响

Laser Breakdown-Generated Sound in Different Optical Focusing Lens Systems

不同光聚焦状态的光击穿声辐射特性

Irradiance and exposure on the image surface of self - focusing lens arrays

自聚焦透镜列阵象平面上的辐照度与曝光量

An Ideal Focusing Lens and Its Shape

一种理想聚焦透镜及其形状

The utility model relates to a focusing lens used for a double-wavelength OCT system .

本实用新型涉及用于双波长OCT系统的聚焦镜头。

The beam waist of the laser pulses after the focusing lens is measured by imaging method .

激光光束在聚焦透镜后的束腰半径可以由成像方法测得。

A new type of focusing lens which can focus a laser beam into a line of any length and its possible applications are proposed .

提出了一种能把激光束聚焦成任意长度的新型直线聚焦透镜及其可能的应用。

Optimal Analysis on the Performance Characteristics of Irreversible Semiconductor Thermoelectric Refrigerator and Generator ; Laser Breakdown-Generated Sound in Different Optical Focusing Lens Systems

不可逆半导体制冷器和温差发电器性能特性的优化分析不同光聚焦状态的光击穿声辐射特性

The electron gun consisting of an optimally designed pre-focusing lens and main focusing lens is improved for HDTV display application .

经过优化设计的预聚焦透镜和主聚焦透镜满足显示HDTV图像的要求。

With the focusing lens and the medium pool replacing the back mirror , auto cavity-forming and laser output are realized .

用聚焦透镜和介质池取代激光器的后镜，可自动成腔输出激光。

A new optical system is also proposed in my paper , to use the system of after the scanning objectives lens composed of galvanometer and dynamic focusing lens .

同时本文也提出了一种全新的光路系统，利用振镜和动态聚焦镜构成的物镜后扫描进行加工。

The knife bit mainly is composed of a light pipe , a focusing lens , a telescopic contact lever and a handle .

此刀头主要由导光管、聚焦透镜、可伸缩接触杆以及手柄组成。

With large divergence angle LED light efficiently converges at the optical fiber receiving end demand , an ellipsoid and focusing lens combination optical system design method is proposed .

针对将大发散角LED的光高效会聚到光纤接收端面的需求，提出了一种椭球面和聚光透镜组合光学系统设计的思路。

The fundus camera used in imaging retina includes two parts : fundus imaging path with a positive focusing lens and annular Kohler illuminating path .

用于视网膜成像的眼底相机由两部分组成，其一是具有正调焦镜的成像光路，另一是环形的柯勒照明光路。

The performance of the gun is better , as we properly design the ion source , improve the draw lens system and notice that it combines with main focusing lens .

由于离子源的合理设计、引出透镜系统的改进及其同主聚焦透镜的良好匹配，所以取得了较好的实测结果。

A compact micro beam X-ray fluorescence spectrometer , which consists of monolithic polycapillary X-ray focusing lens and energy dispersive X-ray spectrometer , is introduced .

介绍了一种小型的微束X射线荧光分析谱仪，它是由导管X光透镜和能量色散X射线荧光分析谱仪组成。

In detail , the optical detection system is mainly composed of ladderlike F-P interferometer , focusing lens , PIN photodiode , stepping motor and single chip microprocessor .

光学探测系统主要包括：阶式F－P标准具、聚焦透镜、PIN光电二极管、步进电机及单片机等；

Built the system model and numerical simulation platform , set specific parameters , on the whole turbulent wave propagation and after MPP and the focusing lens convergence characteristics done a detailed simulation and analysis .

建立系统模型和数值模拟平台，设定具体参数，对整个湍流中波的传播和经过MPP以及会聚透镜的聚焦特性做了细致的模拟和分析。

The result also showed that ZnO yield would obtain the maximum , when laser power was 110W and the length from the laser beam focusing lens to the target was 32 cm .

当激光功率为110W，镜距32cm时，粒子的收率最高。

Moreover , the traditional triangular prism is replaced by double semi-circular beam splitter . Optical devices are then reduced as only one focusing lens with appropriate focusing length is used .

此外，采用双半圆分束镜代替三棱镜分束，只需一个合适焦距的聚透镜就可聚焦光束，减少了光学元件，进而减小了光学噪声，提高了信噪比。

The article touches upon the principle of displacement measuring system consist-ing of diode laser focusing lens , reflecting main scale grating , quarternary index scale grat-ing photosensor .

系统由半导体激光器、聚焦镜头、反射式标尺光栅、四裂相指示光栅和光电接收元件组成。

A manual focusing lens module group structure includes a lens tube , a press plate , an elastic washer , a fixation ring , a shift lever , a base and an image sensor ;

一种手动调焦镜头模组结构，其包括一镜筒、一压板、一弹性垫圈、一固定环体、一拨杆、一基座及一图像传感器；

Moreover , the amount of the focal shifts depends on the Fresnel number of the focusing lens , the spatial coherence of the partially coherent light and the central obstruction ratio of the annular lens etc.

并且，焦移量不仅依赖于透镜外半径的菲涅耳数，还依赖于部分相干光的空间相干度和中心拦截比。

In this paper the emphasis is placed on : ( 1 ) the design principle for the envelope main focusing lens with large aperture and small spherical aberration coefficient comprising conductive coating on the envelope inner wall ;

木文着重介绍了：1.利用玻壳内壁的导电涂层构成的大孔径、小球差的玻壳主聚焦透镜的设计原理；