object lens

Laser scanning system for diameter measuring of which scanning object lens are free

无扫描物镜的激光扫描直径测量系统

This paper focuses on four main types of axial-symmetrical electrostatic lens : film aperture lens , double-cylinder immersion lens , convex lens and immersion object lens .

本文具体分析了膜孔透镜，浸没双圆筒透镜（包括等径和不等径），单透镜和浸没物镜这四类最主要的静电透镜。

Selection for Parameters of Object Lens in Point Scanning Laser Confocal Microscope

点扫描激光共焦显微镜物镜参数的确定

Object lens of large relative aperture

大相对孔径（摄影）物镜

This method has a practicable significance to the un-cooling infrared object lens design .

该方法对非制冷红外热像光学系统的设计具有实际意义。

Design of Object Lens for Helmet-Mounted Night Vision Goggles with High-Order Plastic Aspherical Surfaces

含高次塑料非球面的头盔微光夜视物镜设计

The optical writing object lens of the laser direct writing device must be focused in spots by a focusing-servo mechanism .

在激光直接写入设备中需要有高分辨力的调焦伺服机构对光刻物镜进行调焦伺服。

The optical and mechanical structures of the object lens used in sub ? half micron lithography are described . The design results and tolerance control are also shown .

介绍了分步重复投影光刻机亚半微米光刻物镜光学和机械结构研究设计、设计结果，以及公差控制。

When the measuring system of point scanning confocal microscope is designed , the parameter of object lens is important because the measuring precision of the system are determined by the numerical aperture of lens .

在设计点扫描激光共焦显微镜测量系统时，物镜参数的选择是至关重要的，因为它的数值孔径大小直接影响着系统的测量精度。

We must design the ratio of the source beam size and aperture of object lens reasonably to assure energy matching ratio ( EMR ) and to achieve smaller size of focus point and reasonable focus depth .

必须合理地确定光源的光束口径与光盘物镜孔径比值，才能保证其光能量耦合效率，并获得较小的光斑尺寸和合理的焦深。

The coupling object lens of optical fiber head can auto-focus the optical spot in near field , so that enormous information can be written and read simultaneously , and the tracking time of three-dimension information storage can be reduced greatly .

该方法利用光纤光学头的耦合物镜实现对光斑的自动近场聚焦，可实现海量信息的并行读写，并能极大地减少三维存储的寻道时间。

She hardly observed that a tear descended slowly upon his cheek , a tear so large that it magnified the pores of the skin over which it rolled , like the object lens of a microscope .

她也没有看见一滴泪水慢慢地从他的脸上流下来，那是一滴很大的泪水，好像是一架放大镜的目镜，把它流过去的皮肤上的毛孔都放大了。

In the dual-galvanometric laser scanning , there was non-linearity mapping relation between the output Cartesian coordinates of object lens scanning plane system and the coordinate of laser scanner . It made the laser scanning geometry to be distorted .

双振镜激光加工中，物镜平场扫描系统中，输出平面笛卡儿坐标系与扫描器球面坐标系之间存在着非线性映射关系，使扫描加工图形产生图形加工畸变。

The MC numbers per field ( by 40x object lens , the following is the same ) were 2.8 ± 0.9 and 9.9 ± 1.8 in two stages . The mast cells remarkably increased during the non-lactating period ( P < 0.01 ) .

而静止期乳腺肥大细胞数比泌乳期的多（P＜0.01），分别为2.8±0.9和9.9±1.8个／视野（40倍物镜下，下同）。

Measuring Soft Tiny Object by Lens

用透镜测量柔软微细物体

When the distance between Gauss beam waist of object and lens is farther than the lens focus , and the lens focus is minimum ;

即当物方高斯光束束腰离透镜的距离l远大于透镜焦距f，f为极小值；

Verification on Object of Main Lens in Camera Tube Being Cross-over

摄象管主透镜的物是交叉点的验证

Recording rainbow hologram of 2-D transparent object with cylindrical lens array

用柱面镜阵列作二维透射物彩虹全息

Then , it used second order polynomial to fit the central line of text line , and constructed the object function of lens distortion .

然后利用二次多项式模型拟合文本行的中心线，并建立径向失真校正的目标函数。

It is shown that the transformation characteristics depend on optical beam power , the beam waist of incident beams , object distance and lens parameters .

结果表明，它的变换特性依赖于光功率、入射光束的束腰、物距以及透镜参数。

They have a focal length , and where an image is formed depends on a combination of the focal length and the distance between the object and the lens .

透镜有焦距，而影像形成的位置，取决于焦距及物体与透镜距离的组合。

The location and distribution of the slits synthesized by translating object and imaging lens in one-step rainbow holography are analysed systematically , and the method of obtaining a suitable location and width of synthetic slit is also given .

本文对一步无狭缝彩虹全息中平移物体和透镜形成的综合狭缝的位置和宽度进行了比较全面的理论分析，并提出了获得综合狭缝的一种新方法。

For the special imaging feature of Panoramic Annular Lens , that forming an annular image circling the axis and having endless depth of field , the observing system made up of PAL can be used to observe object around the lens without moving part .

全景环形透镜（PAL）独特的成象性能，即环绕光轴360°产生一个环形象且景深为无穷远，使得由PAL组成的观测系统没有活动部件能同时观察透镜周围的景物。

The location and distribution of the slits synthesized by moving object and imaging lens in one-step rainbow holography are analysed systematically by means of the viewpoint of optical wave field modulation of image , and a new method of two-step synthetic slit rainbow holography also given .

本文从像面光场移动的观点对一步无狭缝彩虹全息术中平移物体和透镜形成的综合狭缝进行了理论分析，并提出了一种新的综合狭缝二步彩虹全息方法。

From the perspective of the design theory of Fourier lens , the thesis combines with concrete experimental measure , analyzes theory of lens'design , removes the aberration , chromatic aberration . Besides , it experiments on spatial filtering and phase object test by lens system , image differentiation , etc.

论文从傅里叶透镜设计理论出发，结合具体实验手段，进行了透镜设计、消除象差、色差的理论分析和空间滤波及通过透镜系统进行位相型物体的检测及图像微分等的实验。

It possesses self focusing function through adding quadratic phase factors into conjugate frequency spectrum of object instead of Fourier lens .

并通过对傅里叶谱加入二次位相因子代替傅里叶透镜，使其具有自聚焦功能。

The lensless Fourier hologram of object by using selfoc lens is obtained , and the clear image is numerical reconstructed .

通过自聚焦透镜对物体成像，记录并再现了物体的全息图，得到了较满意的再现像，为进一步利用光纤传像奠定了基础。

A focal plane imaging is limited in catching object when spot-focusing horn lens antenna is applied in ballistic wake microwave interferometer .

聚焦透镜天线的关键指标是焦面上分辨率大小和焦斑位置。

An image of the object is projected by the object lens on to the photocathode of an image converting tube .

物象通过物镜投影在变像管的光阴极上。