光轴

入射光偏振方向对LiNbO3晶体近光轴电光调制的影响

Effect of the Polarization Direction of Incident Light on Electro-Optic Modulator for Light Propagating near the Optic Axis in LiNbO_3

为了获得分束角对称的偏光分束棱镜，在双Wollaston棱镜结构的基础上，通过合理设计棱镜左右两端晶体光轴的取向，使棱镜整体呈中心切面对称；

With the view of obtaining symmetric splitting angle prism , on the basis of Bi - , through designing the orientation of the crystal optic axis rationally , make the prism plane-symmetry about center tangent plane ;

横流CO2激光器谐振腔光轴位置的选择

Choice of the optical axis position for a transverse flow CO_2 laser resonator

基于DSP的光轴稳定平台控制系统

Photoelectricity Stabilization Control System of Platform Based on DSP

CCD图像法测量晶体光轴方向

Crystal Optic Axis Direction Measurement Based on CCD Image

某雷达光轴采用CCD系统光电标校精度分析

Analysis of Calibration Accuracy of Axes Alignment for Radar Employing CCD Imaging System

基于CCD的激光测距机光轴平行性检测

Opto-axes Parallelism Detection Method for Laser-range-finder Based on CCD

PLC控制系统故障诊断与排除的研究光轴编码器的故障检测与修复

Troubles diagnosis and fixing of PLC controlling system Diagnosis and Removal of Troubles for Optical Shaft Encoder

横流放电CO2激光器气体热效应对光轴与横模的影响

Influences of gas thermal effects in transverse-flow electrical discharge CO_2 lasers on their optical axis and transverse modes

Hough变换在车灯光轴交点检测中的应用

Detection of cross-point of optical axis of lamp based on Hough transform

一种基于Canny的改进车灯光轴检测算法

A Modified Detection Algorithm for Headlight Opitcal Axis Based on Canny

CWCOIL输出功率与输出孔径及光轴位置之间的依赖关系

The dependence of the laser output power versus the laser output aperture and optical axis position on CW COIL

采用两个光轴相互垂直的CCD摄像机，分布在测量腔体的左右两侧。

It adopted two CCD cameras distributing in both sides of the measured volume and their optical axes being vertical with each other .

提出了利用高速CCD获得光轴颤震偏移矢量、微机械像面移动补偿的空间相机稳定成像新方法。

A new methods of image tremble compensation with high-speed CCD detection of motion vectors and micro mechanic compensation of image plane was proposed .

利用CCD图像采集处理技术，对脉冲测距机的光轴偏差自动检测和校正。

By using technology of CCD image collection and dispose , we have examined and rectified automatically the optic-axes error of laser range finder .

介绍了基于DSP（TMS320LF2407A）的光轴稳定控制系统的设计及实现。

The design and realization about the photoelectricity stabilization control system based on DSP are presented .

在合理近似条件下，给出了横流CO2激光器谐振腔光轴最佳位置的近似表达式。

Under the condition of reasonable approximation , an approximate formula is given for the choice of optical axis position for a transverse flow CO2 laser resonator .

该方法采用一台带有远心镜头的CCD摄像机，沿光轴方向移动摄像机拍摄两副图像，根据所拍摄目标图像的散焦半径与图像的大小计算目标景物距摄像机的距离。

This method uses a single standard CCD camera with telecentric lens , moving camera along optical axis , images are taken at two camera position .

Casimir力矩总是使两边界的光轴趋向平行。

And the torque is to make the two optical axes parallel .

根据旋光现象的菲涅耳唯象理论，推导了光轴方向单轴旋光晶体的圆基矢Jones矩阵。

Based on Fresnel 's theories of optical activity , the circular basis vector Jones matrix was concluded along optical axis in the active uniaxial crystals .

转置光轴渥拉斯顿（Wollaston）棱镜的象差分析

An Aberration Analysis of Wollaston Prism with Rotated Optical Axis

在光轴不能直立情况下2V的测定

The measurement of 2V on the condition of optic plane unable to be vertical

DSCM中摄像机光轴与物面不垂直引起的误差分析

Errors caused by misalignment of the optical camera axis and the object surface in the DSCM

分别讨论了高斯光束束腰和成像物镜F数、信号光光轴偏移量、矩形探测器长宽比及信号光光轴倾斜角度对外差效率的影响。

The effect of Gauss beam waist and imaging lens F , signal light axis offset , length to wide ratio of rectangular detector and signal light axis tilt to heterodyne efficiency have been analyzed and discussed .

给出了常用的90°记录光路中光折变晶体折射率调制度的计算方法和公式，并分析了写入光的偏振方向、晶体光轴（C轴）方向及全息图折射率调制度之间的关系。

A set of formula of index modularity of photorefractive crystal in the always used 90 ° recording geometry is derived . The relationship of polarization of writing beams , the axis direction of crystal , and index modularity of volume holograms is analyzed .

建立结构模型，对带有支撑结构的超薄反射镜进行分析，得出在光轴竖直与水平两种状态下的PV和RMS值。

The structural FEM model is set up for the ultra-thin mirror with support structure . PV and RMS values of the mirror with horizontal or vertical optical axis are gained .

本文研究在高功率横流CO2激光器多折腔中，影响光轴位置的几个因素及对输出特性的影响，并用实验方法确定了多折腔的最佳光轴位置。

Several factors effective on the optical position and the laser output characteristics have been studied in folded resonator of high power transverse-flow CO_2 laser . The optimum optical axis opsition of folded resonator has been determined by experimental method .

本文建立了修正平面πk、修正光轴和这种误差的修正公式，如果将这些公式应用到相遇参数的计算中去，那么新的计算结果就将更符合实际情况。

The correcting plane π _k , correcting sight line and the formula of the error have been built . If these formulas can be applied to the calculation of meeting parameters , the new calculating results will be more correct .

本文介绍了一种以单轴晶体材料做包层、光轴平行于光纤主轴（z轴）的新型光纤和光纤Bragg光栅。

In the word , we introduce a novel optical fiber and fiber Bragg gratings with uniaxial crystal materials which the optical axis is parallel to the principal axis ( z axis ) of optical fiber .

它为检验回转椭球反射镜建立了面积有效率、光轴偏移量、f1值允差与反射率四项技术指标，并给出了检测仪的设计原理与操作方法。

Four specifications : area efficiency , deviation of optical axis , allowance of f_1 value and reflectance are established for the ellipsoidal mirror tested . The principle of designation and the operation method of that instrument are also given .