报道激光器输出光斑的横模组分的分析方法。
A method of analysis of transverse modes in a plane perpendicular to a laser beam is reported.
测量了输出激光时间波形和光斑的光强空间分布。
The temporal waveform and the intensity distribution of output laser were measured.
有效投射光线依照其投射角，由光斑的不同部位进入眼中。
The effective incident rays entered the eye from different parts of the reflection disc according to their incident angles.
提出一种基于离轴法并采用椭圆光斑的光学微位移计量手段。
An optical micro-displacement measurement method based on elliptic spot and off-axis principle is proposed.
介绍了一种小孔扫描测量大数值孔径光学系统小光斑的方法。
This paper introduced a method to testing small light spot produced by an optical system with high NA.
提出了一种对激光光斑的CCD数字图像进行预处理的方法。
A method to preprocess the CCD digital image of laser spot is proposed.
光学接口能够完成激光通过裂隙灯显微镜的传输和光斑的调节。
Optical interface can complete the laser transmission through the slit lamp microscope and the spot regulation.
通过测量回馈光远场光斑的位置变化可以得到端机的跟瞄精度。
The tracking precision is got by measuring the far-field facula posit.
激光光斑的精确定位是成像型激光探测系统中的一项关键技术。
Laser spot detection is the key technique in the imaging laser detecting system.
确定了当入射光场为椭圆高斯分布时，获得圆对称聚焦光斑的条件。
Conditions by which a circular symmetrical focussed spot can be obtained when the incident laser beam is an elliptical Gaussian profile are determined.
激光在各种领域的广泛应用对激光光斑的质量提出了越来越高的要求。
The wide use of laser in various fields brings forward higher demand for quality of the laser spot.
研究了光束占空比对远场光斑的影响，分析了影响腔内损耗的主要因素。
The influence of duty ratios on the interference patterns in the far field is studied. Main factors that affect the cavity loss are analyzed.
因此，对激光通过大气随机信道远场光斑的实验测量具有十分重要的意义。
Therefore, it is very important to experimental measurement to far-field optical spot of atmospheric random channel, which can be passed by laser.
同时得出了不同离焦量横截面上中空环形光斑的大小和占空比之间的关系。
At the same time we can get the relationship between hollow circular laser beam and duty circle at different defocusing cross section.
由于本方法不需要测量光斑的直径，避开了光斑直径不易测量准确的难题。
Because this method does not require the measurement light spot diameter, it avoids the problem that the light spot diameter is difficult to be accurately measured.
分析和计算指出，光斑的强度、边瓣强度和光斑大小随薄膜的厚度发生振荡。
The analyses and calculations show that the intensity of spot, spot size and sidelobe intensity oscillate with the thickness of the film.
根据理论分析模型，实际模拟了输出光斑的光能分布与光学扩展量的关系曲线。
By the simulation of a theoretical model, the facular intensity distribution curve versus etendue is achieved.
分析了天体干扰光斑的位置和光强对卫星数字式太阳敏感器姿态角输出的影响。
The effect that the position and light intensity of the interferential celestial bodies' spot on the output attitude angle of the Digital Sun Sensor(DSS) was analyzed.
这种方法能够证实氦氖激光基横模的光强分布是高斯分布，能够确定光斑的大小。
The method can confirm the Gaussian distribution of optical intensity for the fundamental transverse mode of the He-Ne laser and determine the size of its light spot.
激光光束的漂移，功率稳定性和激光光斑的强度分布对称性是影响准直精度的主要参数。
Laser beam shifting, power stability and intensity distribution symmetry of laser spots are the main parameters affecting collimation accuracy.
由此减小接收衍射光斑的大小，提高系统的光学分辨能力，从而提高精跟踪系统的精确性。
Then the diffraction spot size is decreased, and the optical resolution is increased, so the accuracy of the fine tracking system is improved.
提出了一种陀螺仪自由转子偏角信号读取的方法，这种方法基于对反射光斑的四象限分割。
A new method of reading the declination signal of gyros free rotor based on the four-quadrant sensor is introduced in this paper.
它具有分辨率高、响应速度快、信号处理电路简单等优点，能够高速地连续检测入射光斑的位置。
It has the advantage of high resolution, fast response and simple processing circuit, and can continuously detect the incident light spot in high speed.
受衍射效应的限制，聚焦红外光斑的尺寸往往大于焦平面阵列像素尺寸，串音测量遇到了极大困难。
Limited by diffraction effect, the size of focused IR spot is usually larger than the pixel pitch of FPAs, hence the crosstalk testing is quite difficult.
采用数值计算方法分析了高能激光在光束控制器内部传输所产生的热效应及其对激光远场光斑的影响。
The thermal effect of high-energy laser produced within the beam controller and its influence on laser far-field spot are analyzed with numerical calculation method.
以面阵CCD为传感器，检测光纤端部出射光斑，采用“重心法”提取光斑的特征点表征光纤的位置。
With planar array CCD sensor, exit spot from optic fiber end is detected through extracting the characteristic points of spot for characterizing the position of optic fiber.
建立在光纤中传输模场的基础上，研究了两模间干涉特性和传感特性，指出了远场两瓣光斑的动态变化规律。
Based on the transmitted field the characteristic of interference and sensing between two modes is investigated and point out the disciplinarian of far field two-lobe radiation patterns.
同时指出实验上的误差对产生径向偏振光的影响，以及研究了传输过程中实验上所获得的径向偏振光光斑的变化。
The influence of experimental error on the generation of radially polarized light beam, and the change of the light spot of radially polarized light beam in propagation are investigated.
同时指出实验上的误差对产生径向偏振光的影响，以及研究了传输过程中实验上所获得的径向偏振光光斑的变化。
The influence of experimental error on the generation of radially polarized light beam, and the change of the light spot of radially polarized light beam in propagation are investigated.
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