介绍了一种利用光栅的多缝衍射分光代替传统转角法的角度测量的微透镜焦距测量方法。
A new method of microlens focal length measurement by rotation method based on grating diffraction is introduced.
本文在改进的激光平板剪切干涉法基础上，提出了测量透镜焦距的一种新的实验方案。
A new experimental scheme of measuring lens focal length has been put forward on the basis of the improved laser plate shearing interference method.
本文描述了利用激光散斑测量透镜焦距的方法，并对该方法进行了原理分析和实验验证。
The method to measure the lens focus with laser speckle is described. The principle of this method is analysed and verified by experiment.
根据计量光栅的特点，可以利用双光栅效应测量透镜焦距。
Based on Lau effect in double grating, the focal distance of lens is measured.
本文提供了一种用电学原理在一根电阻丝上测量薄透镜焦距的实验方法。
This paper proposes an experimental method to measure the focal length of a thin lens by using a resistance thread according to electricity principle.
根据单狭缝衍射原理，提出了一种测量透镜单色焦距的新方法。
A new method of measuring the monochrome focal length of lens is given from the single slit diffraction principle.
共轭法是一种较为准确和简便的测量薄透镜焦距的方法。
Conjugate method is an accurate, simple and convenient method to measure the focal distance of thin convex lens.
本实验是利用两块空间频率相同的黑白光栅产生的莫尔条纹来测量长焦距透镜的焦距。
In this experiment, we use two gratings with the same frequency to generate Moire fringes and use them to measure the long focus length of lens.
在测量透镜焦距时，往往由于成像质量差而影响实验的精度。
In measuring the focal distance of lens, the experimental accuracy is often affected by the poor quality in the formation of images.
在原来光具座测量透镜焦距的装置基础上，用CCD代替人眼作接收器时，正确判定焦面是实验的关键。
Linear CCD is used as receiver on behalf of eyes on the basis of originally experimental equipment measuring the focal length of lens.
本论文应用红外热成像技术，对毫米波介质透镜天线的焦斑焦距进行了测量。
By infrared thermal imaging techniques in this thesis, the focal spot size and focal length of this dielectric lens antenna are measured.
目前，透镜长焦距的有效测量还存在一些难题。
At present, some difficulties are encountered in measurement of long focal length of lens.
提出几种计算和测量激光棒负透镜等效焦距的方法。
The authors have reported two methods for measuring the efficient focal distance of the laser rod lenses.
此方法可以修正测量透镜焦距忽略透镜厚度所产生的误差。
This method can correct the measurement of the thickness lens focal length lens produced by ignoring the error.
介绍一种测量平行光管内凸透镜焦距的测量方法。
In this paper, a measuring method of convex lens foci in collimator is given.
在普通物理光学实验中，焦距的测量通常使用单透镜作为待测透镜。
In common physics optical experiment, single lens is used often as to wait for measuring lens in measuring of focal length.
在单色光、小物条件下，球差是引起薄凸透镜焦距的测量误差的主要因素。
Under conditions of monochromatic light and a small object, the spherical aberration was the main factor which led to measuring error of focus of thin convex lens.
焦距是透镜最重要的光学参数，应用泰伯—莫尔法测量长焦距透镜焦距具有重要的实践价值。
Focal length is the important optical parameter of optical lens. It is valuable that methods based on Talbot effect and Moire technique are applied for measuring the long focal of lens.
实验测量了经单一锗透镜聚焦后的CO_2激光束的腰斑半径和位置，同时确定了聚焦锗透镜的焦距，其结果与实际情况一致。
The radius and position of waist spot of CO2 laser beam focused by a single Ge lens were measured experimentally, and the focal length of the Ge lens was determined. The result is in agreement w...
实验测量了经单一锗透镜聚焦后的CO_2激光束的腰斑半径和位置，同时确定了聚焦锗透镜的焦距，其结果与实际情况一致。
The radius and position of waist spot of CO2 laser beam focused by a single Ge lens were measured experimentally, and the focal length of the Ge lens was determined. The result is in agreement w...
应用推荐