For flat or spherical lens polishing.
用于平面或球面透镜的抛光加工。
Galilean beam expander with spherical lens is widely used in laser systems, but it has a lot of deficiency.
在激光系统中，伽里略球面透镜扩束器已得到广泛地应用，但是，它有许多不足之处。
A Galilean beam expander with spherical lens is widely used in laser systems, but it has a lot of deficiency.
在激光系统中，伽里略球面透镜扩束器已得到广泛地应用，但是，它有许多不足之处。
A convenient method of transforming thin laser Gaussian beam into line beam by a single spherical lens is reported.
报道一种用单片球面透镜将细激光束变换为线光束的简便方法。
This paper studies the er fluid-assisted polishing technology that mainly be used to polish non-spherical lens and cemented carbide dies.
本文研究了电流变抛光技术，主要用于解决非球面透镜及其硬质合金模具的精整加工问题。
At least one aspherical lens is arranged between the spherical lens and the printing form, for focusing or converging the laser light onto a desired spot.
至少有一个非球面透镜位于球面透镜和印刷版面之间，用于将激光聚焦或会聚到一个所需点上。
In this article, a systematic analysis is made about spherical lens principle of return reflecting fabric with the help of geometrical and analytic method.
本文对回归反光织物中回归反光物体玻璃微珠的球透镜原理采用几何和解析两种方法进行了系统分析。
In recent years, the aspheric lens is widely used because of its superiority to the spherical lens, but the manufacture and inspection is much more difficult.
由于非球面镜在性能上大大优于球面镜，近年来得到了广泛的应用，但非球面的加工和检验要比球面镜困难得多。
The circular symmetric point and the apalanatic point of spherical lens have one same expression, however the two kinds conjugate point are belong to difference category.
圆周的对称点与球透镜的齐明点虽然有一个相同的表达式，但这两类不同范畴的共轭点有着内在的差异，分析这种差异，有利于更好地理解它们。
The lensometers is also called measural lens dioptre instrument, to measure spherical lens dioptre, cylindric lens dioptre and axis, prism dioptre, and lens optical center etc.
顶焦度计又称对光机、查片机，可用来测量球光镜镜度、散光镜镜度、棱镜镜度以及散光轴线和光学中心点等，是眼镜片冷加工中必不可少的检测仪器。
The conclusion has been spread to spherical lens retroreflection array. The basic idea of the spherical lens retroreflector and its key points of application have been proposed.
并把此结论推广到球透镜逆反射阵列，提出球透镜逆反射器的基本概念及应用的要点。
The invention embodiment discloses a design method of an aspherical lens, which comprises: the surface with the semidiameter of R1 is taken as the spherical surface part of the aspherical lens;
本发明实施例公开了一种非球面透镜的设计方法，包括：采用一半径为R1的面作为非球面透镜的球面部分；
The prime products are spherical lens, Windows, prisms, achromatic lens, cylindrical mirror, laser optical components, infrared optical components, various crystals and some other relative items.
主要产品有球面镜、窗口、棱镜、胶合镜、柱面镜、激光光学元件、红外光学元件、各种晶体。
Spherical Aberration — causes light rays passing through a lens (or reflected from a mirror) at different distances from the optical center to come to focus at different points on the axis.
球差-使以不同孔径角穿过透镜(或从镜面上发射)的光线不能聚焦在轴上的同一点。
A very small lens aperture is employed to correct spherical aberration , but this severely limits the final resolution.
可以用一个非常小的透镜孔阑来校正球差，但这会严重地影响最终鉴别率。
Non spherical surface lens can get rid of the spherical surface lens' shortcoming and will be highly valuable, so the study of image quality of rotational conicoid and its lens is meaningful.
非球面透镜能够克服球面透镜的缺点，具有很高的实用价值，故对旋转二次曲面及其透镜成像质量的研究将有重要意义。
Spherical Aberration -- causes light rays passing through a lens (or reflected from a mirror) at different distances from the optical center to come to focus at different points on the axis.
球差-使以不同孔径角穿过透镜（或从镜面上发射）的光线不能聚焦在轴上的同一点。
The reflection effect of the spherical surface of a hemisphere solid immersion lens (SIL) has been investigated using the vectorial diffraction theory for high numerical aperture systems.
应用高数值孔径系统的矢量衍射理论研究了半球形固体浸没透镜(SIL)球面表面的反射对SIL系统透射场的影响。
High level of functionality at low cost ? Extremely compact ? Spherical front mount on ELF4 enables infinite adjustability ? Flush red lens ? IP67 rated for harsh environments.
用于工业中的应用?功能强大，成本低?结构极紧凑?ELF4上的特殊前端装配能够进行无限调节?冲洗红色镜头?可设置为IP67，应对恶劣环境。
Analytic calculation of the negative refraction at the spherical surface is conducted demonstrating that the usual optical formulas still hold true for the LHM lens.
推理分析了左手性介质透镜处球形界面的负折射规律，并依此表明了常用光学公式仍适用于左手性介质。
Thermal induced distortion of pump end has high order spherical difference relative to a sphere lens.
端面热至形变相对于球面透镜存在高阶球差。
In the present study, an aberration theory for both wide and narrow electron beams in a combined electromagnetic focusing spherical cathode lens system is discussed.
本文研究了对宽束和细束阴极透镜普遍适用的电磁复合聚焦球面阴极透镜的象差理论。
A method of surveying the index of refraction of thin lens material with the help of images made by spherical reflection is given.
给出了一种利用透镜的球面反射像测量薄透镜的材料折射率的方法。
Conclusion the length of axis, corneal refractive power, lens thickness, anterior chamber depth and age have certain effect on the spherical equivalent refraction.
与角膜厚度、眼压无明显的相关性。结论眼轴长度、角膜屈光力、晶状体厚度、前房深度和年龄对近视度数(等值球镜度数)均有一定的影响。
GRIN ball lens is a spherical optical element with refractive index is symmetric around a spherical point and varies in spherical radius direction.
梯度折射率球透镜是一种折射率以球心为对称中心，并沿球半径方向分布的球型光学元件。
It often develops in childhood, with the eyeball starting to elongate, becoming more egg-shaped than spherical, or the lens becoming too curved, so the light entering the eye is not focused correctly.
这通常是童年时形成的，眼球逐渐被拉长，变得越发像蛋形而非球形；或者是因为晶状体过度弯曲，进入眼睛的光线无法正确聚焦。
YG374 large spherical milling mill is used for milling all kinds of optical lens curvature cold equipment.
YG374大球面铣磨机是用来铣磨各种曲率透镜的光学冷加工设备。
Luneberg lens antenna is a spherical layered medium lens antenna, and its main feature is its capability of focusing the incident wave to a point on the spherical surface.
龙伯透镜天线是一种球形的分层介质透镜天线，其主要特点是能够把入射波聚焦到球表面一点。
Volume holographic grating, used as a volume holographic imaging lens in the imaging system, is recorded via illuminating the recording medium with a spherical signal beam and a plane reference beam.
体全息光栅由球面信号光波和平面参考光波干涉记录，并以原信号光作为探测光波进行成像。
Volume holographic grating, used as a volume holographic imaging lens in the imaging system, is recorded via illuminating the recording medium with a spherical signal beam and a plane reference beam.
体全息光栅由球面信号光波和平面参考光波干涉记录，并以原信号光作为探测光波进行成像。
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