The equipment can be used not only in welding with lens focusing,but also in cutting with off.
6m rad,为TEM00与TEM01的混合模式;三工位光路转换器的使用,提高了工作效率,增加了加工的灵活性;根据焊接和切割具体要求,设计了透镜聚焦和离轴抛物面反射聚焦两种光束的聚焦方式。
Analysis on properties of the double-liquid zoom lens based on electrowetting;
电湿效应双液体变焦透镜性能的分析
We experimentally investigate the broadband partially coherent light focused by a focusing lens and especially the chromatic aberration effects of a focusing lens on the spectrum of the focusing light field at the geometrical-image plane.
实验研究了宽带部分相干光被会聚透镜聚焦,着重研究了聚焦透镜的色差效应对在透镜几何成像面的聚焦光场光谱的影响。
Based on this principle,we put forward a simple method for generating a Bessel beam with glass capillary and focusing lens.
对光纤中传播的电磁场分析发现,其纵向分量可以用贝塞耳函数及第二类变态贝塞耳函数来描述,据此,提出一种利用玻璃毛细管和聚焦透镜实现贝塞尔光束的简易方法。
The methods for measuring lens focal length and spherical curvature radius at presentare summarized, and the principle of the collimated beam compensation method for measuring lens focal length and spherical curvature radius is introduced and it is indicated that the key of this metbod ischeck on the collimation of compensation beam.
概述目前透镜焦距及球面曲率半径的测量方法，介绍透镜焦距及球面曲率半径的准直光束补偿测量法的原理，指出该方法的关键是对补偿光束准直性的检测。
Variable-focus liquid lens with suspended conical ring
带有悬浮锥形圆环的液体变焦透镜(英文)
variable focal length (cylindrical) lens
变焦(距)(圆柱)透镜
manual zoom lens
(镜头)手控可变焦距透镜
rear-controlled zoom lens
背面调整变焦距透镜
The focal length differs with the thickness of the lens
焦距长底随透镜的厚度而变化。
Principle of fluidic lens based on EWOD and its focal zoom characteristics
基于EWOD的微流控透镜变焦特性分析
The design of the f-theta zoom lens with CO_2 laser marking machines
CO_2激光打标机变焦f-theta透镜的设计
Study on Liquid Lens Technology and Its Application in Micro Zoom Optical System
液体透镜技术及其在微型变焦距系统中的应用
Electrically driving and controlling adaptive 128 element×128 element liquid crystal micro-lens array with tunable focal length
电控可变焦128元×128元自适应液晶微透镜阵列
flat-top plastic bifocal
平顶塑料双焦点透镜
short focal length (high aperture) lens
短焦距(大孔径)透镜
autofocus zoom lens
自动聚焦变焦距镜头
Having the same focus or foci. Used of a lens.
共焦的有共同焦点的。用于透镜
Measurement of optical surface and foci of long focal length lens by CGH
计算全息法测量长焦透镜面形和焦距
Collagen density and morphologic change of sclera in guinea pigs with negative lens-defocused myopia
负透镜诱导豚鼠离焦性近视眼巩膜胶原密度及形态学改变
He focuses the lens of a microscope.
他调整显微镜的透镜以定焦点。
The act or result of causing a lens to deviate from accurate focus.
散焦，去焦使透镜偏离准确的焦点的行为或结果
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快速变焦距手术显微镜