object lens
英 [ˈɒbdʒɪkt lenz]
美 [ˈɑːbdʒekt lenz]
物镜
英英释义
noun
- the lens or system of lenses in a telescope or microscope that is nearest the object being viewed
双语例句
- From the perspective of the design theory of Fourier lens, the thesis combines with concrete experimental measure, analyzes theory of lens'design, removes the aberration, chromatic aberration. Besides, it experiments on spatial filtering and phase object test by lens system, image differentiation, etc.
论文从傅里叶透镜设计理论出发,结合具体实验手段,进行了透镜设计、消除象差、色差的理论分析和空间滤波及通过透镜系统进行位相型物体的检测及图像微分等的实验。 - When the distance between Gauss beam waist of object and lens is farther than the lens focus, and the lens focus is minimum;
即当物方高斯光束束腰离透镜的距离l远大于透镜焦距f,f为极小值; - A mirror, lens, or combination of lenses used to gather light and direct it upon an object or through a projection lens. of or relating to or resembling or constituting a prism.
聚光器用于聚光并将光引向某物体或通过一凸透镜组的镜子、透镜或透镜组属于或关于棱镜的,类似于棱镜的,或由棱镜组成的。 - The coupling object lens of optical fiber head can auto-focus the optical spot in near field, so that enormous information can be written and read simultaneously, and the tracking time of three-dimension information storage can be reduced greatly.
该方法利用光纤光学头的耦合物镜实现对光斑的自动近场聚焦,可实现海量信息的并行读写,并能极大地减少三维存储的寻道时间。 - This paper focuses on four main types of axial-symmetrical electrostatic lens: film aperture lens, double-cylinder immersion lens, convex lens and immersion object lens.
本文具体分析了膜孔透镜,浸没双圆筒透镜(包括等径和不等径),单透镜和浸没物镜这四类最主要的静电透镜。 - The location and distribution of the slits synthesized by moving object and imaging lens in one-step rainbow holography are analysed systematically by means of the viewpoint of optical wave field modulation of image, and a new method of two-step synthetic slit rainbow holography also given.
本文从像面光场移动的观点对一步无狭缝彩虹全息术中平移物体和透镜形成的综合狭缝进行了理论分析,并提出了一种新的综合狭缝二步彩虹全息方法。 - We must design the ratio of the source beam size and aperture of object lens reasonably to assure energy matching ratio ( EMR) and to achieve smaller size of focus point and reasonable focus depth.
必须合理地确定光源的光束口径与光盘物镜孔径比值,才能保证其光能量耦合效率,并获得较小的光斑尺寸和合理的焦深。 - It possesses self focusing function through adding quadratic phase factors into conjugate frequency spectrum of object instead of Fourier lens.
并通过对傅里叶谱加入二次位相因子代替傅里叶透镜,使其具有自聚焦功能。 - It is shown that the transformation characteristics depend on optical beam power, the beam waist of incident beams, object distance and lens parameters.
结果表明,它的变换特性依赖于光功率、入射光束的束腰、物距以及透镜参数。 - This method has a practicable significance to the un-cooling infrared object lens design.
该方法对非制冷红外热像光学系统的设计具有实际意义。
