Design of dual-focus annular objective lens used in DVD pick-up head;
用于DVD光学头的刻环型双焦点物镜的设计
In the next generation of optical disk system,GaN laser and high numerical aperture(NA)objective lens are two key components.
对于下一代光盘系统而言,GaN激光器和高数值孔径(NA)的物镜是关键组件。
In designing and manufacturing objective lens for optical disk,It is found that synthesis performance of those made of PMMA are quite interior compared with those made of new optical plastics.
在光盘光学头物镜的设计和制造中 ,发现将PMMA应用到DVD物镜中时其综合性能明显比不上采用新型光学塑料的物镜。
A discussion about the working distance of magnetic electron objective of SEM-EPMA;
SEM-EPMA中电磁物镜工作距离的探讨
Automatic Measurement for a Big Batch of Telescopic Objectives;
大批量生产望远物镜的自动测量
A visual objective resolution tester is designed and prepared in this paper.
被测试的物镜 ,在 3种仪器上初测时偏心较大 ,然后该物镜进行重新装配 ,校正中心 ,又一一测试数据 ,最后给出初测和复测对比测试数据。
When the measuring system of point scanning confocal microscope is designed,the parameter of object lens is important because the measuring precision of the system are determined by the numerical aperture of lens.
在设计点扫描激光共焦显微镜测量系统时 ,物镜参数的选择是至关重要的 ,因为它的数值孔径大小直接影响着系统的测量精度。
Moreover a devise idea is put forward that hologram incorporates object lens that can adapt to the Panasoni.
后半部分对DVD的核心部分——激光头的工作原理及其满足高密度和兼容性要求的实现方法进行了详细阐述，并提出了适应松下两焦点光头的全息板与物镜一体化设计思想，为产品简单化的追求提供了可靠的技术保证。
By introducing high-order aspheric surfaces on plastic elements,a six-element object lens containing three high-order plastic aspheric surfaces was designed for a night vision goggles.
为使头盔微光夜视镜的重量更轻,同时保证其较好的成像性能,分析了光学塑料的特性及其加工,通过引入高次塑料非球面,设计了含有3个高次塑料非球面的6片式微光夜视物镜。
objective lens of the scanning electron microscope
扫描电子显微镜物镜
prismatic anamorphs
棱镜式宽银幕物镜附件
objective lens of the transmission electron microscope
透射电子显微镜物镜
The diameter of the objective of a telescope.
孔径望远镜物镜的直径
The object glass of a telescope must be accurately centered
望远镜的物镜必须精确置于中心上。
objective (incl. polarizing) for astronomical instruments, binoculars, refracting telescopes microscopes
天文仪器、双筒镜、折射望远镜、显微镜物镜（包括偏振的）
ultra-rapid lens
甚大光强[相对]孔径物镜
best image plane of zoom lens
变焦距物镜的最佳像面
image plane displacement of zoom lens
变焦距物镜像面位移
glycerin-immersion system
(显微物镜) 甘油油浸系统
object lens of large relative aperture
大相对孔径(摄影)物镜
The lens or lens system in a microscope or other optical instrument that first receives light rays from the object and forms the image.
物镜首先从物体上接收光线并形成影像的显微镜或其它光学仪器中的透镜或透镜系统
Objectives which consist only of one lens can be used for visual and photographic observations.
由单透镜组成的物镜可作目视和照相观测用。
Spectral Analysis of Ball Pen Script by FTIR Microscope with ATR Objective;
FTIR显微镜/ATR物镜法检测圆珠笔迹的研究
The greater the number of diffracted orders that gain admittance to the objective, the more accurately the image will represent the original object.
进入物镜的衍射级越大，其物镜所成像对物体再现的像的精度越高。
the lens or system of lenses nearest the object being viewed.
离被观察物体最近的镜头或镜头系统。
large convex lens produces image that is viewed through the eyepiece.
通过目镜观察物体图像的大的凸透镜。
the parabolic reflector of a searchlight
探照灯的抛物面反射镜