The distributing function of geodesic lens mode field w as established in this paper.
本文建立了波导短程透镜的模场分布函数 ,给出了波导短程透镜和单模光纤的耦合效率表达式 ,同时在实际中测得波导短程透镜和光纤的耦合损耗大约为 7db。
The integrated optics wavelength division multiplexing device using geodesic lens and grating has been fabricated.
制备了一种短程透镜——光栅型集成光学波分复用器。
Based on the general analytical method of designing aspherical optical waveguide geodesic lens, the effect of rounded-edge on the curvature behavior of lens depression profile has been studied.
在Sottini等人提出的求解非球面光波导短程透镜一般解析方法的基础上,研究了卷边函数对透镜旋转母线曲率的影响。
According to the obtained characteristics of focal points and principal planes, using the expressions of focal point, focal plane, focal length, principal point, and principal plane of geodesic lenses (GL), the geometry graphic imaging formation principles of geodesic lenses are developed to get the object-image-relation of geodesic lenses.
利用短程透镜 (GL)焦点、焦平面、焦距、主点、主平面等的表达式 ,根据短程透镜在大口径范围内理想聚焦 ,主平面为以焦点为圆心、以焦距为半径、在原点相切的两个圆弧等性质 ,推导出了短程透镜物像关系的作图法求取原则 。
This thesis is directed against the curvature singularity problem in the analytical solution of meridian of perfect waveguide geodesic lenses which is acquired by Sottini.
本论文针对Sottini给出的理想波导短程透镜母线的解析解存在曲率奇点问题,以解决短程透镜卷边两端曲率奇点为出发点,在我们给出一个卷边函数的一般表达式A(R)的基础上,通过对短程透镜辐射损耗的分析,给出理想短程透镜的优化理论设计,使卷边与平板波导连接处的曲率半径达到无限大,辐射损耗降至0,卷边与实际透镜连接处的曲率半径达到较大值,辐射损耗降至可以忽略,并得到优化的无奇点理想波导短程透镜母线的显式解z(r)。
The distributing function of geodesic lenses’ mode field is established in this paper.
本文建立了波导短程透镜的模场分布函数,给出了波导短程透镜和单模光纤的耦合效率表达式,同时在实际中测得波导短程透镜和光纤的耦合损耗大约为7db。
The computer-aided analysis of ninth-order geometrical aberration of magnetic lens;
磁透镜九级几何像差计算机辅助分析
Peak shift and spectra distortion have been observed in XPS analysis of insulating specimens when the magnetic lens is activated.
用XPS分析绝缘样品时,启用样品磁透镜有可能引起谱峰位移和峰形畸变,其原因是磁透镜的磁场与双阳极铝窗发出的低能电子发生了相互作用,并使后者偏转,从而影响了到达样品表面起中和作用的低能电子的数量和分布。
The photoelectrons were collected using the XL magnetic lens.
观察到在使用样品磁透镜和非单色化X射线源的实验条件下不导电的AgCl的电子峰产生异常大的谱峰位移 ,还发现这种异常谱峰位移可以应用于XPS成象分析 ,以提高化学位移很小的元素化学态 (如Ag0 和Ag+ )的XPS象的分辨能力。
THEORETICAL AND EXPERIMENTAL RESEARCH OF PERFECT OPTICAL WAVEGUIDE GEODESIC LENSES;
理想光波导短程透镜的理论与实验研究
short focal length (high aperture) lens
短焦距(大孔径)透镜
Study of the Technologies of High-density Optical Data Storage with Short-wavelength Laser Source and Solid Immersion Lens;
短波长与固体浸没透镜高密度光存储技术研究
a concave lens [mirror]
凹透镜 [凹面镜]
The paper derived a light equation for cone-lens.
本文推导了一个锥透镜的光线方程。
meniscus (shaped) lens
凹凸透镜,弯月形透镜
aplanat [aplanatic] lens
消球差透镜,齐明透镜
air-spaced doublet
双不胶透镜; 双分离透镜; 双分透镜; 空气隙双合透镜; 分离式双透镜
Spot diameters of just a few thousands of an inch can readily be attained with convenient short focal length lenses.
用普通的短焦距透镜不难得到直径只有几十微米的光点。
Glasses and contact lenses do not interfere with the scanning process, and it takes only a 6)brief moment.
一般眼镜与隐形眼镜都不会干扰扫描过程,而且仅需短暂的时间。
manual zoom lens
(镜头)手控可变焦距透镜
objective lens of the transmission electron microscope
透射电子显微镜物镜
opticians' lens measurer
眼镜制造者用透镜表
A planoconvex lens used to concentrate light.
凸透镜用来聚光的凸镜
Any of the lenses, prisms, or mirrors of an optical instrument.
光学镜光学仪器的透镜、棱镜或平面镜
metal-plate lens
(天线) 金属板透镜
variable focal length (cylindrical) lens
变焦(距)(圆柱)透镜
Schlieren projection lens
施利仑投影透镜,纹影摄影投影透镜
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