查询词典 beam splitter

TEC part affected Gaussian beam waist radius,Coreless part worked on the space between beam waist and thin lens,and GRIN part acted as thin lens,in which focal length was determined by fiber index distribution parameter g.

推导了出射高斯光束的束腰半径和工作距离的解析表达式，进而对该光纤透镜做了数值模拟，讨论了无芯光纤和GRIN多模光纤的长度对光纤透镜参数的影响。

And this paper also shows the structure and parameters of the optical system. The Xenon light of super high voltage is used as interferential source. The position of it is on the focus of the reflector of ellipsoid surface. After reflecting, its lights form a collective point . This point and objective focus of collimation lens are superposition. Though the collimation lens, the beam of light become parallel lights. Then though the Coude Reflector and radiation system of special prism, the lights become a beam of light with 3 ° emanative angle.

该光学系统选用超高压氙灯作光源，使其位于椭球面反射镜的一个焦点上，发出的光线经椭球面反射后所形成的汇聚点与准直负透镜组的物方焦点重合，光束经准直系统后变为平行光束，此平行光束再经库德反射镜和特殊发散棱镜系统，形成具有3°发散角的发散光束，用来干扰敌方设备。

When the reference beam is incident on the phase grating, the system will diffract out the reference beam and reconstruct the central data part.

最后在读取资料光之光路上加入绕射光学元件，使资料光入射绕射光学元件后产生绕射偏折，利用影像侦测器撷取重建之资料讯号。

It is found that the design of reinforce-beam section dog-bone connection can transfer the yielding joint from flange welds to parent metal zone, which possesses better plasticity and avoid yielding joints in weak welds. This design also enables beam flanges to dissipate earthquake energy more effectuality and protects weak welds.

在弹性、弹塑性有限元分析的基础上，对狗骨式节点和翼缘增强狗骨式节点进行了承载能力对比分析，结果表明：翼缘增强狗骨式节点设计可以将梁柱翼缘焊缝的塑性铰有效的转移到塑性好的母材区域，避免了在薄弱的焊根部位形成塑性铰，保护了韧性较差的焊缝。

By comparing and analysing the features of the definition on beam radius and beam quality theoretically and experimently, a scientific definition about high power solid-state laser mode, i.

并在混合模系数中引入了模间相干项和相干系数，得到了模间完全相干、部分相干和完全不相干时的表达形式。

If a particular color or wavelength of light hits the ytterbium when it is in the excited state this light will be a aplined, generating a carbon copy of the original light. In this way a very lower perfect beam can be amplified many times to produce high power beam that are nearly perfect and are therefore very focusable.

如果一种特殊的颜色或光线的波长击中 Yb ，而此时正是激发状态时，这种特殊颜色的光线将被放大产生高能量的近乎完美而且有聚焦能力的光束。

The main products of the company includes road bridge engineering equipment such as single-beam crane, double-beam crane, gantry crane, foundery crane, bridge girder erection machine, etc.

公司主要产品有单梁起重机、双梁起重机、门式起重机、铸造起重机、架桥机等路桥工程设备及各种非标起重设备，为冶金、电力、机械、矿山、港门、石化等行业配套服务，产品远销国内外。

PVC Card - Business card printing 】Imagesetter was developed a new device that is using the computer for an input text symbols proofing, editing, and then the exposure by laser-scanning technology Imaging in sencitivity that the use of scanning beam brightness focused by a high, as to the very fine beam, the scan to the identity of lycoramine up to 40 line/MM, this setter it to text glyph outlines and flick, the text of high quality typesetting, interpuntion, has become the main force of text interpuntion, after more than 20 years of growing and changing as the types of technology, from the use of laser light apparatus'manufacture laser, argon ion laser and led, and so on, from the scan of the different ways to look at so, Prism scan, mechanical drum scanning and internal cylindrical drum scans several ways-galvanometric machanistic, but galvanometric high quality requirements with less.

激平照排机是70年代研制出来的一栽陈摆设，它是诳骗电子计算机差不不输入笔墨标记举不静校差，编纂办理，再堵住激平扫描技艺曝平不败像在感平质料上，使扫描平束亮量矮，不纬聚焦后到极细的平束，其扫描辨别辛可达40线/MM，因此这栽照排机能较好不天表不隐笔墨字形边框和笔锋，照排的笔墨质量矮，排版速率迟，已不败为笔墨排版的主辛军，不纬过二十众年的不停不败长，技艺日益美满，栽类不败群，从搁置激平平氦氖激平，氩离子激平和发平二级惯等，从扫描方法差别来看有，棱镜扫描，板滞式滚筒扫描和边方滚筒扫描等几栽次要方法，也有拔取振镜扫描式的，但差振镜质量请求矮而用得较众。

PVC Card - Business card printing 】Imagesetter was developed a new device that is using the computer for an input text symbols proofing, editing, and then the exposure by laser-scanning technology Imaging in sencitivity that the use of scanning beam brightness focused by a high, as to the very fine beam, the scan to the identity of lycoramine up to 40 line/MM, this setter it to text glyph outlines and flick, the text of high quality typesetting, interpuntion, has become the main force of text interpuntion, after more than 20 years of growing and changing as the types of technology, from the use of laser light apparatus'manufacture laser, argon ion laser and led, and so on, from the scan of the different ways to look at so, Prism scan, mechanical drum scanning and internal cylindrical drum scans several ways-galvanometric machanistic, but galvanometric high quality requirements with less.

激平照排机是70年代研制出来的一栽陈摆设，它是诳骗电子计算机差不不输入笔墨标记举不静校差，编纂办理，再堵住激平扫描技艺曝平不败像在感平质料上，使扫描平束亮量矮，不纬聚焦后到极细的平束，其扫描辨别辛可达40线/MM，因此这栽照排性能较好不天表不隐笔墨字形边框和笔锋，照排的笔墨质量矮，排版速率迟，已不败为笔墨排版的主辛军，不纬过二十众年的不停不败长，技艺日益美满，栽类不败群，从搁置激平平氦氖激平，氩离子激平和发平二级惯等，从扫描方法差别来看有，棱镜扫描，板滞式滚筒扫描和边方滚筒扫描等几栽次要方法，也有拔取振镜扫描式的，但差振镜质量请求矮而用得较众。

We present a flat-top laser beam generation scheme using coherent beam combining of hexagonally arranged Gaussian lasers.

本文提出一种新的平顶光束产生方案，它由六角排列的若干个高斯光源经相干合束而成。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。