介绍了一种低反射高效率的尖锥端光纤和半导体激光器的耦合技术。
A coupling technique between a cone endface fiber and LD with the advantage of high efficiency and low reflectance is presented.
建立了平端光纤与锥端微透镜光纤对耦合的理论模型,得到耦合系数的计算公式。
The coupling between butt fiber and cone lensed fiber is described in this paper. A theoretical model is presented and the formula of coupling efficiency is given.
单襟翼取代了原本双襟翼的设计,同时主体上方额外的翼端帆长度也增加,现在几乎要碰到鼻锥。
A single flap replaces the previous double design and the additional winglets over the main profile have increased in length, almost reaching the side of the nosecone.
关于短锥法兰式C型主轴端部与花盘等机床附件的联接定位问题,目前尚未有统一的解释和确切的结论。
There is no unified explanation and exact conclusion on connecting state between short conical flange type C- form spindle end and face plate.
并分析了缩径率、缩径凹模半锥角、摩擦系数、缩径管坯初始壁厚对管端翘曲和轴向伸长率的影响规律。
In addition, this paper presents how the diameter reducing rate, the die semicone angle, the friction coefficient and the original wall thickness influence the buckling and the axial elongation rate.
将大型汽轮发电机定子端部绕组及支承简化为连续锥壳-板组合结构。
The stator winding end baskets of large turbo-generator is simplified into a model of continuous conical shell-plate combined with structure.
双锥型变截面矩形钢管是指两端为锥型变截面、中间为等截面的组合矩形钢管构件。
Double-tapered rectangular steel tubes are composed of two tapered ends and a prismatic intermediate part.
双锥型变截面矩形钢管是指两端为锥型变截面、中间为等截面的组合矩形钢管构件。
Double-tapered rectangular steel tubes are composed of two tapered ends and a prismatic intermediate part.
应用推荐