The quantity in relation to the coupling efficiency of an optical fiber:lasing mode, divergence angle, numerical aperture, focal diameter and precision optical fiber coupler are discussed.
围绕光纤耦合效率相关的量：激光模式、发散角、数值孔径、焦斑直径、精密光纤耦合器等问题进行了讨论；
2
This results of numerical simulation establish the quantity connection of these factors, and provide foundation for ring upsetting.
该数值模拟结果对圆环镦粗时各种因素之间确定了量化的关系，对环形件镦粗提供了科学依据。
3
According to the ordering model with quantity discount under multiple-supplier, a method was proposed based on Genetic Algorithms, and model was illustrated using a numerical example.