According to the results discussed above, an ideal dielectric filter can be acquired by changing the couplingaperture diameter.
讨论结果表明，可通过调整滤波器耦合槽直径的大小，得到理想性能的介质滤波器。
2
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；
3
It shows that, for the case of the same area, the energy coupling into the square aperture is smaller than that of into the rectangular ones.