In the article, the optical coupling between the optical fibre and detector is stressed and the coupling scheme of a combined lens is designed and calculated concretely.
文中着重论述了光纤与探测器间的光耦合问题，并就一组合透镜耦合方案作了具体设计计算。
2
In the light of the soft-ness of fibre bunch, the detector and refrigerator module can be placed at a distance from universal hold-er by optical fibrecoupling technique.