中文名称：子午光线 英文名称：meridian ray 定义：入射到子午面（包含椭球旋转轴的平面）的光线。 应用学科：光纤光学（一级学科）；应用光学（一级学科）
本文根据近轴子午光线方程，研究了自聚焦透镜光纤加速度计的工作原理；
Based on paraxial meridian-ray equation, the principle of fibre accelerometer using self-focussing lens is studied;
用非子午面光线追迹法，对单芯锥、套层锥以及双芯锥光纤和DH激光器的耦合效率，双芯锥的分光比做了数值计算。
The efficiency of coupling between DH lasers and tapered launchers with singlecore, clad-core and double core has been calculated by using skew ray tracing technique.
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