Selffocusing rod is a kind of new optical material.
自聚焦棒是一种新型的光学材料。
2
The path equation of the light in selffocusing optical fibre is derived in this article. The essential of the selffocusing is clarified.
推导了自聚焦光导纤维中光线传播的路径方程，阐明了自聚焦作用的物理实质。
3
The system's output power has been limited and its cost of operation has been enhanced because of filament destroy caused by small-scale self-focusing.