self-focusing optical fibre 自聚焦光觉纤维
focusing optical fibre
聚焦光纤
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The path equation of the light in self focusing optical fibre is derived in this article. The essential of the self focusing 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。
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