In this paper starting from the ray path equations of a parabolic defocusing GRIN fiber lens with paraxial conditions, a equation to calculate the effective length of the fibre lens is derived.是什么意思_In this paper starting from the ray path equations of a parabolic defocusing GRIN fiber lens with paraxial conditions, a equation to calculate the effective length of the fibre lens is derived.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句