【摘要】 本文根据光线轨迹方程,讨论一种等折射率面为指数型变化的梯度折射率纤维透镜的成象特性。导出透镜的等效焦距,主面、焦面位置以及高斯成象公式。更多还原

【Abstract】 The imaging characteristics of a GRIN fiber lens with exponential variation of the constant-index surfaces are discussed based on the ray paths equations. The formulas for determining the equivalent focal length, principal planes, focal planes as well as the GRIN lens law are derived.更多还原