Derivation of General Formula for Coupling Loss of Single-mode Fiber Collimators with Gradient-index Rod Lenses

被引：0

作者：

XIE Hu

机构：

来源：

Semiconductor Photonics and Technology | 2003年 / 04期

关键词：

Gradient-index rod lens; Single-mode fiber; Coupling loss; Collimator;

D O I：

暂无

中图分类号：

TN253 [光纤元件];

学科分类号：

0702 ; 070207 ;

摘要：

Gradient-index rod lens (GRIN-lens) whose pitch is ordinary value with bevel ferrule coupling system is analyzed, an equivalent method which can be used to analyze this system is put forward, and a general formula for determining the coupling loss with axes mismatch, radial mismatch, and angular mismatch is derived by use of the Gaussian field approximation and mode-field coupling theory. The experimental results are in good agreement with the theory prediction. It indicates that these formulas are suitable to analyze the gradient-index rod lens coupling system with pigtail fiber.

引用

页码：215 / 220

页数：6

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