The above diffusing mechanism is explained from glass network structure and a realizable approach is suggested for minimizing the ion diffusion in the core and clad glass recipe design of rigid optical fiber element. 本文从玻璃网络结构观点解释了这一扩散机理,并就刚性光纤元器件芯、皮玻璃配方设计中如何使离子扩散减到最小程度提出了可行性措施。