1、基于先进的3D激光直写手艺
Based on advanced 3D laser direct writing tech
2、高尺寸稳固性、热稳固性和化学稳固性
High dimensional, thermal and chemical stability
3、低传输消耗和耦合消耗，， ，，，，，纤到纤消耗≤0.5dB
Low transmission loss and coupling loss, fiber-to-fiber loss ≤ 0.5dB
4、圆形截面、巨细可控、兼容高阶模式
Circular cross-section, controllable size, compatible with high-order modes
