Traditional G.652 optical fiber has obvious water peak in the general regions of 1380nm, which means avoiding 1390nm-1430nm CWDM channels, like items #42937. But Zero Water Peak Fiber (ZWPF) ITU-G. 652.D and ITU-G G.657.A1 resolves water peak issues.2017年5月10日にC***yより発表された
