Home / Standards / GB/T 28504.3-2021 GB/T 28504.3-2021 Active Rare earth doped optical fibre—Part 3: Characteristics of double-cladding erbium-ytterbium co-doped optical fibre 掺稀土光纤 第3部分:双包层铒镱共掺光纤特性 Standard Type GBT ICS 33.180.10 CCS M33 Status 现行 Issue Date 2021-10-11 Implementation 2022-05-01 Responsible Dept 工业和信息化部(通信) Drafting Unit N/A