Standard No.:	GB/T 28504.4-2025
English Name:	Rare earth doped optical fiber—Part 4: Characteristics of Erbium-doped optical fiber
Chinese Name:	掺稀土光纤 第4部分：掺饵光纤特性
Chinese Classification:	M33    Optical communication equipment
Professional Classification:	GB    National Standard
ICS Classification:	33.180.10 33.180.10    Fibres and cables 33.180.10
Source Content Issued by:	SAMR;SAC
Issued on:	2025-12-31
Implemented on:	2026-7-1
Status:	to be valid
Target Language:	English
File Format:	PDF

本文件规定了掺铒光纤的分类、几何尺寸、性能要求，描述了相应的测试方法。
本文件适用于光纤放大器、光纤激光器、自发辐射光源产品使用的掺铒光纤。