IEC TR 61292-12:2022是一份技术报告，提供了使用多芯、少模、多芯和少模光纤的空分多路传输系统的光纤放大器的一般信息。本文件描述了这些放大器的分类、概念、配置和实现，以及最先进的开发技术、具体特征和测量方法。

IEC TR 61292-12:2022 which is a Technical Report, provides general information on optical fibre amplifiers for space division multiplexed transmission systems using multi-core, few-mode, and multi-core and few-mode optical fibres. This document describes the classification, concepts, configurations, and implementations of these amplifiers as well as state-of-the-art development technologies, specific features and measurement methods.